# The Detail Department > Fact-checked "Did you know?" case files on history, tech, space, nature and more, by Marcus Easterling (DetailEnjoyer). Every fact has a stable ID (e.g. DD-006-F03) and links to its sources. Each case file is available as HTML and as a clean Markdown twin (index.md). Quick facts are self-contained sentences meant to be quoted with their ID and permalink. Machine-readable data: api/cases.json. All facts in one file: llms-full.txt. ## Case files - [Starry Eyed (DD-001)](https://detailenjoyer.com/case/starry-eyed/index.md): Asteroid hyalosis fills the eye's vitreous gel with hundreds of tiny yellow-white spheres ('asteroid bodies') made of calcium, phosphate and lipids. To an eye doctor they glitter… - [Probe IV (DD-002)](https://detailenjoyer.com/case/probe-iv/index.md): Ford's 1983 Probe IV concept car (built with Ghia) had a drag coefficient of about 0.15. - [Eukaryotic (DD-003)](https://detailenjoyer.com/case/eukaryotic/index.md): Your cells are packed with tiny organs: a tour of the specialized organelles inside every eukaryotic cell. - [Atomic Annie (DD-004)](https://detailenjoyer.com/case/atomic-annie/index.md): In the Grable test (May 25, 1953, Nevada), the 83-ton M65 Atomic Cannon fired the only nuclear artillery shell in history. - [Print Precision (DD-005)](https://detailenjoyer.com/case/print-precision/index.md): An inkjet printhead fires drops measured in picoliters, trillionths of a liter. Home printers go down to about 1–1.5 pL, and some lab heads go below 1. Thermal ('bubble jet')… - [CryoBranding (DD-006)](https://detailenjoyer.com/case/cryobranding/index.md): Some horses are branded with -196 °C cold instead of fire, and the hair grows back snow-white in the brand's shape. - [Gravity, or Lunavity? (DD-007)](https://detailenjoyer.com/case/lunavity/index.md): A University of Tokyo team built a 16-fan wearable drone that makes jumping feel like you're on the Moon. - [One Roof Town (DD-008)](https://detailenjoyer.com/case/whittier-one-roof/index.md): Most of Whittier, Alaska lives in a single 14-story building, and the only road into town is a tunnel that closes every night. - [Vertical Parking II (DD-009)](https://detailenjoyer.com/case/vertical-parking-ii/index.md): Giken's ECO Cycle is a robotic bike park buried in a cylinder under the pavement. Above ground there's only a small entrance booth. You push your bike onto a slot and press a… - [Bethlehem Steel (DD-010)](https://detailenjoyer.com/case/bethlehem-steel/index.md): Bethlehem Steel grew out of the Saucona Iron Company, founded in South Bethlehem, Pennsylvania, in 1857. It became Bethlehem Steel Company in 1899 and a corporation in 1904, and… - [EKV: Exoatmospheric Kill Vehicle (DD-011)](https://detailenjoyer.com/case/ekv/index.md): The Exoatmospheric Kill Vehicle (EKV) is the business end of America's Ground-based Midcourse Defense (GMD) system. A three-stage Ground-Based Interceptor rocket lofts it out of… - [Quantum Infrastructure (DD-012)](https://detailenjoyer.com/case/quantum-cryogenics/index.md): The gold 'chandelier' in photos of quantum computers is really a refrigerator. Superconducting qubits are so easily disturbed that the chip sits on the bottom plate of a dilution… - [Rapid Liquid Printing (RLP) (DD-013)](https://detailenjoyer.com/case/rapid-liquid-printing/index.md): RLP stands for Rapid Liquid Printing, a 3D-printing method developed at MIT's Self-Assembly Lab. Instead of stacking thin layers in air, a nozzle on a robot or CNC machine draws… - [Footstep Power (DD-014)](https://detailenjoyer.com/case/footstep-power/index.md): Starting in 2006, JR East tested a 'power-generating floor' at Tokyo Station's ticket gates. Piezoelectric discs inside the floor turn the pressure and vibration of passengers'… - [The Vault (DD-015)](https://detailenjoyer.com/case/the-vault/index.md): Vaults are giant, hollow, barrel-shaped particles made of protein and RNA. They're found in the cytoplasm of most eukaryotic cells, with about 10,000 in a typical human cell.… - [TeraFab (DD-016)](https://detailenjoyer.com/case/terafab/index.md): TeraFab is the AI-chip complex that SpaceX and Tesla plan to build in Grimes County, Texas. It would make, package and test logic and memory chips under one roof. Texas announced… - [Modern Mahjong (DD-017)](https://detailenjoyer.com/case/modern-mahjong/index.md): Automatic mahjong tables hide a rotating drum under the felt. Players push the used tiles in, and the machine shuffles them, uses magnets to turn each tile face-down, and stacks… - [Shrinking Circuits (DD-018)](https://detailenjoyer.com/case/shrinking-circuits/index.md): The first integrated circuits (1958–60) had just one to four transistors. Intel's 4004 microprocessor (1971) had 2,300 on a 12 mm² die built with a 10-micrometer process. Today a… - [Heavenly Lake (DD-019)](https://detailenjoyer.com/case/heavenly-lake/index.md): Namtso (Nam Co) in central Tibet sits 4,718 m (15,479 ft) above sea level, almost 3 miles up. It's often called the world's highest saltwater lake. Its Tibetan name means… - [Cherenkov Glow (DD-020)](https://detailenjoyer.com/case/cherenkov-glow/index.md): Cherenkov radiation is light given off when a charged particle moves through a medium like water faster than light travels in that medium, which in water is about 75% of its… - [Mobile Mortars (DD-021)](https://detailenjoyer.com/case/mobile-mortars/index.md): A mortar is a light, smoothbore tube that a small crew can carry and set up on a bipod and baseplate. A round dropped down the muzzle hits a fixed firing pin at the bottom, which… - [Ocean-3 (DD-022)](https://detailenjoyer.com/case/ocean-3/index.md): Ocean-3 is Panthalassa's series of wave-powered, floating AI computing nodes. Each one is an 85 m plate-steel structure shaped like a golf ball on a tee. As it bobs, seawater is… - [WHRGs 2026 (DD-023)](https://detailenjoyer.com/case/whrg-2026/index.md): The 2nd World Humanoid Robot Games ran Aug 22–26, 2026 at Beijing's National Speed Skating Oval, with 2,056 robots from 666 teams in 16 countries. That's about four times as many… - [Marangoni Motion (DD-024)](https://detailenjoyer.com/case/marangoni-motion/index.md): When surface tension varies across a liquid, the stronger-pulling (higher-tension) region drags the surface toward itself. Fluid then streams from low surface tension to high.… - [Sending EMALS (DD-025)](https://detailenjoyer.com/case/sending-emals/index.md): Carrier jets don't have room for a runway, so a catapult does the work. A shuttle in the deck hooks the launch bar on the jet's nose gear and drags the plane to flying speed in… - [Cannikin Quake (DD-026)](https://detailenjoyer.com/case/cannikin-quake/index.md): On November 6, 1971, the Atomic Energy Commission set off Cannikin 5,875 feet beneath Amchitka Island in Alaska's Aleutians. The test proved the W71 warhead for the Spartan… - [Water Forest Park (DD-027)](https://detailenjoyer.com/case/water-forest-park/index.md): At the north end of Qingshan Lake (Qingshanhu) in Hangzhou's Lin'an District, about 10,000 cypress trees stand with roughly two meters of their trunks underwater. The stand… - [The Chronicles of Georgia (DD-028)](https://detailenjoyer.com/case/chronicles-of-georgia/index.md): On Keeni Hill at the north edge of Tbilisi, above the Tbilisi Sea reservoir, stand 16 bronze-clad pillars 30 to 35 meters tall. Sculptor Zurab Tsereteli began the Chronicle of… - [Data Centers (DD-029)](https://detailenjoyer.com/case/data-centers/index.md): Data centers are the buildings where the internet physically lives: racks of servers, storage and network gear, plus the power and cooling plant that keeps them running around… - [The Flock (DD-030)](https://detailenjoyer.com/case/the-flock/index.md): Flock Safety, an Atlanta company, makes automated license plate reader (ALPR) cameras. Each one snaps still images of passing cars, using infrared at night. Machine learning… - [The Line (DD-031)](https://detailenjoyer.com/case/the-line/index.md): The Line was announced by Crown Prince Mohammed bin Salman in January 2021 as the centerpiece of NEOM in Saudi Arabia's Tabuk Province. It was pitched as two mirrored skyscrapers… - [Guizhou Solar (DD-032)](https://detailenjoyer.com/case/guizhou-solar/index.md): Guizhou, in southwest China, is a land of karst peaks. Its thin soils erode easily, leaving bare rock, a problem known as 'rocky desertification'. Since the 2010s the province… - [Offshore Oil (DD-033)](https://detailenjoyer.com/case/offshore-oil/index.md): Offshore oil and gas uses two kinds of structures. Fixed platforms are steel jackets pinned to the seabed with piles, compliant towers, and similar designs that sit over a field… - [Winter in Harbin (DD-034)](https://detailenjoyer.com/case/winter-in-harbin/index.md): Harbin, the 'Ice City' of China's northeast, began its modern ice festival on January 5, 1985. Its roots go back to a 1963 ice-lantern show and Qing-dynasty lanterns made from… - [Tilted Town (DD-035)](https://detailenjoyer.com/case/tilted-town/index.md): At Xenses, a Grupo Xcaret park just south of Playa del Carmen on Mexico's Riviera Maya, 'El Pueblo' (nicknamed the Pueblito al Revés, or Upside-Down Town) is a walk-through… - [Supersonic Striker (DD-036)](https://detailenjoyer.com/case/supersonic-striker/index.md): The B-1 began as the Mach 2 B-1A, which was canceled in 1977. It was revived in 1981 as the B-1B, a stealthier and heavier interim bomber, while the B-2 was delayed. Rockwell… - [Stellar Birth (DD-037)](https://detailenjoyer.com/case/stellar-birth/index.md): Stars are born in giant molecular clouds: cold (about 10 to 20 K), dusty clouds made mostly of molecular hydrogen, up to about 300 light-years across, and holding enough gas for… - [Solar Prominence (DD-038)](https://detailenjoyer.com/case/solar-prominence/index.md): A solar prominence is a huge loop of relatively cool, dense plasma (electrically charged hydrogen and helium) hanging in the sun's million-degree corona. Twisted magnetic fields… - [Solar Sailing (DD-039)](https://detailenjoyer.com/case/solar-sailing/index.md): Light has no mass but does carry momentum. When photons bounce off a mirror-like sail, they push it twice: once when they arrive and again when they reflect. The force (solar… - [Dipping Dipper (DD-040)](https://detailenjoyer.com/case/dipping-dipper/index.md): The white-throated dipper (Cinclus cinclus) is Britain's only aquatic songbird, and its family, the dippers (Cinclidae), are the only passerines that feed underwater. A dipper… - [The Caracal's Ear (DD-041)](https://detailenjoyer.com/case/the-caracals-ear/index.md): The caracal, a medium-sized wild cat of Africa, the Middle East and Central Asia, gets its name from the Turkish 'karakulak', meaning 'black ears'. Each tall, black-tufted ear is… - [The White Temple (DD-042)](https://detailenjoyer.com/case/the-white-temple/index.md): Wat Rong Khun, the White Temple, stands about 15 km south of Chiang Rai in northern Thailand. In 1997 the Chiang Rai artist Chalermchai Kositpipat set out to rebuild a run-down… - [Death Foam (DD-043)](https://detailenjoyer.com/case/death-foam/index.md): When highly pathogenic avian influenza or virulent Newcastle disease hits a commercial flock, U.S. policy aims to kill the infected birds on the farm within 24 to 48 hours to… - [Macrophagia (DD-044)](https://detailenjoyer.com/case/macrophagia/index.md): Macrophages ('big eaters') are immune cells found in every tissue. They recognize microbes in two ways: directly, through receptors for microbial surface patterns, or indirectly,… - [Orwellian (DD-045)](https://detailenjoyer.com/case/orwellian/index.md): George Orwell's ninth and final completed book, Nineteen Eighty-Four, came out from Secker & Warburg in London on June 8, 1949, and in the U.S. five days later. Orwell died seven… - [Coffin Homes (DD-046)](https://detailenjoyer.com/case/coffin-homes/index.md): Hong Kong's high housing costs have pushed about 220,000 people into roughly 110,000 subdivided units (SDUs). The median SDU in the 2021 census was 11 m², about 6 m² per person.… - [Mandelbulbs (DD-047)](https://detailenjoyer.com/case/mandelbulbs/index.md): The Mandelbrot set is drawn by repeatedly squaring a complex number and adding a constant, then coloring the points whose values never escape to infinity. Fractal hobbyists spent… - [XB-70 Valkyrie (DD-048)](https://detailenjoyer.com/case/xb-70-valkyrie/index.md): North American Aviation designed the B-70 in the late 1950s as a six-engine, delta-winged nuclear bomber that would cruise its whole mission at Mach 3 and about 70,000 feet, too… - [Dead Pools (DD-049)](https://detailenjoyer.com/case/dead-pools/index.md): Brine pools are lakes on the seafloor: pockets of brine so dense they don't mix with the seawater above, complete with shorelines and even waterfalls. They form where seawater… - [Airborne Wind Turbines (DD-050)](https://detailenjoyer.com/case/airborne-wind-turbines/index.md): The footage shows the helium-filled aerostats of Beijing-based SAWES Energy Technology (Linyi Yunchuan). The S1500 prototype flew at 1,500 m in Hami, Xinjiang, on September… - [Static Spray (DD-051)](https://detailenjoyer.com/case/static-spray/index.md): Powder coating is a 'dry paint'. Polymer resin, curatives, pigments and flow additives are melt-mixed, cooled and ground into a powder as fine as baking flour. In electrostatic… - [Nuclear Fireball (DD-052)](https://detailenjoyer.com/case/nuclear-fireball/index.md): A nuclear detonation heats the weapon's residues to several tens of millions of degrees. Within a millionth of a second they give off X-rays that the surrounding air absorbs… - [Branson (DD-053)](https://detailenjoyer.com/case/branson/index.md): Richard Branson, born July 18, 1950, started a mail-order record business in 1970 and launched the Virgin Records label in 1972. Virgin signed the Sex Pistols in 1977; the… - [Axisymmetry (DD-054)](https://detailenjoyer.com/case/axisymmetry/index.md): Modelers often assume the gas around a black hole looks the same at every angle around the spin axis. Quantities then depend only on distance and polar angle, and a 3D simulation… - [Danakil Depression (DD-055)](https://detailenjoyer.com/case/danakil-depression/index.md): The Danakil Depression in Ethiopia's Afar region lies mostly about 100 m below sea level, reaching around 124 m. It has a mean annual temperature of about 35 °C. The colorful… - [Crystal Jellies (DD-056)](https://detailenjoyer.com/case/crystal-jellies/index.md): Aequorea victoria, the crystal jelly, is a hydrozoan (a hydromedusa), not a true jellyfish. It lives from the Bering Sea to Baja California. In light-producing organs around its… - [Smart Plastics (DD-057)](https://detailenjoyer.com/case/smart-plastics/index.md): In October 2022, chemists Adrian Rylski and Zachariah Page at the University of Texas at Austin reported in Science a way to make one polymer that is hard in some places and soft… - [Neutron Spin (DD-058)](https://detailenjoyer.com/case/neutron-spin/index.md): Neutron stars are the collapsed cores left after massive stars explode as supernovae, an idea Walter Baade and Fritz Zwicky proposed in 1933. As the core shrinks to about the… - [Hypersonic Missiles (DD-059)](https://detailenjoyer.com/case/hypersonic-missiles/index.md): The Congressional Research Service defines hypersonic weapons as maneuvering weapons that fly at Mach 5 or faster, roughly a mile per second. They come in two types: glide… - [Alcubierre Drive (DD-060)](https://detailenjoyer.com/case/alcubierre-drive/index.md): In 1994, physicist Miguel Alcubierre showed that Einstein's general relativity allows a 'warp bubble': spacetime contracts ahead of a ship and expands behind it, so the ship can… - [Self-Made Modular (DD-061)](https://detailenjoyer.com/case/self-made-modular/index.md): Self-reconfigurable modular robots are machines built from many units that can rearrange how they connect, to change shape for new tasks or to repair themselves. The idea of… - [Karp (DD-062)](https://detailenjoyer.com/case/karp/index.md): Alex Karp studied at Haverford College and Stanford Law School, where he met Peter Thiel, and earned a doctorate from Goethe University Frankfurt. Palantir was founded in 2003,… - [Foreverest (DD-063)](https://detailenjoyer.com/case/foreverest/index.md): More than 300 people have died in the Everest region in a century of climbing, and more than 200 bodies are thought to remain on the mountain. Above about 8,000 m, the so-called… - [Guttation (DD-064)](https://detailenjoyer.com/case/guttation/index.md): Guttation, the release of liquid droplets, is common across the fungal kingdom. How much a fungus produces depends heavily on conditions such as the growth medium and… - [The Shah (DD-065)](https://detailenjoyer.com/case/the-shah/index.md): Mohammad Reza Pahlavi was born in Tehran on Oct. 26, 1919. He became shah on Sept. 16, 1941, after British and Soviet forces occupied Iran and his father, Reza Shah, abdicated.… - [Nature's Reclamation (DD-066)](https://detailenjoyer.com/case/natures-reclamation/index.md): The Reel retells a famous thought experiment popularized by journalist Alan Weisman's 2007 book The World Without Us. In his version of New York, the first big change comes… - [Photon Film (DD-067)](https://detailenjoyer.com/case/photon-film/index.md): In 2020, Edoardo Charbon's AQUA lab at EPFL and Canon unveiled MegaX, the first megapixel camera built from single-photon avalanche diodes (SPADs), pixels sensitive enough to… - [Nic Mad (DD-068)](https://detailenjoyer.com/case/nic-mad/index.md): Nicolás Maduro, born Nov. 23, 1962, in Caracas, worked as a bus driver and transit-union representative before entering politics alongside Hugo Chávez. He served in the… - [Ellison (DD-069)](https://detailenjoyer.com/case/ellison/index.md): Larry Ellison was born in New York City in 1944 and adopted as a baby by relatives in Chicago. He left the University of Illinois and later the University of Chicago without a… - [Gas Blasting (DD-070)](https://detailenjoyer.com/case/gas-blasting/index.md): Carbon dioxide blasting was conceived around 1924–25 by three southern Illinois coal men, a chemist, an electrical engineer and a mine operator. They wanted a non-explosive way… - [Water Table Troubles (DD-071)](https://detailenjoyer.com/case/water-table-troubles/index.md): When pumping outpaces recharge, groundwater levels fall. The U.S. Geological Survey calls this groundwater depletion; effects include higher pumping costs, worse water quality,… - [Piston Pumps (DD-072)](https://detailenjoyer.com/case/piston-pumps/index.md): A piston diaphragm (membrane) pump is a reciprocating positive-displacement pump. In most designs a crank-driven piston doesn't push the diaphragm directly: it moves a sealed… - [Liquid Lights (DD-073)](https://detailenjoyer.com/case/liquid-lights/index.md): A liquid's electrical conductivity depends on how many ions it holds and how fast they move. Perfectly pure water isn't ion-free: it splits slightly into hydrogen and hydroxide… - [Grass Skiing (DD-074)](https://detailenjoyer.com/case/grass-skiing/index.md): Grass skiing was invented in Germany by Josef Kaiser of Geislingen an der Steige; sources date it between 1960 and 1966. It began as summer training for alpine skiers. Grass skis… - [Torque Conversion (DD-075)](https://detailenjoyer.com/case/torque-conversion/index.md): A torque converter sits between the engine and an automatic transmission and lets the car idle in gear without stalling. The engine-driven impeller (pump) flings automatic… - [Ali Khamenei (DD-076)](https://detailenjoyer.com/case/ali-khamenei/index.md): Ali Khamenei was born on April 19, 1939, in Mashhad and studied at the seminary in Qom, including under Ruhollah Khomeini. From 1963 he took part in protests against the monarchy… - [Chimera (DD-077)](https://detailenjoyer.com/case/chimera/index.md): In Greek mythology, the Chimera was a fire-breathing monster from Lycia. Homer's Iliad describes it as a lion in front, a serpent behind and a goat in the middle; later art shows… - [Performing Emperor (DD-078)](https://detailenjoyer.com/case/performing-emperor/index.md): The Roman emperor Nero, who ruled from 54 to 68 AD, saw himself as an artist and performed publicly as a singer, lyre player and actor, which many in Rome's elite found shameful.… - [The Bermuda Triangle (DD-079)](https://detailenjoyer.com/case/the-bermuda-triangle/index.md): The Bermuda Triangle, also called the Devil's Triangle, is a loosely defined area of the western North Atlantic roughly bounded by Miami, Bermuda and Puerto Rico. It became… - [Entanglement (DD-080)](https://detailenjoyer.com/case/entanglement/index.md): In quantum mechanics, entangled particles share a single quantum state, so measurements on them are correlated no matter how far apart they are. The correlations appear… - [ArisTutor (DD-081)](https://detailenjoyer.com/case/aristutor/index.md): Around 343 BC, King Philip II of Macedon hired the philosopher Aristotle to teach his son Alexander, then about 13. Lessons were held at Mieza and covered subjects such as… - [BioInspired Robots (DD-082)](https://detailenjoyer.com/case/bioinspired-robots/index.md): Bioinspired robotics designs machines that copy how animals move and sense. Engineers have built flapping-wing drones modeled on insects and birds, robots that climb like geckos,… - [The Atomic Gun (DD-083)](https://detailenjoyer.com/case/the-atomic-gun/index.md): The Davy Crockett was a U.S. tactical nuclear weapon system of the Cold War: a recoilless rifle that fired the M388 nuclear projectile. Its W54 warhead had a yield of roughly 10… - [Tenzing on Top (DD-084)](https://detailenjoyer.com/case/tenzing-on-top/index.md): Tenzing Norgay, a Sherpa mountaineer, and New Zealander Edmund Hillary became the first people confirmed to reach the summit of Mount Everest on May 29, 1953, as part of a… - [Deadliest Tornado in History (DD-085)](https://detailenjoyer.com/case/deadliest-tornado-in-history/index.md): The Tri-State Tornado of March 18, 1925, crossed Missouri, Illinois and Indiana and killed 695 people, making it the deadliest tornado in U.S. history. Its track was long… - [Geodes (DD-086)](https://detailenjoyer.com/case/geodes/index.md): Geodes are hollow rocks lined with crystals. They begin as cavities in volcanic or sedimentary rock, such as gas bubbles in lava. Mineral-rich groundwater seeps in and slowly… - [Nebula (DD-087)](https://detailenjoyer.com/case/nebula/index.md): Nebulae are huge clouds of gas and dust in space. Types include emission nebulae, which glow; reflection nebulae, which scatter starlight; and dark nebulae, which block light… - [Hummingbird (DD-088)](https://detailenjoyer.com/case/hummingbird/index.md): Hummingbirds are among the smallest birds and have one of the highest metabolic rates of any animal. Their wings beat about 10 to 80 times a second depending on species, and they… - [Event Horizon (DD-089)](https://detailenjoyer.com/case/event-horizon/index.md): A black hole's event horizon is the boundary beyond which nothing, not even light, can escape. Anything that crosses it moves inevitably toward the center, where general… - [Fireflies (DD-090)](https://detailenjoyer.com/case/fireflies/index.md): Fireflies, also called lightning bugs, are beetles that produce light in their abdomens. The light comes from a reaction in which the enzyme luciferase acts on a compound called… - [Coronal Mass Ejection (DD-091)](https://detailenjoyer.com/case/coronal-mass-ejection/index.md): A coronal mass ejection (CME) is a large expulsion of plasma and magnetic field from the Sun's corona. According to NOAA's Space Weather Prediction Center, a CME can eject… - [The Great Pyramid (DD-092)](https://detailenjoyer.com/case/the-great-pyramid/index.md): The Great Pyramid of Giza was built for the Fourth Dynasty pharaoh Khufu in the 26th century BC. It is the oldest of the Seven Wonders of the Ancient World and the only one still… - [Rosalind (DD-093)](https://detailenjoyer.com/case/rosalind/index.md): Rosalind Franklin (1920-1958) was a British chemist and X-ray crystallographer. She worked on the structures of DNA, RNA, viruses, coal and graphite. Photo 51, an X-ray… - [Hanging Gardens (DD-094)](https://detailenjoyer.com/case/hanging-gardens/index.md): The Hanging Gardens of Babylon are the only one of the Seven Wonders of the Ancient World whose location has never been established. Classical Greek and Roman writers describe… - [Ada All-Time (DD-095)](https://detailenjoyer.com/case/ada-all-time/index.md): Ada Lovelace (1815-1852) was an English mathematician who worked with Charles Babbage on his proposed Analytical Engine, a mechanical general-purpose computer. In 1843 she… - [Zeus @ Olympia (DD-096)](https://detailenjoyer.com/case/zeus-at-olympia/index.md): The Statue of Zeus at Olympia was a giant seated figure, about 12.4 m tall, made by the Greek sculptor Phidias around 435 BC for the Temple of Zeus at Olympia. It was… - [PoisOrVen? (DD-097)](https://detailenjoyer.com/case/poisorven/index.md): Poison and venom are both toxins, but they're delivered differently. Venom is injected through a bite, sting or spine, as when a snake uses its fangs. A poison works when it's… - [Temple of Artemis (DD-098)](https://detailenjoyer.com/case/temple-of-artemis/index.md): The Temple of Artemis at Ephesus, near modern Selçuk in Turkey, was rebuilt several times. The great marble temple funded in part by Croesus of Lydia, begun around 550 BC, was… - [Cleo (DD-099)](https://detailenjoyer.com/case/cleo/index.md): Cleopatra VII (69-30 BC) was the last active ruler of the Ptolemaic Kingdom of Egypt. Her dynasty descended from Ptolemy I, a Macedonian Greek general, and her first language was… - [Mausoleum at Halicarnassus (DD-100)](https://detailenjoyer.com/case/mausoleum-at-halicarnassus/index.md): The Mausoleum at Halicarnassus (modern Bodrum, Turkey) was a tomb about 45 m high, completed around 351 BC. It was built for Mausolus, a satrap of Caria under the Persian… - [Lucky Stripe (DD-101)](https://detailenjoyer.com/case/lucky-stripe/index.md): Why zebras are striped has been debated since Darwin and Wallace. The best-supported explanation today is protection against biting flies such as horse flies (tabanids), which… - [Colossus of Rhodes (DD-102)](https://detailenjoyer.com/case/colossus-of-rhodes/index.md): The Colossus of Rhodes was a bronze statue of the sun god Helios, about 33 m (108 ft) tall, built by Chares of Lindos to celebrate Rhodes surviving a siege in 305-304 BC.… - [Last of Ants (DD-103)](https://detailenjoyer.com/case/last-of-ants/index.md): Ophiocordyceps unilateralis is a parasitic fungus, now treated as a species complex, that infects carpenter ants in tropical forests. An infected ant leaves its colony, climbs… - [Lighthouse of Alexandria (DD-104)](https://detailenjoyer.com/case/lighthouse-of-alexandria/index.md): The Lighthouse of Alexandria, often called the Pharos, was built on the island of Pharos at Alexandria during the reign of Ptolemy II, completed around 280 BC. Estimates put its… - [The Red Forest (DD-105)](https://detailenjoyer.com/case/the-red-forest/index.md): The Red Forest is the roughly 10 km² (4 sq mi) area of woodland around the Chernobyl Nuclear Power Plant in the Exclusion Zone, in Polesia in The Ukraine. After reactor 4… - [Quasi-Stellar (DD-106)](https://detailenjoyer.com/case/quasi-stellar/index.md): A quasar is an extremely luminous active galactic nucleus: a supermassive black hole at the center of a galaxy surrounded by a gaseous accretion disk. As gas falls toward the… - [Martha (DD-107)](https://detailenjoyer.com/case/martha/index.md): Martha Dandridge Custis Washington (1731-1802) was the wife of George Washington and the first first lady of the United States. Her biography on Wikipedia notes she took to… - [Jack (DD-108)](https://detailenjoyer.com/case/jack/index.md): Jack the Ripper is the name given to an unidentified serial killer active in and around the Whitechapel district of London in 1888. Five victims, Mary Ann Nichols, Annie Chapman,… - [Now You Know Rocket League (DD-109)](https://detailenjoyer.com/case/now-you-know-rocket-league/index.md): In this talking-head Reel I talk about my own history with Rocket League: playing since undergrad, an estimated 6,000 hours, and why its learning curve hooked me. Every movement… - [Now You Know Anime (DD-110)](https://detailenjoyer.com/case/now-you-know-anime/index.md): In this Reel the presenter, speaking to camera, runs through favorite Japanese animated series: Naruto, about an outcast ninja who dreams of leading his village; One Punch Man,… - [The Great Wall (DD-111)](https://detailenjoyer.com/case/the-great-wall/index.md): The Great Wall of China is a series of fortifications built across northern China over roughly two millennia, from the 7th century BC through the Ming dynasty, to guard against… - [Tigers (DD-112)](https://detailenjoyer.com/case/tigers/index.md): Tigers (Panthera tigris) have stripe patterns unique to each animal, so researchers can identify individuals from photographs. Camera-trap surveys use this to estimate how many… - [Plasma (DD-113)](https://detailenjoyer.com/case/plasma/index.md): Plasma is often called the fourth state of matter, after solid, liquid and gas. It forms when a gas is energized enough, by heat or a strong electric field, that electrons are… - [Petra (DD-114)](https://detailenjoyer.com/case/petra/index.md): Petra, in southern Jordan, was the capital of the Nabataean kingdom, known for its rock-cut facades and water-conduit system. It remained known to local Bedouin, but was largely… - [Emperor Penguins (DD-115)](https://detailenjoyer.com/case/emperor-penguins/index.md): Emperor penguins (Aptenodytes forsteri) breed during the Antarctic winter, when temperatures can fall below -40 °C, which is also -40 °F. The female lays a single egg and passes… - [Christ the Redeemer (DD-116)](https://detailenjoyer.com/case/christ-the-redeemer/index.md): Christ the Redeemer is an Art Deco statue of Jesus Christ on Corcovado mountain in Rio de Janeiro, Brazil. It was designed by French sculptor Paul Landowski and Brazilian… - [Blackbird (DD-117)](https://detailenjoyer.com/case/blackbird/index.md): The Lockheed SR-71 'Blackbird' is a retired long-range, high-altitude, Mach 3+ strategic reconnaissance aircraft developed in the 1960s by Lockheed's Skunk Works from the earlier… - [Machu Picchu (DD-118)](https://detailenjoyer.com/case/machu-picchu/index.md): Machu Picchu is a 15th-century Inca citadel on a mountain ridge above the Urubamba valley in Peru. Most archaeologists think it was built as an estate for the Inca emperor… - [Polar (DD-119)](https://detailenjoyer.com/case/polar/index.md): Polar bears (Ursus maritimus) are strong swimmers and are classed as marine mammals because they spend much of their lives on sea ice and in the sea. Their name means 'maritime… - [Chichen Itza (DD-120)](https://detailenjoyer.com/case/chichen-itza/index.md): Chichen Itza is a large pre-Columbian Maya city on Mexico's Yucatán Peninsula and a UNESCO World Heritage Site since 1988. Its central pyramid, the Temple of Kukulcán, also… - [The Colosseum (DD-121)](https://detailenjoyer.com/case/the-colosseum/index.md): The Colosseum (Flavian Amphitheatre) in Rome was completed in AD 80 under Emperor Titus and could hold tens of thousands of spectators for gladiator fights and animal hunts. It… - [Starfish (DD-122)](https://detailenjoyer.com/case/starfish/index.md): Sea stars, often called starfish, are echinoderms, related to sea urchins and sand dollars, not fish. Many can regrow lost arms, a process that can take months to a year or more.… - [Taj Mahal (DD-123)](https://detailenjoyer.com/case/taj-mahal/index.md): The Taj Mahal in Agra, India, is a white marble mausoleum that Mughal emperor Shah Jahan built for his wife Mumtaz Mahal; construction ran from about 1631 to 1653. Its polished… - [Eagles (DD-124)](https://detailenjoyer.com/case/eagles/index.md): Eagles have large eyes with densely packed photoreceptors and deep foveae, which let them resolve fine detail at a distance. Behavioral studies show some large-eyed raptors, such… - [Pluto (DD-125)](https://detailenjoyer.com/case/pluto/index.md): Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory, and it was counted as the ninth planet until August 24, 2006, when the International Astronomical Union defined… - [Neptune (DD-126)](https://detailenjoyer.com/case/neptune/index.md): Neptune, the eighth planet, has the strongest sustained winds measured on any planet in the solar system, up to about 2,100 km/h (around 1,300 mph). When Voyager 2 flew past in… - [Uranus (DD-127)](https://detailenjoyer.com/case/uranus/index.md): Uranus, the seventh planet from the Sun, is an ice giant whose rotation axis is tilted about 98 degrees (97.77°) relative to its orbit, so it essentially spins on its side. Over… - [Saturn (DD-128)](https://detailenjoyer.com/case/saturn/index.md): The Cassini Division is a roughly 4,800 km wide region between Saturn's A and B rings, discovered by Giovanni Domenico Cassini in 1675. It looks empty from Earth but contains… - [Jupiter (DD-129)](https://detailenjoyer.com/case/jupiter/index.md): The Great Red Spot is a giant anticyclone in Jupiter's southern hemisphere, wider than Earth though it has been shrinking. It has been observed continuously since 1878, with… - [Mars (DD-130)](https://detailenjoyer.com/case/mars/index.md): Olympus Mons on Mars is a huge shield volcano, among the tallest known in the solar system. Its summit stands about 21.9 km (72,000 ft) above the Martian datum, roughly 2.5 times… - [Earth (DD-131)](https://detailenjoyer.com/case/earth/index.md): Earth is not a perfect sphere but an oblate spheroid: its rotation flattens it at the poles and makes it bulge at the equator. The equatorial diameter is about 43 km greater than… - [Venus (DD-132)](https://detailenjoyer.com/case/venus/index.md): Venus rotates in the opposite direction to most planets, a retrograde rotation, so the Sun would rise in the west. It is also the slowest-spinning major planet: one rotation… - [Mercury (DD-133)](https://detailenjoyer.com/case/mercury/index.md): Mercury, the closest planet to the Sun, has almost no atmosphere (only a thin exosphere) to trap heat. Its daytime surface reaches about 430 °C (800 °F), hot enough to melt lead,… - [Kings of the Jungle (DD-134)](https://detailenjoyer.com/case/kings-of-the-jungle/index.md): Lions (Panthera leo) are the most social wild cats, living in prides of related females, their cubs and a coalition of one or more adult males. Females do most of the hunting,… - [Graceful Giants (DD-135)](https://detailenjoyer.com/case/graceful-giants/index.md): Giraffes (Giraffa) have seven cervical vertebrae, the same number as almost all mammals, including humans; each is greatly elongated. Their patchy coat patterns differ between… - [Fast Cats (DD-136)](https://detailenjoyer.com/case/fast-cats/index.md): The cheetah (Acinonyx jubatus) is the fastest land animal, reaching about 93-104 km/h (58-65 mph) in short sprints, and it accelerates quickly. It hunts in brief chases rather… - [River Roamers (DD-137)](https://detailenjoyer.com/case/river-roamers/index.md): Hippopotamuses (Hippopotamus amphibius) secrete a red-to-orange fluid sometimes called 'blood sweat'. It's neither: it contains pigments, hipposudoric and norhipposudoric acid,… - [African Gazelles (DD-138)](https://detailenjoyer.com/case/african-gazelles/index.md): The impala (Aepyceros melampus) is a medium-sized antelope of eastern and southern Africa. It has a reddish-brown coat, and only males carry the lyre-shaped horns. Females and… - [Suricata Suricatta (DD-139)](https://detailenjoyer.com/case/suricata-suricatta/index.md): The meerkat (Suricata suricatta) is a small mongoose of southern Africa's arid regions. Meerkats live in groups called mobs, gangs or clans, typically of 20 to 30 members and up… - [Elephants (DD-140)](https://detailenjoyer.com/case/elephants/index.md): Elephants are the largest living land animals, with three living species: the African bush elephant, the African forest elephant and the Asian elephant. Females and young live in… - [Scaly Anteaters (DD-141)](https://detailenjoyer.com/case/scaly-anteaters/index.md): Pangolins are mammals of the order Pholidota, covered in overlapping scales made of keratin. There are eight living species, four in Africa and four in Asia. They are mostly… - [Rhinos (DD-142)](https://detailenjoyer.com/case/rhinos/index.md): There are five living rhinoceros species: white and black in Africa, and Indian (greater one-horned), Javan and Sumatran in Asia. The white rhino is one of the largest land… - [Jellies (DD-143)](https://detailenjoyer.com/case/jellies/index.md): Jellyfish are the free-swimming medusa stage of certain cnidarians. They move by contracting their bell-shaped bodies, which pushes water out and drives them forward; many… - [Humpback Whales (DD-144)](https://detailenjoyer.com/case/humpback-whales/index.md): The humpback whale (Megaptera novaeangliae) is a baleen whale known for its songs, which are sung by males. A song is built from repeated themes, usually lasting about 10 to 20… - [Dolphins (DD-145)](https://detailenjoyer.com/case/dolphins/index.md): Dolphins breathe voluntarily, so they can't fully lose consciousness for long. Instead they use unihemispheric slow-wave sleep, in which one half of the brain sleeps while the… - [King Tiger (DD-146)](https://detailenjoyer.com/case/king-tiger/index.md): The Tiger II, nicknamed 'King Tiger' by Allied soldiers, was a German heavy tank of the Second World War, used in combat from 1944 to 1945. It weighed about 68 to 70 tonnes and… - [Destroyer (DD-147)](https://detailenjoyer.com/case/destroyer/index.md): The Arleigh Burke class is a class of guided-missile destroyers in the US Navy. The lead ship, USS Arleigh Burke (DDG-51), was commissioned in 1991, and more than 70 have been… - [Typhoon (DD-148)](https://detailenjoyer.com/case/typhoon/index.md): The Eurofighter Typhoon is a twin-engine multirole fighter built by a consortium of Airbus, BAE Systems and Leonardo. It first flew in 1994 and entered service in 2003. It uses a… - [Subs (DD-149)](https://detailenjoyer.com/case/subs/index.md): A submarine controls its buoyancy with ballast tanks. Flooding the main ballast tanks with seawater makes the boat heavier than the water it displaces, so it submerges; blowing… - [Helo (DD-150)](https://detailenjoyer.com/case/helo/index.md): Military helicopters fill many roles, including troop transport, reconnaissance, search and rescue, medical evacuation and close air support, because they can hover and land… - [Railguns (DD-151)](https://detailenjoyer.com/case/railguns/index.md): A railgun is an electromagnetic launcher. A very large electric current runs up one rail, through a conductive projectile or armature, and back down the other rail; the magnetic… - [SAMs (DD-152)](https://detailenjoyer.com/case/sams/index.md): A surface-to-air missile (SAM) is launched from the ground or a ship to destroy aircraft, helicopters, drones or other missiles. Guidance varies: some SAMs ride a radar beam or… - [Iguazu (DD-153)](https://detailenjoyer.com/case/iguazu/index.md): Iguazu Falls are waterfalls on the Iguazu River, on the border between Argentina's Misiones Province and Brazil's Paraná state. The system is made up of about 275 individual… - [Cloud Envy (DD-154)](https://detailenjoyer.com/case/cloud-envy/index.md): Lenticular clouds are stationary, lens-shaped clouds. They form when stable, moist air flows over a mountain or other obstacle and sets up a series of atmospheric waves downwind.… - [Fire Works (DD-155)](https://detailenjoyer.com/case/fire-works/index.md): Heating certain metals in a flame gives off light of characteristic colors, which is the basis of the flame test in chemistry. Firework makers use metal salts for color:… - [Eiffel (DD-156)](https://detailenjoyer.com/case/eiffel/index.md): The Eiffel Tower is a wrought-iron lattice tower on the Champ de Mars in Paris, built by Gustave Eiffel's company as the entrance arch to the 1889 World's Fair. During… - [Empire State (DD-157)](https://detailenjoyer.com/case/empire-state/index.md): The Empire State Building is a 102-story Art Deco skyscraper in Midtown Manhattan, New York City. Designed by Shreve, Lamb & Harmon, with William F. Lamb as chief designer, it… - [Burj Khalifa (DD-158)](https://detailenjoyer.com/case/burj-khalifa/index.md): The Burj Khalifa in Dubai, United Arab Emirates, is the world's tallest building at 828 m (2,717 ft). It was designed by Adrian Smith while at Skidmore, Owings & Merrill (SOM),… - [Panda Panda Panda (DD-159)](https://detailenjoyer.com/case/panda-panda-panda/index.md): The giant panda (Ailuropoda melanoleuca) is a bear native to the mountains of central China. Bamboo makes up more than 99% of its diet. A panda grips bamboo with a… - [These Cats Are Climbing (DD-160)](https://detailenjoyer.com/case/these-cats-are-climbing/index.md): The leopard (Panthera pardus) is a big cat with a pale yellow to golden coat marked by dark rosettes. It has the widest range of any wild cat, across much of sub-Saharan Africa… - [Golden Monkeys (DD-161)](https://detailenjoyer.com/case/golden-monkeys/index.md): The golden snub-nosed monkey (Rhinopithecus roxellana) is an Old World monkey of the mountain forests of central and southwest China. It has golden-orange fur, a pale blue face… - [Sea Cows (DD-162)](https://detailenjoyer.com/case/sea-cows/index.md): The dugong (Dugong dugon) is a marine mammal related to manatees; together they form the order Sirenia, often called sea cows. Dugongs live in warm coastal waters from East… - [King Cobra (DD-163)](https://detailenjoyer.com/case/king-cobra/index.md): The king cobra (Ophiophagus hannah) is the world's longest venomous snake, reaching about 5.5 m, with a record of about 5.85 m. It lives in forests from India through Southeast… - [Turning Red (DD-164)](https://detailenjoyer.com/case/turning-red/index.md): The red panda (Ailurus fulgens) is a small mammal of the eastern Himalayas and southwestern China, including Nepal, Bhutan, India and Myanmar. It's the only living member of its… - [Shine Bright (DD-165)](https://detailenjoyer.com/case/shine-bright/index.md): Diamond is carbon with its atoms arranged in a cubic crystal lattice. Most natural diamonds formed about 150 to 250 km deep in Earth's mantle, under high pressure and… - [Azure Asterism (DD-166)](https://detailenjoyer.com/case/azure-asterism/index.md): Sapphire is gem corundum, aluminum oxide, in any color except red, which is called ruby. Blue sapphire gets its color from iron and titanium, and sapphires also come in pink,… - [Ruby Red (DD-167)](https://detailenjoyer.com/case/ruby-red/index.md): Ruby is the red gem variety of corundum, crystalline aluminum oxide. Its color comes from small amounts of chromium; corundum in other colors is called sapphire. Color is the… - [Quartz Crystals (DD-168)](https://detailenjoyer.com/case/quartz-crystals/index.md): Quartz is silicon dioxide (SiO2) and one of the most common minerals in Earth's continental crust. It forms hexagonal crystals and comes in many varieties; clear, colorless… - [Opulent Opal (DD-169)](https://detailenjoyer.com/case/opulent-opal/index.md): Opal is hydrated amorphous silica. Precious opal shows play-of-color, flashes of spectral color that shift with the viewing angle, while common opal doesn't. The effect comes… - [Exceptionally Emerald! (DD-170)](https://detailenjoyer.com/case/exceptionally-emerald/index.md): Emerald is the green variety of the mineral beryl, colored by traces of chromium and sometimes vanadium. Its name comes, via Old French and Latin, from the Greek smaragdos,… - [Feeling Rosy (DD-171)](https://detailenjoyer.com/case/feeling-rosy/index.md): Roses belong to the genus Rosa in the family Rosaceae, with over 300 species and tens of thousands of cultivars. Most species are native to Asia, with smaller numbers from… - [Sun Seekers (DD-172)](https://detailenjoyer.com/case/sun-seekers/index.md): Young sunflower plants (Helianthus annuus) show heliotropism: before the flower heads open, the buds turn to follow the Sun from east to west during the day and swing back to… - [Sakura (DD-173)](https://detailenjoyer.com/case/sakura/index.md): Cherry blossoms, sakura in Japanese, are the flowers of several Prunus species. In Japan they bloom briefly in spring, and their timing depends mainly on temperature, so warm… - [Busy Busy Bees (DD-174)](https://detailenjoyer.com/case/busy-busy-bees/index.md): Honey bees use the waggle dance to tell nestmates where to find food, water or new nest sites. A returning forager runs a figure-eight on the comb; the angle of the straight… - [Nectar Collectors (DD-175)](https://detailenjoyer.com/case/nectar-collectors/index.md): Butterflies have taste receptors on their palps and feet, and the tips of their antennae carry receptors that detect odors. By landing on a leaf and touching it with their feet,… - [Your Favorite Beetle (DD-176)](https://detailenjoyer.com/case/your-favorite-beetle/index.md): Ladybugs, or ladybirds, are small beetles of the family Coccinellidae, with about 6,000 species. Many are brightly colored and spotted, which warns predators that they taste bad.… - [Amazing Bear Ability (DD-177)](https://detailenjoyer.com/case/amazing-bear-ability/index.md): Bears have one of the keenest senses of smell of any land mammal. Their large nasal cavities hold a huge surface of scent-detecting tissue. The US National Park Service says a… - [Shear Delight (DD-178)](https://detailenjoyer.com/case/shear-delight/index.md): Sheep (Ovis aries) are social flock animals. In a 2001 study, researchers at the Babraham Institute in Cambridge found that sheep could recognize the faces of about 50 other… - [Based Bunnies (DD-179)](https://detailenjoyer.com/case/based-bunnies/index.md): Rabbits are small mammals in the family Leporidae, together with hares. They have long ears, strong hind legs and short, fluffy tails. Rabbits are herbivores that eat mostly… - [The Prancing Horse (DD-180)](https://detailenjoyer.com/case/the-prancing-horse/index.md): Ferrari is an Italian sports car maker based in Maranello. Enzo Ferrari, who had run Alfa Romeo's racing team, founded Auto Avio Costruzioni in 1939; the first car bearing the… - [Lamborghini (DD-181)](https://detailenjoyer.com/case/lamborghini/index.md): Automobili Lamborghini was founded in 1963 by Ferruccio Lamborghini, who had made his fortune building tractors, to compete with established grand touring brands such as Ferrari.… - [Hypercar Luxury (DD-182)](https://detailenjoyer.com/case/hypercar-luxury/index.md): Bugatti was founded in 1909 by the Italian-born Ettore Bugatti in Molsheim, Alsace, then part of the German Empire and part of France since 1919. Its pre-war cars won many races,… - [Spirit of Ecstasy (DD-183)](https://detailenjoyer.com/case/spirit-of-ecstasy/index.md): Rolls-Royce Limited was founded in 1906 by Charles Rolls and Henry Royce in Britain. It built luxury cars and, from the First World War, aircraft engines. In 1971 the company… - [Pagani Automobili (DD-184)](https://detailenjoyer.com/case/pagani-automobili/index.md): Pagani Automobili is an Italian maker of hypercars, founded in 1992 by the Argentine-born Horacio Pagani in San Cesario sul Panaro, near Modena. Pagani had worked at Lamborghini,… - [McLaren Automotive (DD-185)](https://detailenjoyer.com/case/mclaren-automotive/index.md): McLaren began in 1963 when New Zealand driver Bruce McLaren founded Bruce McLaren Motor Racing, which entered Formula One in 1966. Bruce McLaren died in a testing crash in 1970,… - [Money Isn't Real? (DD-186)](https://detailenjoyer.com/case/money-isnt-real/index.md): Fiat money is currency that isn't backed by a physical commodity such as gold or silver. Its value comes from government decree, its status as legal tender, and people's trust in… - [Fair & Efficient Markets (DD-187)](https://detailenjoyer.com/case/fair-efficient-markets/index.md): The US Securities and Exchange Commission (SEC) was created by the Securities Exchange Act of 1934, after the 1929 stock market crash and during the Great Depression. Its stated… - [Future of Finance (DD-188)](https://detailenjoyer.com/case/future-of-finance/index.md): A cryptocurrency is a digital currency that uses cryptography to secure transactions and usually runs on a decentralized ledger called a blockchain rather than through a central… - [Serving Great White (DD-189)](https://detailenjoyer.com/case/serving-great-white/index.md): The great white shark (Carcharodon carcharias) is a large predatory shark found in coastal waters worldwide. Off places such as South Africa's False Bay, great whites ambush Cape… - [Largest Crabs on Earth! (DD-190)](https://detailenjoyer.com/case/largest-crabs-on-earth/index.md): Spider crabs are crabs of the superfamily Majoidea, named for their long, thin legs. The Japanese spider crab (Macrocheira kaempferi) has the largest leg span of any arthropod,… - [Seahorse Secrets (DD-191)](https://detailenjoyer.com/case/seahorse-secrets/index.md): Seahorses (genus Hippocampus) are small marine fish. They are among the few animals in which the male becomes pregnant: during mating the female deposits her eggs into a brood… - [Really, Killer! Whales (DD-192)](https://detailenjoyer.com/case/really-killer-whales/index.md): The orca, or killer whale (Orcinus orca), is the largest member of the dolphin family. Many populations live in matrilineal groups in which offspring stay with their mothers, and… - [Blue Bloods (DD-193)](https://detailenjoyer.com/case/blue-bloods/index.md): Squid, like octopuses and cuttlefish, have three hearts: two branchial hearts pump blood through the gills, and a systemic heart pumps it around the body. Their blood is blue… - [Long-Living Like Larry (DD-194)](https://detailenjoyer.com/case/long-living-like-larry/index.md): Lobsters show indeterminate growth: they keep growing throughout life by molting their exoskeleton. Older lobsters remain fertile and don't show obvious signs of aging in the… - [The City of 10,000 Shrines (DD-195)](https://detailenjoyer.com/case/the-city-of-10000-shrines/index.md): Kyoto was Japan's imperial capital from 794 until 1868, when the emperor moved to Tokyo. The city has around 1,600 Buddhist temples and hundreds of Shinto shrines, and 17 of its… - [Thera (DD-196)](https://detailenjoyer.com/case/thera/index.md): Santorini, officially Thira (ancient Thera), is a Greek island group in the southern Aegean Sea. Its crescent shape is the rim of a flooded caldera left mainly by the Minoan… - [Catalan Gothic (DD-197)](https://detailenjoyer.com/case/catalan-gothic/index.md): Barcelona is the capital of Catalonia, Spain. Its best-known building, the Basílica de la Sagrada Família, designed by Antoni Gaudí, has been under construction since 1882. Gaudí… - [The Red City (DD-198)](https://detailenjoyer.com/case/the-red-city/index.md): Marrakech is a city in western Morocco, founded around 1070 by the Almoravids. It's nicknamed the Red City for the red-ochre color of its walls and buildings. Its medina, the… - [Soft Coral Capital of the World! (DD-199)](https://detailenjoyer.com/case/soft-coral-capital-of-the-world/index.md): Fiji is an island country in Melanesia in the South Pacific, made up of more than 330 islands, about 110 of them permanently inhabited. Its largest island is Viti Levu, home to… - [Visit This Tropical Paradise (DD-200)](https://detailenjoyer.com/case/visit-this-tropical-paradise/index.md): Bora Bora is an island in the Leeward Islands of French Polynesia, an overseas collectivity of France in the South Pacific. A central island of volcanic origin, topped by Mount… - [Three-Horned-Face! (DD-201)](https://detailenjoyer.com/case/three-horned-face/index.md): Triceratops was a large plant-eating ceratopsian dinosaur that lived in western North America about 68 to 66 million years ago, at the very end of the Cretaceous, making it one… - [The Cretaceous King (DD-202)](https://detailenjoyer.com/case/the-cretaceous-king/index.md): Tyrannosaurus rex was a large meat-eating dinosaur that lived in western North America about 68 to 66 million years ago. The largest specimens reached about 12 m long and weighed… - [The Order of Pterosauria (DD-203)](https://detailenjoyer.com/case/the-order-of-pterosauria/index.md): Pterosaurs (order Pterosauria) were flying reptiles, close relatives of dinosaurs but not dinosaurs themselves. They were the first vertebrates known to have evolved powered… - [Iran (DD-204)](https://detailenjoyer.com/case/iran/index.md): Iran, officially the Islamic Republic of Iran, is a country in West Asia. Its territory was the heart of several Persian empires, beginning with the Achaemenid Empire founded by… - [Russia & The Ukraine (DD-205)](https://detailenjoyer.com/case/russia-the-ukraine/index.md): The Russo-Ukrainian War began in February 2014, when Russia occupied and then annexed Crimea from The Ukraine, and Russian-backed separatists took up arms in the Donbas region of… - [The Land of Israel (DD-206)](https://detailenjoyer.com/case/the-land-of-israel/index.md): Israel declared independence on May 14, 1948, as the British Mandate for Palestine ended. Neighboring Arab states invaded the next day, starting the 1948 Arab-Israeli War; the… - [Tyler, The Creator (DD-207)](https://detailenjoyer.com/case/tyler-the-creator/index.md): Tyler, The Creator (Tyler Gregory Okonma) is an American rapper, songwriter and producer, born on March 6, 1991, in Los Angeles. He co-founded the alternative hip-hop collective… - [Yeah I Dig (DD-208)](https://detailenjoyer.com/case/yeah-i-dig/index.md): Minecraft is a sandbox video game created by Markus 'Notch' Persson and developed by Mojang Studios, released in full in 2011. Its procedurally generated worlds are built from… - [It Better Be Boron! (DD-209)](https://detailenjoyer.com/case/it-better-be-boron/index.md): Boron is element 5, a metalloid. It's an essential micronutrient for plants, needed for cell walls and growth. Adding boron oxide to glass makes borosilicate glass, which has low… - [Carved by Ancient Rivers (DD-210)](https://detailenjoyer.com/case/carved-by-ancient-rivers/index.md): A canyon is a deep, narrow valley with steep sides, most often cut by a river over millions of years. As the land is uplifted or the base level drops, the river keeps cutting… - [Where Your Food Is Grown (DD-211)](https://detailenjoyer.com/case/where-your-food-is-grown/index.md): Plains are broad areas of flat or gently rolling land. Many have deep, fertile soils built up by rivers, glaciers or wind-blown loess, which makes them some of the world's most… - [Earth's Harshest Biome (DD-212)](https://detailenjoyer.com/case/earths-harshest-biome/index.md): Tundra is a treeless biome where cold temperatures and short growing seasons limit plant growth. Arctic tundra rings the far north, and alpine tundra occurs on high mountains;… - [The First Roman Emperor (DD-213)](https://detailenjoyer.com/case/the-first-roman-emperor/index.md): Augustus, born Gaius Octavius in 63 BC, was the great-nephew and adopted son of Julius Caesar. After Caesar's assassination in 44 BC and years of civil war, he defeated Mark… - [The Beast of Rome (DD-214)](https://detailenjoyer.com/case/the-beast-of-rome/index.md): Nero was Roman emperor from AD 54 to 68. He was known for his love of performing, singing and acting in public, which Roman elites considered beneath an emperor. After the Great… - [Little Boot (DD-215)](https://detailenjoyer.com/case/little-boot/index.md): Caligula, born Gaius Julius Caesar Germanicus in AD 12, was Rome's third emperor. His nickname, meaning 'little boot', came from the miniature soldier's boots he wore as a child… - [Canute the Great (DD-216)](https://detailenjoyer.com/case/canute-the-great/index.md): Canute the Great (Cnut) was a Danish prince who became King of England in 1016, King of Denmark in 1018 and King of Norway in 1028, ruling all three until his death in 1035.… - [Charlemagne (DD-217)](https://detailenjoyer.com/case/charlemagne/index.md): Charlemagne (Charles the Great, about 747 to 814) was King of the Franks from 768 and King of the Lombards from 774. On Christmas Day 800, Pope Leo III crowned him Emperor of the… - [The Last Czar (DD-218)](https://detailenjoyer.com/case/the-last-czar/index.md): Nicholas II was the last Emperor of Russia, reigning from November 1894 until his abdication in March 1917. His reign included rapid industrial growth, defeat in the… - [Russia's Greatest Empress (DD-219)](https://detailenjoyer.com/case/russias-greatest-empress/index.md): Catherine II, known as Catherine the Great, was born a German princess in 1729 and married the future Peter III of Russia. In 1762, months after he took the throne, a coup… - [The Virgin Queen (DD-220)](https://detailenjoyer.com/case/the-virgin-queen/index.md): Elizabeth I ruled England and Ireland from 1558 until her death in 1603, the last monarch of the Tudor dynasty. Her reign is often called the Elizabethan era or a golden age,… - [The Famine Queen (DD-221)](https://detailenjoyer.com/case/the-famine-queen/index.md): Queen Victoria ruled the United Kingdom from 1837 until her death in 1901, a reign of 63 years surpassed among British monarchs only by Elizabeth II. The Victorian era saw… - [Khan of Khans (DD-222)](https://detailenjoyer.com/case/khan-of-khans/index.md): Genghis Khan, born Temüjin around 1162, united the Mongol tribes and was proclaimed Great Khan in 1206. He led campaigns across northern China and Central Asia that were both… - [SHŌGUN (DD-223)](https://detailenjoyer.com/case/shogun/index.md): Tokugawa Ieyasu (1543 to 1616) won the Battle of Sekigahara in 1600 and was appointed shogun in 1603, founding the Tokugawa shogunate. His successors ruled Japan from Edo, now… - [Le Petit Caporal (DD-224)](https://detailenjoyer.com/case/le-petit-caporal/index.md): Napoleon Bonaparte (1769 to 1821) rose through the French Revolutionary army, seized power in 1799 and crowned himself Emperor of the French in December 1804. His wars reshaped… - [Is This Equivalent Exchange (DD-225)](https://detailenjoyer.com/case/is-this-equivalent-exchange/index.md): Fullmetal Alchemist is a manga by Hiromu Arakawa, serialized from 2001 to 2010, adapted as two anime series (2003 and Fullmetal Alchemist: Brotherhood, 2009). Brothers Edward and… - [You Are My Special (DD-226)](https://detailenjoyer.com/case/you-are-my-special/index.md): Jujutsu Kaisen is a manga by Gege Akutami, serialized from 2018 to 2024, adapted by MAPPA as an anime from 2020. High school student Yuji Itadori swallows a cursed finger… - [Half-Human Half-Dog Demon (DD-227)](https://detailenjoyer.com/case/half-human-half-dog-demon/index.md): Inuyasha is a manga by Rumiko Takahashi, serialized from 1996 to 2008, adapted as an anime from 2000. Schoolgirl Kagome Higurashi falls through a well at her family's shrine into… - [KICK BACK! (DD-228)](https://detailenjoyer.com/case/kick-back/index.md): Chainsaw Man is a manga by Tatsuki Fujimoto, first serialized in 2018, adapted by studio MAPPA as an anime in 2022. Denji, a young devil hunter crushed by his late father's debt,… - [RIP Akira Toriyama (DD-229)](https://detailenjoyer.com/case/rip-akira-toriyama/index.md): Akira Toriyama (1955 to 2024) was a Japanese manga artist who created Dr. Slump and Dragon Ball, serialized from 1984 to 1995. Dragon Ball Z, the anime adaptation of the later… - [He Keeps Getting Stronger (DD-230)](https://detailenjoyer.com/case/he-keeps-getting-stronger/index.md): Solo Leveling is a South Korean web novel by Chugong, first published in 2016, adapted into a webtoon in 2018 and an anime by A-1 Pictures in January 2024. Sung Jin-woo, an… - [Shinigami Love Apples (DD-231)](https://detailenjoyer.com/case/shinigami-love-apples/index.md): Death Note is a manga written by Tsugumi Ohba and illustrated by Takeshi Obata, serialized from 2003 to 2006 and adapted as an anime in 2006. Student Light Yagami finds a… - [A 1,000 Year Blood War (DD-232)](https://detailenjoyer.com/case/a-1000-year-blood-war/index.md): Bleach is a manga by Tite Kubo, serialized from 2001 to 2016, adapted as an anime from 2004 to 2012. Teenager Ichigo Kurosaki, who can see ghosts, gains the powers of a Soul… - [FIGHT!!! (DD-233)](https://detailenjoyer.com/case/fight/index.md): Attack on Titan is a manga by Hajime Isayama, serialized from 2009 to 2021, adapted as an anime from 2013 to 2023. The last humans live inside three huge walls to escape giant… - [Mobile Suit Gundam (DD-234)](https://detailenjoyer.com/case/mobile-suit-gundam/index.md): Mobile Suit Gundam, created by Yoshiyuki Tomino and studio Sunrise, premiered in April 1979. Set in the Universal Century calendar, it follows teenage pilot Amuro Ray in the… - [Believe It! (DD-235)](https://detailenjoyer.com/case/believe-it/index.md): Naruto is a manga by Masashi Kishimoto, serialized from 1999 to 2014, adapted as an anime from 2002 and continued as Naruto Shippuden from 2007. Naruto Uzumaki, an outcast in the… - [Energizer (DD-236)](https://detailenjoyer.com/case/energizer/index.md): Lithium-ion batteries power phones, laptops and electric vehicles. Making them starts with mining and refining materials such as lithium, nickel, cobalt, manganese and graphite.… - [Haha Car Go Brr (DD-237)](https://detailenjoyer.com/case/haha-car-go-brr/index.md): Mass car production begins with design and engineering, then sourcing materials such as steel, aluminum and plastics. Sheets of metal are stamped into panels, which robots weld… - [The Future Is Now (DD-238)](https://detailenjoyer.com/case/the-future-is-now/index.md): Computer chips, or integrated circuits, are made on wafers of very pure silicon. Each wafer is coated with a light-sensitive photoresist and exposed to ultraviolet light through… - [No.1 or No.2 (DD-239)](https://detailenjoyer.com/case/no1-or-no2/index.md): A wooden pencil's core is not lead but a mix of graphite and clay; more clay makes a harder lead. In the usual method, slats of wood, often incense cedar, are grooved, the leads… - [Let's Mix It Up (DD-240)](https://detailenjoyer.com/case/lets-mix-it-up/index.md): Concrete is a mix of cement, aggregates such as sand and gravel, and water. The cement reacts with water in a process called hydration, binding the aggregates into a hard mass;… - [Spinning a Yarn (DD-241)](https://detailenjoyer.com/case/spinning-a-yarn/index.md): Textiles are made from natural fibers such as cotton, wool and silk, or synthetic fibers such as polyester and nylon. Fibers are cleaned and combed, then spun, which twists them… - [Harder Than Before (DD-242)](https://detailenjoyer.com/case/harder-than-before/index.md): Steel is an alloy of iron with a small amount of carbon, usually less than 2%, and often other elements. Most steel is made by smelting iron ore with coke in a blast furnace and… - [The Birth of the MCU (DD-243)](https://detailenjoyer.com/case/the-birth-of-the-mcu/index.md): Iron Man, directed by Jon Favreau and starring Robert Downey Jr. as Tony Stark, was released in the U.S. on May 2, 2008, as the first film of the Marvel Cinematic Universe. It… - [The Strongest There Is (DD-244)](https://detailenjoyer.com/case/the-strongest-there-is/index.md): The Incredible Hulk, directed by Louis Leterrier and starring Edward Norton as Bruce Banner, was released in the U.S. on June 13, 2008, as the second film of the Marvel Cinematic… - [The Saga Continues (DD-245)](https://detailenjoyer.com/case/the-saga-continues/index.md): Iron Man 2, directed by Jon Favreau, was released in the U.S. on May 7, 2010, as the third film of the Marvel Cinematic Universe. Robert Downey Jr. returned as Tony Stark,… - [The God of Thunder (DD-246)](https://detailenjoyer.com/case/the-god-of-thunder/index.md): Thor, directed by Kenneth Branagh, was released in the U.S. on May 6, 2011, as the fourth film of the Marvel Cinematic Universe. Chris Hemsworth plays the Norse-inspired god,… - [I Can Do This All Day (DD-247)](https://detailenjoyer.com/case/i-can-do-this-all-day/index.md): Captain America: The First Avenger, directed by Joe Johnston, was released in the U.S. on July 22, 2011, as the fifth film of the Marvel Cinematic Universe. Chris Evans plays… - [Avengers Assemble! (DD-248)](https://detailenjoyer.com/case/avengers-assemble/index.md): The Avengers, written and directed by Joss Whedon, was released in the U.S. on May 4, 2012, closing Phase One of the Marvel Cinematic Universe. It brings together Iron Man,… - [Supercar Police (DD-249)](https://detailenjoyer.com/case/supercar-police/index.md): Since 2013, Dubai Police have added high-end sports and luxury cars to their fleet, including models from Lamborghini, Ferrari, Bentley, Bugatti and McLaren, in green-and-white… - [Life on The Palm (DD-250)](https://detailenjoyer.com/case/life-on-the-palm/index.md): Palm Jumeirah is an artificial archipelago off Dubai, built by land reclamation shaped like a palm tree with a trunk, 17 fronds and an encircling crescent breakwater.… - [Astonishing Arabian Architecture (DD-251)](https://detailenjoyer.com/case/astonishing-arabian-architecture/index.md): Dubai's skyline includes the Burj Khalifa, the world's tallest building at 828 m since 2010; the Burj Al Arab, a sail-shaped hotel opened in 1999 and often marketed as… - [Mall of the Emirates (DD-252)](https://detailenjoyer.com/case/mall-of-the-emirates/index.md): Despite the title, the Reel's voiceover describes the Dubai Mall in Downtown Dubai, opened in 2008 and one of the largest malls in the world by total area, with more than 1,200… - [A Winter Oasis (DD-253)](https://detailenjoyer.com/case/a-winter-oasis/index.md): Ski Dubai is an indoor ski resort in the Mall of the Emirates, opened in 2005. It covers 22,500 square meters with five runs, the longest 400 m with a drop of about 60 m, kept… - [Wanderlust & Desert Dust (DD-254)](https://detailenjoyer.com/case/wanderlust-desert-dust/index.md): Desert safaris are among Dubai's most popular tourist activities. Tours typically include dune bashing, driving 4x4 vehicles over the dunes of the Arabian Desert, or riding dune… - [Eyes in the Sky (DD-255)](https://detailenjoyer.com/case/eyes-in-the-sky/index.md): Thousands of active satellites orbit Earth. Communications satellites relay TV, internet and phone signals; navigation constellations such as the U.S. GPS let receivers calculate… - [Keep Looking, What Do You See? (DD-256)](https://detailenjoyer.com/case/keep-looking-what-do-you-see/index.md): The Hubble Space Telescope, a NASA project with the European Space Agency, was launched aboard Space Shuttle Discovery on April 24, 1990. A flaw in its main mirror was corrected… - [It IS Rocket Science (DD-257)](https://detailenjoyer.com/case/it-is-rocket-science/index.md): The Space Shuttle was NASA's partly reusable launch system, flown from April 12, 1981, to July 21, 2011. Each stack combined a winged orbiter, a large external fuel tank and two… - [Look Up, Can You See It? (DD-258)](https://detailenjoyer.com/case/look-up-can-you-see-it/index.md): The International Space Station is a modular space station in low Earth orbit, at about 400 km (250 miles), circling Earth about every 90 minutes. Its first module launched in… - [Not the Space Force (DD-259)](https://detailenjoyer.com/case/not-the-space-force/index.md): NASA, the National Aeronautics and Space Administration, is the U.S. civilian space agency, established on July 29, 1958. Its Apollo program landed 12 astronauts on the Moon… - [Ferromagnetism (DD-260)](https://detailenjoyer.com/case/ferromagnetism/index.md): Ferrofluid is a liquid containing nanoscale magnetic particles, usually magnetite, coated with a surfactant and suspended in a carrier such as oil. It was invented in 1963 by… - [Be Not Afraid (DD-261)](https://detailenjoyer.com/case/be-not-afraid/index.md): The Book of Ezekiel in the Hebrew Bible describes a vision of four living creatures, later identified as cherubim. Each has four faces, of a man, a lion, an ox and an eagle, and… - [Very Slippery (DD-262)](https://detailenjoyer.com/case/very-slippery/index.md): Snakes move in four main ways: lateral undulation (serpentine movement), rectilinear movement, sidewinding and concertina movement. Lateral undulation, the most common, sends… - [Type I (DD-263)](https://detailenjoyer.com/case/type-i/index.md): The Kardashev scale was proposed in 1964 by the Soviet astronomer Nikolai Kardashev to classify civilizations by energy use. A Type I civilization uses energy on the scale of all… - [The Fingers of Death (DD-264)](https://detailenjoyer.com/case/the-fingers-of-death/index.md): A brinicle is a hollow tube of ice that grows downward from sea ice in polar waters. As seawater freezes, salt is expelled as very cold, dense brine, which sinks and freezes the… - [I Wanted You to Know... (DD-265)](https://detailenjoyer.com/case/i-wanted-you-to-know/index.md): The cardiac cycle is the sequence of contraction and relaxation that pumps blood. It starts in the sinoatrial node, the heart's natural pacemaker, which fires an electrical… - [The Beirut Blast (DD-266)](https://detailenjoyer.com/case/the-beirut-blast/index.md): On August 4, 2020, a large amount of ammonium nitrate stored at the Port of Beirut, Lebanon, exploded. About 2,750 tons had been kept in a port warehouse for years. Reports say… - [About to Blow (DD-267)](https://detailenjoyer.com/case/about-to-blow/index.md): An eruption becomes explosive when gases dissolved in magma expand rapidly as it nears the surface, shattering the magma into ash and rock that are blasted into the atmosphere.… - [The Baobab Tree (DD-268)](https://detailenjoyer.com/case/the-baobab-tree/index.md): Baobabs (genus Adansonia) are known for their massive, swollen trunks and sparse branches. The nine species are native to mainland Africa, Madagascar and Australia, and some… - [CASCADE (DD-269)](https://detailenjoyer.com/case/cascade/index.md): When a drop of water lands gently on a pool, a thin film of air can keep it from merging at once, so it appears to bounce. It then partly merges, leaving behind a smaller drop,… - [Kiloton (DD-270)](https://detailenjoyer.com/case/kiloton/index.md): After World War II, the United States conducted nuclear tests at Bikini Atoll in the Marshall Islands. Operation Crossroads in 1946 included the Baker test on July 25, 1946, in… - [Oxidized Aluminum (DD-271)](https://detailenjoyer.com/case/oxidized-aluminum/index.md): Aluminum is normally protected by a thin oxide layer. Mercury disrupts that layer by forming an amalgam, so the exposed aluminum oxidizes rapidly in air, growing white fibers of… - [Flying Fishermen (DD-272)](https://detailenjoyer.com/case/flying-fishermen/index.md): Several eagles are skilled fishers, including the bald eagle and the African fish eagle. They spot fish from high above, dive and grab them with sharp talons. When a catch is too… - [What Are You Waiting For? (DD-273)](https://detailenjoyer.com/case/what-are-you-waiting-for/index.md): An avalanche is a mass of snow sliding rapidly down a slope. It can be triggered by heavy snowfall, temperature changes or people. The Reel says avalanches can reach 80 miles per… - [You're Spinning Me Around (DD-274)](https://detailenjoyer.com/case/youre-spinning-me-around/index.md): A gyroscope is a spinning wheel or rotor mounted so its axis can point in any direction. While it spins, it resists changes to the direction of its axis because of the… - [Synaptic Transmission (DD-275)](https://detailenjoyer.com/case/synaptic-transmission/index.md): Neurons communicate at synapses, junctions between two nerve cells. When an action potential reaches the end of the presynaptic neuron, it triggers the release of… - [Bark Beaters (DD-276)](https://detailenjoyer.com/case/bark-beaters/index.md): The white-bellied woodpecker is a large woodpecker of South and Southeast Asia. It is mostly black with a white belly, and males have a red crown. It drums on trees to… - [We Create Our Own Demons (DD-277)](https://detailenjoyer.com/case/we-create-our-own-demons/index.md): Iron Man 3, directed by Shane Black, was released in the U.S. on May 3, 2013, as the first film of Phase Two of the Marvel Cinematic Universe. Robert Downey Jr. plays Tony Stark,… - [To Be Worthy (DD-278)](https://detailenjoyer.com/case/to-be-worthy/index.md): Thor: The Dark World, directed by Alan Taylor, was released in the U.S. on November 8, 2013, as the second film of Phase Two of the Marvel Cinematic Universe. Chris Hemsworth's… - [BUCKY?!?!? (DD-279)](https://detailenjoyer.com/case/bucky/index.md): Captain America: The Winter Soldier, directed by Anthony and Joe Russo, was released in the U.S. on April 4, 2014, in Phase Two of the Marvel Cinematic Universe. Chris Evans… - [Rise of the Star-Lord (DD-280)](https://detailenjoyer.com/case/rise-of-the-star-lord/index.md): Guardians of the Galaxy, written and directed by James Gunn, was released in the U.S. on August 1, 2014. Chris Pratt stars as Peter Quill, or Star-Lord, leading a team with… - [No Strings On Me (DD-281)](https://detailenjoyer.com/case/no-strings-on-me/index.md): Avengers: Age of Ultron, written and directed by Joss Whedon, was released in the U.S. on May 1, 2015. The Avengers face Ultron (voiced by James Spader), an artificial… - [A MOVIE FOR ANTS (DD-282)](https://detailenjoyer.com/case/a-movie-for-ants/index.md): Ant-Man, directed by Peyton Reed, was released in the U.S. on July 17, 2015, closing Phase Two of the Marvel Cinematic Universe. Paul Rudd plays Scott Lang, an ex-convict… - [The Opening Ceremony (DD-283)](https://detailenjoyer.com/case/the-opening-ceremony/index.md): The Olympic opening ceremony marks the start of each Games, with performances that showcase the host nation's culture and history, the parade of athletes and the lighting of the… - [OVER 0 (DD-284)](https://detailenjoyer.com/case/over-0/index.md): Mechanical calculators divide the way people do long division: by subtracting the divisor over and over and counting the subtractions. With a divisor of zero, each subtraction… - [Feeling Salty (DD-285)](https://detailenjoyer.com/case/feeling-salty/index.md): Sodium is a soft alkali metal that reacts with water to form sodium hydroxide (caustic soda) and hydrogen gas, giving off heat. With larger pieces, that heat can ignite the… - [Newtons Cradle (DD-286)](https://detailenjoyer.com/case/newtons-cradle/index.md): Newton's cradle is a row of identical metal balls hung from a frame so they just touch. Lift and release one end ball, and after the collision the ball at the far end swings out… - [Making Plasma in the Microwave (DD-287)](https://detailenjoyer.com/case/making-plasma-in-the-microwave/index.md): Plasma is gas in which enough atoms have lost electrons that it conducts electricity and glows. In a microwave oven, plasma usually starts where the field gets concentrated: at… - [No Perfect Crystallizations (DD-288)](https://detailenjoyer.com/case/no-perfect-crystallizations/index.md): A snow crystal starts when supercooled cloud droplets freeze onto a tiny particle such as dust or pollen, and then grows as water vapor deposits directly onto the ice. Ice's… - [The Ghost Mushroom (DD-289)](https://detailenjoyer.com/case/the-ghost-mushroom/index.md): The ghost fungus, Omphalotus nidiformis, is a bioluminescent mushroom found mainly in southern Australia and Tasmania, with reports from India in 2012 and 2018. Its fan- or… - [An MRI's Skeleton (DD-290)](https://detailenjoyer.com/case/an-mris-skeleton/index.md): The machine in the footage is almost certainly a CT (computed tomography) scanner with its covers off, not an MRI. In a CT scanner, an X-ray tube and detector array are mounted… - [Amazing Underwater Forests (DD-291)](https://detailenjoyer.com/case/amazing-underwater-forests/index.md): Kelp forests are dense stands of large brown algae (kelp) that grow in cool, shallow, nutrient-rich coastal waters. NOAA notes that kelp can grow up to 18 inches (45 cm) a day in… - [Totally Radula! (DD-292)](https://detailenjoyer.com/case/totally-radula/index.md): Velvet worms (Onychophora) are soft, many-legged invertebrates of humid tropical and southern temperate forests. They hunt small invertebrates by squirting a sticky slime from… - [Worms This Flat (DD-293)](https://detailenjoyer.com/case/worms-this-flat/index.md): Marine polyclad flatworms (Polycladida) are thin, often brightly patterned flatworms found mostly on reefs and rocky shores. They glide on beds of cilia and muscular waves, and… - [A Web of Wonder (DD-294)](https://detailenjoyer.com/case/a-web-of-wonder/index.md): Spiders make silk in abdominal glands and draw it out through spinnerets at the rear of the abdomen. Different glands make different silks: dry, strong dragline silk for frames… - [2-Billion Dollar B=2 (DD-295)](https://detailenjoyer.com/case/2-billion-dollar-b2/index.md): The Northrop B-2 Spirit is a US Air Force stealth bomber with a flying-wing shape designed to reduce its radar cross-section. It first flew publicly in 1989. By 1996, the program… - [Is Water Sticky? (DD-296)](https://detailenjoyer.com/case/is-water-sticky/index.md): Water molecules attract one another through hydrogen bonds. At the surface, molecules have neighbors only below and beside them, so they're pulled inward, and the surface behaves… - [NUCLEAR DISASTER (DD-297)](https://detailenjoyer.com/case/nuclear-disaster/index.md): On April 26, 1986, Reactor 4 at the Chernobyl Nuclear Power Plant exploded and burned, in the Soviet Union's Ukrainian SSR, now The Ukraine. During the accident, molten fuel,… - [Liquid Rock (DD-298)](https://detailenjoyer.com/case/liquid-rock/index.md): Lava is molten rock erupted at the surface; underground, the same material is called magma. Most magma forms in the upper mantle, and a key way rock melts there is decompression:… - [Iceberg Blue (DD-299)](https://detailenjoyer.com/case/iceberg-blue/index.md): Glacier ice forms as snow is buried and compressed over years, squeezing out air bubbles. Ice and water absorb a little more red light than blue, so over long paths through clear… - [A Real Hot Head (DD-300)](https://detailenjoyer.com/case/a-real-hot-head/index.md): A safety match head typically contains potassium chlorate as an oxidizer, sulfur and other fuels, ground glass for friction and a binder. The striking strip on the box holds red… - [Video Trickery (DD-301)](https://detailenjoyer.com/case/video-trickery/index.md): Many CMOS image sensors use a rolling shutter: instead of capturing every pixel at the same instant, they read the frame out row by row, usually top to bottom. When something… - [Linking Up (DD-302)](https://detailenjoyer.com/case/linking-up/index.md): Inside thunderstorms, collisions between ice crystals, graupel (soft hail) and supercooled droplets in strong updrafts separate electric charge. Typically the upper cloud becomes… - [Knuckle Coupling (DD-303)](https://detailenjoyer.com/case/knuckle-coupling/index.md): The knuckle coupler, originally the Janney coupler, was patented by Eli H. Janney, a Confederate veteran of the American Civil War, in US patent 138,405 on April 29, 1873. Each… - [Getting to the (Ball)Point (DD-304)](https://detailenjoyer.com/case/getting-to-the-ballpoint/index.md): A ballpoint pen dispenses thick, oil-based ink over a hard ball, usually steel, brass or tungsten carbide, seated in a socket at the tip. As the ball rolls across the paper, it… - [A Prison for Your Mind (DD-305)](https://detailenjoyer.com/case/a-prison-for-your-mind/index.md): As of 2024, virtual prisons are a speculative idea, not a system any prison uses. The footage comes from 'Cognify', a concept video that Berlin-based filmmaker and science… - [A REEL Deep Dive (DD-306)](https://detailenjoyer.com/case/a-reel-deep-dive/index.md): Female deep-sea anglerfish have a bioluminescent lure, called an esca, on a modified dorsal fin spine that extends over the head. The glow attracts prey in the dark depths. When… - [Microscopic Extremophiles (DD-307)](https://detailenjoyer.com/case/microscopic-extremophiles/index.md): Tardigrades, also called water bears or moss piglets, are microscopic animals usually about 0.3 to 0.5 millimeters long. In a dried-out state they can survive extreme heat and… - [Flaming Jellies (DD-308)](https://detailenjoyer.com/case/flaming-jellies/index.md): The flame jellyfish (Rhopilema esculentum) is a large jellyfish of coastal waters off China, Korea and Japan. Its bell is translucent with a reddish-brown tint, and it trails… - [Bacteria Hunters (DD-309)](https://detailenjoyer.com/case/bacteria-hunters/index.md): Bacteriophages, or phages, are viruses that infect bacteria. A phage attaches to a bacterium and injects its genetic material, hijacking the cell to make new phages. Enzymes then… - [Underwater Angels (DD-310)](https://detailenjoyer.com/case/underwater-angels/index.md): Sea angels (order Gymnosomata, part of the pteropods) are small, shell-less marine snails. Their translucent, gelatinous bodies carry two wing-like flaps that they beat to swim.… - [Leaf Home in the Sky (DD-311)](https://detailenjoyer.com/case/leaf-home-in-the-sky/index.md): Baya weavers are small, sociable birds of South and Southeast Asia. Males weave hanging, retort-shaped nests from strips of grass and palm leaves, often building several to… - [Advanced Bicycle Riding (DD-312)](https://detailenjoyer.com/case/advanced-bicycle-riding/index.md): Urban riding uses city features such as stairs, railings, ledges and benches for tricks, jumps and technical lines. It draws on mountain bike trials and BMX street riding and is… - ["Writing" Life (DD-313)](https://detailenjoyer.com/case/writing-life/index.md): Transcription copies the information in a gene into RNA. In the nucleus, the enzyme RNA polymerase binds to a promoter, unwinds the DNA and reads one strand as a template to… - [Toxic Phosphorus (DD-314)](https://detailenjoyer.com/case/toxic-phosphorus/index.md): White phosphorus is a waxy, toxic form of the element that can ignite spontaneously in air at around 30 °C (86 °F). It burns with a bright flame and gives off dense white smoke… - [Your Heart in a Glass (DD-315)](https://detailenjoyer.com/case/your-heart-in-a-glass/index.md): Cardiomyocytes are the muscle cells of the heart. They can generate and conduct electrical impulses, and their myofibrils of actin and myosin let them contract. Neighboring cells… - [Glacial Waterfalls (DD-316)](https://detailenjoyer.com/case/glacial-waterfalls/index.md): Glacial waterfalls form where meltwater from a glacier flows over a cliff or the ice edge. In warm seasons, faster melting makes the falls bigger. Meltwater carries fine ground… - [Sharpening Your Mind (DD-317)](https://detailenjoyer.com/case/sharpening-your-mind/index.md): Before sharpeners, pencils were whittled with knives. The French mathematician Bernard Lassimone patented a pencil sharpener in 1828, and many hand-operated designs followed in… - [To Break the Ice (DD-318)](https://detailenjoyer.com/case/to-break-the-ice/index.md): Icebreakers are ships built to clear paths through sea ice. Their sloped, reinforced bows let them ride up onto the ice so the ship's weight breaks it, and strengthened hulls… - [The Strings of Fate (DD-319)](https://detailenjoyer.com/case/the-strings-of-fate/index.md): String theory proposes that particles are tiny vibrating strings. Superstring theories require 10 spacetime dimensions, and M-theory, which links them, requires 11. Beyond the… - [Synthetic Conception (DD-320)](https://detailenjoyer.com/case/synthetic-conception/index.md): In vitro fertilization (IVF) fertilizes an egg with sperm outside the body. The ovaries are stimulated to produce several eggs, which are collected in a minor procedure and… - [The Hills Have Lungs (DD-321)](https://detailenjoyer.com/case/the-hills-have-lungs/index.md): In very strong winds, trees sway hard enough that their shallow root plates lift and drop, raising and lowering the soil and moss on top of them. On video the forest floor seems… - [They Don't Age! (DD-322)](https://detailenjoyer.com/case/they-dont-age/index.md): Hydras are freshwater animals a few millimeters long, with a tubular body and a mouth ringed by stinging tentacles that catch tiny prey. They can regenerate a whole body from a… - [Dredging Up the...Ground? (DD-323)](https://detailenjoyer.com/case/dredging-up-the-ground/index.md): Dredging ships remove sediment and debris from the bottoms of rivers, harbors and seas. They keep waterways navigable, deepen shipping channels and can reclaim land from the sea.… - [Ectogenesis (DD-324)](https://detailenjoyer.com/case/ectogenesis/index.md): Ectogenesis means growing an embryo or fetus outside the body. Research focuses on artificial wombs for extremely premature babies: in 2017 a Philadelphia team kept premature… - [Solid Snake (DD-325)](https://detailenjoyer.com/case/solid-snake/index.md): The western bush viper (Atheris chlorechis) is a small, tree-dwelling viper of West African rainforests. Its green to yellowish scales camouflage it among leaves, and adults… - [Preserve Your Bubbles (DD-326)](https://detailenjoyer.com/case/preserve-your-bubbles/index.md): When a soap bubble is blown in air well below freezing, the thin water film begins to freeze. Ice crystals form and spread across the surface in branching patterns, swirled by… - [The Googol Gears (DD-327)](https://detailenjoyer.com/case/the-googol-gears/index.md): A googol is 1 followed by 100 zeros. Daniel de Bruin built a gear machine to make that number tangible: a chain of 100 gear stages, each reducing speed by a factor of ten, driven… - [Squaring the Circle (DD-328)](https://detailenjoyer.com/case/squaring-the-circle/index.md): A sphere built from cubes, like a voxel model, can only approximate the curve: flat faces and square edges never match a continuous surface. Using more, smaller cubes makes the… - [The Secret of Compact Disks (DD-329)](https://detailenjoyer.com/case/the-secret-of-compact-disks/index.md): A compact disc stores digital data along a spiral track of microscopic pits and flat areas called lands. A laser in the player shines on the track, and a sensor detects changes… - [Nuclear Shadows (DD-330)](https://detailenjoyer.com/case/nuclear-shadows/index.md): When the United States dropped atomic bombs on Hiroshima on August 6, 1945, and Nagasaki on August 9, 1945, the intense flash of thermal radiation bleached and scorched exposed… - [Coal World (DD-331)](https://detailenjoyer.com/case/coal-world/index.md): Coal dust blowing from loaded rail cars and stockpiles is a health, safety and maintenance problem. Railroads and mines use spray stations that coat coal with water or chemical… - [See Right Through Me (DD-332)](https://detailenjoyer.com/case/see-right-through-me/index.md): Borosilicate glass such as Pyrex has a refractive index of about 1.47, close to that of many vegetable oils. When the glass is submerged, light passes from oil to glass with… - [Embryonic Development (DD-333)](https://detailenjoyer.com/case/embryonic-development/index.md): Embryonic development begins with a zygote, a single fertilized cell, which divides rapidly in a process called cleavage. In mammals the cells form a blastocyst that implants in… - [Anatomy of a Combustion Engine (DD-334)](https://detailenjoyer.com/case/anatomy-of-a-combustion-engine/index.md): In a four-stroke internal combustion engine, a piston draws in fuel and air, compresses it, and in gasoline engines a spark plug ignites it; diesel engines ignite the mixture by… - [Smelly Smell That Smells Smelly (DD-335)](https://detailenjoyer.com/case/smelly-smell-that-smells-smelly/index.md): Bromine is a reddish-brown liquid halogen that evaporates readily into a choking, foul-smelling vapor; its name comes from the Greek for stench. The vapor irritates the eyes and… - [Slime Talk (DD-336)](https://detailenjoyer.com/case/slime-talk/index.md): Slime molds are neither fungi nor animals; most are amoeba-like organisms. Some live as single cells that gather into a multicellular mass when food runs short, while others,… - [Count It Up (DD-337)](https://detailenjoyer.com/case/count-it-up/index.md): A banknote counter feeds bills one at a time through rollers past sensors that register each note, and many measure size or thickness to catch doubles. Higher-end models check… - [Quantum Shenanigans (DD-338)](https://detailenjoyer.com/case/quantum-shenanigans/index.md): The Schrödinger equation, published by Erwin Schrödinger in 1926, is a central equation of quantum mechanics. It describes how a system's wave function evolves over time; the… - [Professional Capping (DD-339)](https://detailenjoyer.com/case/professional-capping/index.md): The Reel describes crews putting out gas fires by lowering a heat-resistant steel dome over the flames with heavy machinery, cutting off oxygen so the leak can then be capped or… - [Boeing's Red Rain (DD-340)](https://detailenjoyer.com/case/boeings-red-rain/index.md): The 747 Supertanker was a Boeing 747 converted into an aerial firefighting tanker. It could carry up to 19,200 U.S. gallons of water or fire retardant, the largest load of any… - [A Step Up (DD-341)](https://detailenjoyer.com/case/a-step-up/index.md): Stairs began as steps cut into hillsides and rock. Romans built more elaborate stairs with stone and concrete; medieval castles used spiral staircases, which tradition says… - [Leech Gourmet (DD-342)](https://detailenjoyer.com/case/leech-gourmet/index.md): Not all leeches drink blood. Some land and freshwater leeches are predators that hunt earthworms and other invertebrates, seizing prey and swallowing it whole or sucking out its… - [JUMP! (DD-343)](https://detailenjoyer.com/case/jump/index.md): Peacock spiders (genus Maratus) are tiny Australian jumping spiders, most only about 4 to 6 millimeters long. Males raise a brightly colored flap on the abdomen, like a peacock's… - [Red Cat | Oil Rig (DD-344)](https://detailenjoyer.com/case/red-cat-oil-rig/index.md): When copper metal is placed in silver nitrate solution, copper atoms lose electrons and enter solution as copper(II) ions, turning it blue, while silver ions gain electrons and… - [Sudsy (DD-345)](https://detailenjoyer.com/case/sudsy/index.md): Soap is made by saponification, reacting fats or oils with a strong base to make fatty acid salts and glycerol. Each soap molecule has a water-attracting head and an… - [Mach Madness (DD-346)](https://detailenjoyer.com/case/mach-madness/index.md): When a jet flies fast through humid air, air pressure and temperature drop over the wings and around the airframe, and water vapor condenses into a visible cloud, often called a… - [Shatter & Collide (DD-347)](https://detailenjoyer.com/case/shatter-and-collide/index.md): A spinning disc is stretched by rotational stress that grows with speed. Polycarbonate CDs are built for drive speeds up to roughly 10,000 rpm; beyond their limits, or when… - [The Golden Ellipse (DD-348)](https://detailenjoyer.com/case/the-golden-ellipse/index.md): Patek Philippe introduced the Golden Ellipse watch in 1968, with a case shaped between an oval and a rectangle based on the golden ratio. The Reel describes making its bracelet:… - [Hyalophora cecropia (DD-349)](https://detailenjoyer.com/case/hyalophora-cecropia/index.md): The cecropia moth (Hyalophora cecropia) is North America's largest native moth, with a wingspan of up to about 6 inches (15 cm), sometimes more. It belongs to the family… - [The Harvest (DD-350)](https://detailenjoyer.com/case/the-harvest/index.md): A combine harvester cuts crops such as wheat, corn and soybeans and separates grain from chaff, while forage harvesters chop whole plants. Trucks or tractor-drawn carts drive… - [Cliffside Honey Heist (DD-351)](https://detailenjoyer.com/case/cliffside-honey-heist/index.md): In mountainous parts of China, Nepal and elsewhere in Asia, honey hunters harvest wild honeycombs from colonies on steep cliffs, often those of giant honeybees. The Reel… - [Propping Up the Coastline! (DD-352)](https://detailenjoyer.com/case/propping-up-the-coastline/index.md): Mangroves grow along tropical and subtropical coasts. Their tangled above-ground prop roots and dense vegetation create friction that slows water and absorbs wave energy,… - [Supercar Spitting (DD-353)](https://detailenjoyer.com/case/supercar-spitting/index.md): Flames from a car's exhaust come from unburned fuel igniting in the hot exhaust system. It happens most when a driver lifts off the throttle or shifts hard, and some performance… - [To Bill a Mogging Bird (DD-354)](https://detailenjoyer.com/case/to-bill-a-mogging-bird/index.md): The shoebill (Balaeniceps rex) is a large, stork-like wading bird of central and eastern African swamps, in countries including Uganda, Zambia, South Sudan and the Democratic… - [The Hyperion Sled (DD-355)](https://detailenjoyer.com/case/the-hyperion-sled/index.md): Philip Bono, an engineer at Douglas Aircraft, proposed Hyperion in the 1960s as a reusable single-stage launcher. It would ride a rocket-powered sled along a long track to gain… - [Computer Wave Control (DD-356)](https://detailenjoyer.com/case/computer-wave-control/index.md): A standing wave forms when two waves of equal amplitude and frequency travel in opposite directions and interfere. Points that never move are nodes and points of maximum motion… - [Woolly Monkeys (DD-357)](https://detailenjoyer.com/case/woolly-monkeys/index.md): Woolly monkeys (genus Lagothrix) live in the rainforests of northwestern South America, including Colombia, Ecuador, Peru and Brazil. Their thick, woolly fur ranges from brown to… - [DANGEROUSLY Reactive (DD-358)](https://detailenjoyer.com/case/dangerously-reactive/index.md): Aluminum reacts vigorously with liquid bromine, often after a short delay while the metal's oxide layer is breached. The highly exothermic reaction produces sparks, flames and… - [Earth Movers I (DD-359)](https://detailenjoyer.com/case/earth-movers-i/index.md): The Caterpillar 793F is an off-highway haul truck for mining and large construction projects, with a payload class of about 250 short tons (roughly 227 metric tons). Its large… - [Thrust (DD-360)](https://detailenjoyer.com/case/thrust/index.md): NASA's Space Shuttle, flown from 1981 to 2011, launched on two solid rocket boosters and three main engines. The Reel puts total liftoff thrust at about 7.8 million pounds: about… - [Blue/Green (DD-361)](https://detailenjoyer.com/case/blue-green/index.md): When aluminum is added to copper sulfate solution with hydrochloric acid, the acid strips aluminum's oxide layer and aluminum displaces copper in a vigorous, heat-releasing… - [Eggs, Anyone? (DD-362)](https://detailenjoyer.com/case/eggs-anyone/index.md): Mosquitoes lay eggs in or near standing or slow-moving water, where larvae develop. Some genera, such as Culex, lay eggs in floating clusters called rafts, while others, like… - [Towering Tower (DD-363)](https://detailenjoyer.com/case/towering-tower/index.md): East Pacific Center Tower A in Shenzhen, completed in 2013, is about 306 meters (1,004 feet) tall and contains apartments within a mixed-use complex. The Reel calls it China's… - [Firefighting Drones (DD-364)](https://detailenjoyer.com/case/firefighting-drones/index.md): Firefighting drones are uncrewed aircraft that give crews aerial views, use infrared and thermal cameras to find hotspots and map fire spread, and in some designs spray water,… - [Red Hot Calipers (DD-365)](https://detailenjoyer.com/case/red-hot-calipers/index.md): Braking converts a car's kinetic energy into heat through friction between pads and rotors. In racing, repeated hard stops can heat rotors to well over 1,000 degrees Fahrenheit… - [Helicopter Chainsaws (DD-366)](https://detailenjoyer.com/case/helicopter-chainsaws/index.md): Aerial saws are rigs of about ten circular saw blades on a long vertical boom hanging below a helicopter. Pilots fly them along power line corridors and roads to trim branches,… - [Garbage Water (DD-367)](https://detailenjoyer.com/case/garbage-water/index.md): Trash traps such as floating booms, trash racks and mesh screens are installed in rivers, canals, storm drains and outfalls to catch plastics and debris before they reach larger… - [Cotton Conveyors (DD-368)](https://detailenjoyer.com/case/cotton-conveyors/index.md): Cotton module trucks carry large compressed modules of seed cotton from fields to gins. Their beds have built-in chain conveyors and tilt, so they can pick up a module from the… - [Urban Flood Control (DD-369)](https://detailenjoyer.com/case/urban-flood-control/index.md): Urban flooding happens when heavy rain overwhelms a city's drainage. Impermeable surfaces such as concrete, asphalt and rooftops keep water from soaking into the soil, so runoff… - [Maeklong Market (DD-370)](https://detailenjoyer.com/case/maeklong-market/index.md): The Maeklong Railway Market in Samut Songkhram Province, Thailand, sits on the tracks of the Maeklong Railway. When a train approaches, vendors fold their awnings and pull goods… - [Gassy Accidents (DD-371)](https://detailenjoyer.com/case/gassy-accidents/index.md): Trucks carry natural gas either compressed (CNG) in high-pressure cylinders or liquefied (LNG) in insulated tanks at about minus 162 degrees Celsius. Tanks are built to withstand… - [Water in the Desert (DD-372)](https://detailenjoyer.com/case/water-in-the-desert/index.md): Desert sand is loose and porous, with large gaps between grains, so water infiltrates quickly. It sinks until it reaches less permeable layers such as clay or bedrock; some can… - [A Little Crowded (DD-373)](https://detailenjoyer.com/case/a-little-crowded/index.md): In Bangladesh, demand for rail travel peaks around holidays such as Eid, when many people return to their home districts. Trains become so crowded that passengers ride on roofs… - [Delta IV Heavy (DD-374)](https://detailenjoyer.com/case/delta-iv-heavy/index.md): The Delta IV Heavy, built by United Launch Alliance, used three Common Booster Cores burning liquid hydrogen and oxygen. It could lift about 28,800 kilograms to low Earth orbit… - [Wakey Wakey (DD-375)](https://detailenjoyer.com/case/wakey-wakey/index.md): A dormant volcano has not erupted in a long time but could again. It can reawaken when new magma rises into its plumbing, when gases build pressure in the chamber, or when… - [Quarrels With Quarrying? (DD-376)](https://detailenjoyer.com/case/quarrels-with-quarrying/index.md): Decorative stones such as marble and onyx are quarried with diamond wire saws and other precision cutters to free large, undamaged blocks. Shale, used for cement and bricks, is… - [Leafy Sheep (DD-377)](https://detailenjoyer.com/case/leafy-sheep/index.md): Costasiella kuroshimae, nicknamed the leaf sheep, is a sea slug about 5 millimeters long found in shallow waters around Japan, Indonesia and the Philippines. Its back is covered… - [Imposter Crab (DD-378)](https://detailenjoyer.com/case/imposter-crab/index.md): Imitation crab is made from surimi: white fish, often Alaska pollock, is minced and washed to remove fat and impurities, leaving a protein paste. The paste is mixed with starch,… - [Sanctuary of Truth (DD-379)](https://detailenjoyer.com/case/sanctuary-of-truth/index.md): The Sanctuary of Truth in Pattaya, Thailand, is a carved wooden structure about 105 meters tall, built with wooden joinery rather than metal nails. Thai businessman Lek… - [433 Eros (DD-380)](https://detailenjoyer.com/case/433-eros/index.md): 433 Eros is a near-Earth asteroid about 34 by 11 by 11 kilometers, discovered in 1898. NASA's NEAR Shoemaker spacecraft orbited it in 2000 and landed on it on February 12, 2001,… - [The Dulla (DD-381)](https://detailenjoyer.com/case/the-dulla/index.md): The dulla is a male dromedary camel's soft palate, which he inflates and pushes out of the side of his mouth as a pink, balloon-like sac during the rutting season. It comes with… - [nICE (DD-382)](https://detailenjoyer.com/case/nice/index.md): Commercial ice plants freeze large blocks in molds, lift them out with cranes or conveyors, and cut them with industrial bandsaws or cutting machines into smaller blocks, cubes… - [Button Bashing (DD-383)](https://detailenjoyer.com/case/button-bashing/index.md): Buttons are made from plastic, metal, wood, shell or fabric. Plastic buttons are usually injection molded or cut from cast sheets, and metal buttons are stamped from sheet metal.… - [The Nozzle Knows (DD-384)](https://detailenjoyer.com/case/the-nozzle-knows/index.md): Soft gelato and soft-serve machines freeze and aerate the mix, then dispense it through a nozzle that sets the portion and shape. Nozzles are usually stainless steel for hygiene… - [Lunar Topography (DD-385)](https://detailenjoyer.com/case/lunar-topography/index.md): The Moon's craters were made by impacts of asteroids, comets and meteoroids over billions of years. Many large basins date to an early period of heavy bombardment, sometimes… - [Ultrasonification (DD-386)](https://detailenjoyer.com/case/ultrasonification/index.md): Ultrasonic cleaners send high-frequency sound through water or a cleaning solution, creating microscopic bubbles that form and collapse, a process called cavitation. The… - [SonoShine (DD-387)](https://detailenjoyer.com/case/sonoshine/index.md): Sonoluminescence is the emission of brief flashes of light from bubbles in a liquid driven by intense sound. The sound's pressure swings make bubbles grow and then collapse… - [Clouds From the Ground (DD-388)](https://detailenjoyer.com/case/clouds-from-the-ground/index.md): Cloud seeding adds particles such as silver iodide or salt to clouds so water vapor condenses or freezes on them, potentially increasing rain or snow. Ground-based generators… - [A Look Inside (DD-389)](https://detailenjoyer.com/case/a-look-inside/index.md): Decapping removes the plastic or ceramic package from an integrated circuit such as a RAM chip to expose the silicon die. It is usually done with hot acids such as fuming nitric… - [MUD (DD-390)](https://detailenjoyer.com/case/mud/index.md): Mudflows are fast-moving mixtures of water, mud and debris that pour downhill when loose soil becomes saturated, often after heavy rain, during volcanic eruptions (lahars), or… - [Fire & Ice (DD-391)](https://detailenjoyer.com/case/fire-and-ice/index.md): When lava, at temperatures that can exceed 1,100 to 1,200 degrees Celsius, flows onto snow, the snow melts and flashes to steam. The lava's crust and the steam layer slow heat… - [A Little Off the Top (DD-392)](https://detailenjoyer.com/case/a-little-off-the-top/index.md): Oil skimmers remove oil floating on water. Many use a belt, disc, drum or tube made of material that oil clings to more than water; as it moves through the surface the oil… - [striking! (DD-393)](https://detailenjoyer.com/case/striking/index.md): A 2020 study estimated that about 17 meteorites, totaling some 6,100 a year, reach Earth's surface daily, most in oceans or remote areas. Over about 4.5 billion years, impacts… - [Acoustic Levitation (DD-394)](https://detailenjoyer.com/case/acoustic-levitation/index.md): In acoustic levitation, ultrasonic transducers send sound toward a reflector or an opposing transducer, creating a standing wave with alternating high- and low-pressure regions.… - [Blood Destruction (DD-395)](https://detailenjoyer.com/case/blood-destruction/index.md): Malaria is caused by Plasmodium parasites carried by female Anopheles mosquitoes. When an infected mosquito bites, parasites in its saliva travel to the liver, multiply, then… - [We Are Condensed Energy (DD-396)](https://detailenjoyer.com/case/we-are-condensed-energy/index.md): Albert Einstein's 1905 equation E = mc² states that mass and energy are equivalent, linked by the square of the speed of light. Ordinary matter is made of protons, neutrons and… - [Spores Galore! (DD-397)](https://detailenjoyer.com/case/spores-galore/index.md): Mushrooms are the reproductive bodies of fungi. They release microscopic spores from gills, pores or spines under the cap; many species actively launch spores a tiny distance,… - [ICECORE (DD-398)](https://detailenjoyer.com/case/icecore/index.md): Ice cores are long cylinders drilled from glaciers and ice sheets, some from depths of more than 3,000 meters. Snow builds up in yearly layers, and air bubbles trapped in the ice… - [I'd Pick You (DD-399)](https://detailenjoyer.com/case/id-pick-you/index.md): To study what lava is made of, volcanologists collect samples from active flows with long-handled metal picks, hammers or scoops, often quenching the sample in water to preserve… - [The Titanpointe (DD-400)](https://detailenjoyer.com/case/the-titanpointe/index.md): The AT&T Long Lines Building at 33 Thomas Street in Manhattan is a 550-foot (168 m) windowless brutalist tower completed in 1974, designed by John Carl Warnecke & Associates to… - [Gassy Accidents II (DD-401)](https://detailenjoyer.com/case/gassy-accidents-ii/index.md): On the evening of January 1, 2024, gas leaked during the filling of a bulk truck at an LPG charging station in Pyeongchang County, Gangwon Province, South Korea, and exploded.… - [Old-Timey Laundry (DD-402)](https://detailenjoyer.com/case/old-timey-laundry/index.md): Before electric washers spread in the 20th century, many households used hand-cranked or lever-operated machines with wooden tubs and internal paddles or dollies that agitated… - [Spreading Seeds (DD-403)](https://detailenjoyer.com/case/spreading-seeds/index.md): In January 2022, Brazilian skydiver Luigi Cani jumped over a deforested area near Novo Aripuanã in Brazil's Amazonas state and released about 100 million seeds of 27 native tree… - [Hazardous Working Conditions (DD-404)](https://detailenjoyer.com/case/hazardous-working-conditions/index.md): Falls from height are among the leading causes of death in construction worldwide. The Reel describes skyscraper sites where weak regulation, limited training and missing… - [Tesla's Coil (DD-405)](https://detailenjoyer.com/case/teslas-coil/index.md): A Tesla coil is a resonant transformer invented by Nikola Tesla around 1891. A capacitor discharges through a primary coil of a few turns, and the oscillating magnetic field… - [Enter Sion (DD-406)](https://detailenjoyer.com/case/enter-sion/index.md): Sion Airport (LSGS) lies in the Rhône Valley in Switzerland's canton of Valais, surrounded by high Alpine terrain. According to the Reel, its instrument approach to Runway 25… - [Acid Rust Removal (DD-407)](https://detailenjoyer.com/case/acid-rust-removal/index.md): Rust is iron oxide. Acids, from mild citric or phosphoric acid to strong hydrochloric (muriatic) acid, react with it and dissolve it, leaving bare metal; in industry this is… - [AI Surgery (DD-408)](https://detailenjoyer.com/case/ai-surgery/index.md): Robot-assisted surgery systems such as the da Vinci Surgical System let a surgeon at a console control robotic arms that hold instruments and a 3D camera, scaling down hand… - [Snowplower (DD-409)](https://detailenjoyer.com/case/snowplower/index.md): Railroads use several types of snow-clearing equipment. Wedge plows push snow to either side, rotary plows use a spinning bladed wheel to cut deep drifts and hurl snow away, and… - [Baffling (DD-410)](https://detailenjoyer.com/case/baffling/index.md): Baffle blocks are concrete blocks set in spillways, canals, chutes and stilling basins to break up fast flows. They create turbulence that dissipates the water's energy and slows… - [Tanking Railways (DD-411)](https://detailenjoyer.com/case/tanking-railways/index.md): Armies often move tanks over long distances by rail, loading them onto heavy-duty flatcars and securing them with chains, straps and wheel or track chocks. Rail moves many… - [Fall Marya (DD-412)](https://detailenjoyer.com/case/fall-marya/index.md): RDS-3, the Soviet Union's third nuclear test, took place on October 18, 1951, at the Semipalatinsk Test Site in present-day Kazakhstan. It was the first Soviet atomic bomb… - [Pump Cavitation (DD-413)](https://detailenjoyer.com/case/pump-cavitation/index.md): Cavitation happens when local pressure in a pump falls below the liquid's vapor pressure, so vapor bubbles form. As the bubbles move into higher-pressure zones they collapse… - [Heavy Flavor, Heavy Flow (DD-414)](https://detailenjoyer.com/case/heavy-flavor-heavy-flow/index.md): Pyroclastic flows are fast-moving currents of hot gas, ash and rock fragments that rush down a volcano's slopes during explosive eruptions. They typically move at about 100… - [Raccoon Wash (DD-415)](https://detailenjoyer.com/case/raccoon-wash/index.md): Raccoons (Procyon lotor) often dabble or dunk food in water. Researchers think this is not cleaning: their front paws are packed with sensitive nerve endings, and wetting them… - [The Chase (DD-416)](https://detailenjoyer.com/case/the-chase/index.md): Police vehicle pursuits in the United States can end in fatal crashes. The Reel cites at least 3,336 deaths from 2017 to 2022, nearly two a day, and says about 27% were… - [Self-Parking Chairs (DD-417)](https://detailenjoyer.com/case/self-parking-chairs/index.md): In February 2016, Nissan showed the Intelligent Parking Chair, an office chair that rolls itself back to its place at a table when someone claps. Based on its cars'… - [Insect Murder Mesh (DD-418)](https://detailenjoyer.com/case/insect-murder-mesh/index.md): A bug zapper uses a transformer to charge an inner wire grid to a high voltage. Ultraviolet light or bait attracts insects; when one bridges the gap between grid wires, current… - [Advanced Bicycle Riding II (DD-419)](https://detailenjoyer.com/case/advanced-bicycle-riding-ii/index.md): Snow biking covers riding bicycles on snow, mostly on fat bikes with tires about 4 to 5 inches wide run at low pressure for grip and flotation. Ski bikes or skibobs replace one… - [Rabies Crazies (DD-420)](https://detailenjoyer.com/case/rabies-crazies/index.md): Rabies is a viral infection usually spread by bites or scratches from infected animals. The virus travels along peripheral nerves to the brain, where it causes encephalitis.… - [Turbine Troubles (DD-421)](https://detailenjoyer.com/case/turbine-troubles/index.md): Before certification, jet engines go through destructive tests. In a fan blade-out test, a blade is released at full power with a small explosive charge, and the casing must… - [Jellyfish Delicious (DD-422)](https://detailenjoyer.com/case/jellyfish-delicious/index.md): Sea turtles, especially leatherbacks (Dermochelys coriacea), eat jellyfish. Leatherbacks have sharp, scissor-like jaws, and their mouths and throats are lined with… - [Rolling Steel (DD-423)](https://detailenjoyer.com/case/rolling-steel/index.md): Plate rolling bends flat steel into curves and cylinders. In a common three-roll machine, two lower rollers support the plate while an upper roller presses down, and the plate is… - [Hose Goals (DD-424)](https://detailenjoyer.com/case/hose-goals/index.md): Firefighters can use a wide fog pattern from a hose as a protective water curtain. Fine droplets absorb heat, especially as they turn to steam, cool nearby surfaces and block… - [Air Burst Sorting (DD-425)](https://detailenjoyer.com/case/air-burst-sorting/index.md): Optical sorters feed items along a belt or chute past cameras or sensors that judge color, shape or material. When an item matches the rejection rule, a precisely timed burst… - [From the Depths (DD-426)](https://detailenjoyer.com/case/from-the-depths/index.md): The viper dogfish (Trigonognathus kabeyai) is a small, rarely seen deep-sea shark of the Pacific, recorded off Japan and Hawaii. It has long, fang-like teeth and jaws that can… - [Bone Eater (DD-427)](https://detailenjoyer.com/case/bone-eater/index.md): The bearded vulture (Gypaetus barbatus) lives in mountains of Europe, Africa and Asia and feeds mainly on bones, which can make up 70 to 90 percent of its diet. Its very acidic… - [Desert Express (DD-428)](https://detailenjoyer.com/case/desert-express/index.md): Railways across deserts such as the Sahara, the Arabian Peninsula and the Australian outback carry freight and ore across arid regions but face blowing, abrasive sand. Lines may… - [Seems Familiar (DD-429)](https://detailenjoyer.com/case/seems-familiar/index.md): Researchers place mice and rats in virtual reality setups, typically with the animal on a treadmill or floating ball surrounded by screens that update as it walks. Because the… - [Shanghai (DD-430)](https://detailenjoyer.com/case/shanghai/index.md): Shanghai, on China's east coast where the Yangtze River meets the East China Sea, has about 24 million residents and is a major center of finance and trade. It grew as an… - [Varnish Vanishing (DD-431)](https://detailenjoyer.com/case/varnish-vanishing/index.md): Varnish protects paintings and saturates their colors, but natural resin varnishes yellow and darken with age. Conservators test solvents on small, hidden areas, then roll swabs… - [Naturally Selected (DD-432)](https://detailenjoyer.com/case/naturally-selected/index.md): Storks often lay several eggs that hatch days apart, so chicks differ in size. When food is scarce, parents may kill or eject the weakest chick, focusing care on those most… - [Leech Gourmet II (DD-433)](https://detailenjoyer.com/case/leech-gourmet-ii/index.md): Not all leeches are small blood-sippers. Some large leeches prey on amphibians such as frogs in rainforests and freshwater, latching on with their muscular, suckered bodies and… - [Garbage Water II (DD-434)](https://detailenjoyer.com/case/garbage-water-ii/index.md): Autonomous river-cleaning robots are small boats that navigate waterways on their own, using sensors, cameras and software to spot floating plastic and debris, scoop it into… - [Cerastes Cerastes (DD-435)](https://detailenjoyer.com/case/cerastes-cerastes/index.md): The Saharan horned viper (Cerastes cerastes) is a venomous snake of the deserts of North Africa and parts of the Middle East. Many individuals have a horn-like scale above each… - [Angel of Death (DD-436)](https://detailenjoyer.com/case/angel-of-death/index.md): The Lockheed AC-130 is a heavily armed ground-attack variant of the C-130 Hercules transport, first used by the U.S. Air Force during the Vietnam War in the late 1960s. Like many… - [Drone Swarms (DD-437)](https://detailenjoyer.com/case/drone-swarms/index.md): A drone swarm is a group of drones that coordinate through algorithms and wireless links, sharing data in real time to keep formation, divide tasks or adapt to changes. Swarms… - [Articulated Prosthesis (DD-438)](https://detailenjoyer.com/case/articulated-prosthesis/index.md): Articulated prosthetic hands have multiple jointed fingers to mimic a natural hand. Many are myoelectric: electrodes on the skin pick up electrical signals from muscles in the… - [PandaPandaPanda (DD-439)](https://detailenjoyer.com/case/pandapandapanda/index.md): Giant pandas (Ailuropoda melanoleuca) eat almost nothing but bamboo, which is low in nutrients, so they eat a lot of it: roughly 12 to 38 kilograms (26 to 84 pounds) a day,… - [Print Your Home (DD-440)](https://detailenjoyer.com/case/print-your-home/index.md): Construction 3D printing uses large gantry or robotic-arm printers to extrude concrete or similar mixes layer by layer, building walls directly from a digital design. Printing… - [OverGrowth UnderPass (DD-441)](https://detailenjoyer.com/case/overgrowth-underpass/index.md): Cities cover concrete walls, pillars and underpasses with climbing plants, vertical gardens and green walls. Plants such as ivy and creeping fig tolerate shade and urban… - [Painting Rubik (DD-442)](https://detailenjoyer.com/case/painting-rubik/index.md): The Rubik's Cube, invented by Ernő Rubik in 1974, has 54 colored facets on its six faces. Classic cubes used colored vinyl stickers, which can peel and fade, while many modern… - [Blood Beach (DD-443)](https://detailenjoyer.com/case/blood-beach/index.md): Hormuz Island in Iran's part of the Persian Gulf is known for red soil and sand rich in iron oxide, mainly hematite, which washes onto its beaches and colors the surf red. Locals… - [FREEZING (DD-444)](https://detailenjoyer.com/case/freezing/index.md): When water cools below 0 °C (32 °F), its molecules lock into a hexagonal crystal lattice held by hydrogen bonds, each molecule bonded to four neighbors. The lattice is more open… - [Gummi (DD-445)](https://detailenjoyer.com/case/gummi/index.md): When potassium chlorate is melted, it decomposes and releases oxygen. Dropping in a gummy bear, mostly sugar, sets off a violent, highly exothermic combustion with bright… - [Full-Flow (DD-446)](https://detailenjoyer.com/case/full-flow/index.md): Full-flow staged combustion is a rocket engine cycle in which all of the fuel and all of the oxidizer pass through separate preburners that drive the turbopumps, then enter the… - [Laser Rust Removal (DD-447)](https://detailenjoyer.com/case/laser-rust-removal/index.md): Laser rust removal uses short, intense laser pulses to heat and ablate rust, paint and grime, which absorb the light more than the bare metal beneath. It is non-contact, precise… - [Root of the Problem (DD-448)](https://detailenjoyer.com/case/root-of-the-problem/index.md): Root canal treatment addresses infection or damage in a tooth's pulp, the soft tissue with nerves and blood vessels. A dentist removes the pulp, cleans, shapes and disinfects the… - [Network Earth (DD-449)](https://detailenjoyer.com/case/network-earth/index.md): Submarine communications cables carry the vast majority of international data, the Reel says about 95 percent. Hair-thin optical fibers carry data as light, wrapped in layers of… - [Rotary Wrecking (DD-450)](https://detailenjoyer.com/case/rotary-wrecking/index.md): Chimney sweeps and relining crews remove old clay flue tiles and mortar with rotary tools lowered down the flue on rods or cables. A motor spins chains or carbide- or… - [Proton-M (DD-451)](https://detailenjoyer.com/case/proton-m/index.md): Proton-M is a Russian heavy-lift rocket. On July 2, 2013, one carrying three GLONASS navigation satellites veered off course right after liftoff from Baikonur and crashed;… - [Komodo (DD-452)](https://detailenjoyer.com/case/komodo/index.md): Komodo dragons (Varanus komodoensis), the largest living lizards, have loosely jointed, flexible jaws, expandable throats and stretchy stomachs, so they can swallow large chunks… - [Freeloader Fish (DD-453)](https://detailenjoyer.com/case/freeloader-fish/index.md): Juvenile trevally and some filefish shelter in or beneath jellyfish bells, using the stinging tentacles as a shield against predators and picking off food the jellyfish has… - [Seeing Things Differently (DD-454)](https://detailenjoyer.com/case/seeing-things-differently/index.md): Laser vision correction aims to reduce dependence on glasses or contacts by reshaping the cornea. The main procedures are LASIK (laser-assisted in situ keratomileusis), PRK… - [Alaska Airlines 261 (DD-455)](https://detailenjoyer.com/case/alaska-airlines-261/index.md): On January 31, 2000, Alaska Airlines Flight 261, a McDonnell Douglas MD-83 flying from Puerto Vallarta, Mexico, toward San Francisco and Seattle, crashed into the Pacific Ocean… - [Siphonophoria (DD-456)](https://detailenjoyer.com/case/siphonophoria/index.md): Siphonophores (order Siphonophorae) are colonial hydrozoans made of specialized zooids that handle tasks like feeding, movement and reproduction while working together as one… - [Burning Rubber (DD-457)](https://detailenjoyer.com/case/burning-rubber/index.md): Tire fires are hard to extinguish because tires are made of flammable rubber, synthetic polymers and steel, and piles trap heat. They can smolder for days, weeks or months,… - [Just a Chill Dog (DD-458)](https://detailenjoyer.com/case/just-a-chill-dog/index.md): Siberian Huskies cope with cold thanks to a thick double coat: water- and snow-repelling guard hairs over a dense, insulating undercoat. Furred paws with tough pads resist… - [Luminol Lux (DD-459)](https://detailenjoyer.com/case/luminol-lux/index.md): Luminol is a chemical used by forensic investigators to find traces of blood. Mixed with an oxidizer such as hydrogen peroxide, it reacts in the presence of the iron in… - [A Puzzle for Ants (DD-460)](https://detailenjoyer.com/case/a-puzzle-for-ants/index.md): Ant colonies solve problems such as finding food, building nests and moving large objects without a leader. Each ant follows simple rules and responds to pheromone trails, touch… - [Video Trickery II (DD-461)](https://detailenjoyer.com/case/video-trickery-ii/index.md): A camera records a series of still frames at a set frame rate. If a helicopter's blades rotate by exactly one blade spacing, or a whole turn, between frames, each frame catches… - [Art Is an Explosion (DD-462)](https://detailenjoyer.com/case/art-is-an-explosion/index.md): In 2006, Sony advertised its Bravia high-definition TVs with Paint, a commercial under the slogan Color Like No Other. It was filmed in the Toryglen area of Glasgow, Scotland,… - [Canadian Super Scooper (DD-463)](https://detailenjoyer.com/case/canadian-super-scooper/index.md): The Canadair CL-415, nicknamed the Super Scooper, is an amphibious firefighting aircraft built by Canadair and later Bombardier. It scoops about 6,137 liters (1,621 U.S. gallons)… - [Black Hole Binary (DD-464)](https://detailenjoyer.com/case/black-hole-binary/index.md): A supermassive black hole binary forms after two galaxies merge and their central black holes sink toward the middle and orbit each other. They spiral closer through interactions… - [Face Creator (DD-465)](https://detailenjoyer.com/case/face-creator/index.md): Facial development begins around the fourth week of pregnancy, when neural crest cells migrate into the head region. The face starts as five tissue swellings, the facial… - [Little Birch Dance (DD-466)](https://detailenjoyer.com/case/little-birch-dance/index.md): Beryozka (also spelled Berezka, Russian for little birch) is a Russian dance troupe of female dancers founded in 1948 by choreographer Nadezhda Nadezhdina. Its signature routines… - [Immune to Cold (DD-467)](https://detailenjoyer.com/case/immune-to-cold/index.md): Siberian Huskies tolerate cold through a double coat of water-repelling guard hairs and an insulating undercoat, furred paws with tough pads, and a countercurrent heat exchange… - [How Water Freezes (DD-468)](https://detailenjoyer.com/case/how-water-freezes/index.md): As water cools below 0 °C (32 °F), hydrogen bonds lock each molecule to four neighbors in a hexagonal lattice. The open, spacious structure makes ice less dense than liquid… - [The Backbone of Modern Electronics (DD-469)](https://detailenjoyer.com/case/the-backbone-of-modern-electronics/index.md): Integrated circuits are built on silicon wafers. In photolithography, a wafer is coated with a light-sensitive photoresist and exposed to ultraviolet light through a mask,… - [Layer by Layer (DD-470)](https://detailenjoyer.com/case/layer-by-layer/index.md): On frozen lakes, ice thickens in layers as cold spells come and go; temperature swings, wind and pressure crack and stack the sheets into ridges and shards. The Reel's captions… - [In Remembrance (DD-471)](https://detailenjoyer.com/case/in-remembrance/index.md): Auschwitz was the largest Nazi German concentration and extermination camp, near Oświęcim in German-occupied Poland. It comprised Auschwitz I, the main camp; Auschwitz… - [Flamboyant Fish (DD-472)](https://detailenjoyer.com/case/flamboyant-fish/index.md): The flamboyant cuttlefish (Metasepia pfefferi) is a small Indo-Pacific cephalopod, not a fish. Its hatchlings emerge from translucent eggs as tiny, fully formed miniatures of the… - [One World Trade Center (DD-473)](https://detailenjoyer.com/case/one-world-trade-center/index.md): One World Trade Center in Lower Manhattan is the tallest building in the Western Hemisphere, reaching a symbolic 1,776 feet (541 meters) including its spire, a nod to 1776. It is… - [Go for a Spin (DD-474)](https://detailenjoyer.com/case/go-for-a-spin/index.md): SpinLaunch is a U.S. company developing a kinetic launch system: a vacuum-sealed centrifuge spins a payload on an arm to hypersonic speed and releases it upward, aiming to cut… - [Praise the Sun! (DD-475)](https://detailenjoyer.com/case/praise-the-sun/index.md): The heliosphere is the vast bubble of solar wind, the stream of charged particles emitted by the Sun, that extends outward past the planets until it meets the interstellar medium… - [Flame Control (DD-476)](https://detailenjoyer.com/case/flame-control/index.md): Controlled or prescribed burns are fires set deliberately and carefully managed by trained crews. They clear dead vegetation and underbrush, restore fire-adapted ecosystems and… - [Kestrel Stability (DD-477)](https://detailenjoyer.com/case/kestrel-stability/index.md): Kestrels are small falcons famous for hovering while hunting. According to the Reel, falcons get their flight stability from long, pointed wings that reduce drag for fast dives… - [Capsule Core (DD-478)](https://detailenjoyer.com/case/capsule-core/index.md): Most automatic fire sprinkler heads are held closed by a glass bulb filled with a heat-sensitive liquid, or by a fusible metal link. When the surrounding air reaches the rated… - [Bubble Blowing (DD-479)](https://detailenjoyer.com/case/bubble-blowing/index.md): A bubble ring is a vortex ring of rotating water with air trapped in its core. When two collide, their vortices interact: head-on rings may briefly merge before breaking into… - [Black Hawk (DD-480)](https://detailenjoyer.com/case/black-hawk/index.md): The Sikorsky UH-60 Black Hawk is a four-blade, twin-engine, medium-lift utility helicopter introduced by the U.S. Army in 1979 and used by many allied forces. Roles include troop… - [Executive Orders (DD-481)](https://detailenjoyer.com/case/executive-orders/index.md): An executive order is a directive from the U.S. president that manages operations of the federal government. It does not need congressional approval but must rest on the… - [DEI (DD-482)](https://detailenjoyer.com/case/dei/index.md): Diversity, equity and inclusion (DEI) refers to organizational policies and programs. As the Reel defines them, diversity concerns representation across groups such as race, age… - [H-1B Visas (DD-483)](https://detailenjoyer.com/case/h-1b-visas/index.md): The H-1B is a U.S. nonimmigrant visa for workers in specialty occupations such as technology, engineering, finance and healthcare. An employer sponsors the worker; the visa is… - [Bismuth Bound (DD-484)](https://detailenjoyer.com/case/bismuth-bound/index.md): Bismuth is one of the most strongly diamagnetic elements: it creates a weak magnetic field opposing an applied one. Placed near a strong neodymium magnet, pieces of bismuth can… - [Levels to This (DD-485)](https://detailenjoyer.com/case/levels-to-this/index.md): Automated parking systems move cars with mechanical lifts, shuttles or robotic platforms and stack them on multiple levels. With no ramps or driving lanes, they fit more vehicles… - [The Gulf (DD-486)](https://detailenjoyer.com/case/the-gulf/index.md): The Gulf of Mexico is an ocean basin bordered by the United States, Mexico and Cuba, covering about 615,000 square miles (1.6 million km2). It holds major oil and gas reserves… - [MAiD (DD-487)](https://detailenjoyer.com/case/maid/index.md): Medical assistance in dying (MAiD) is legal in several jurisdictions, including Canada, Belgium and the Netherlands, and some U.S. states, where it is usually limited to… - [On ICE (DD-488)](https://detailenjoyer.com/case/on-ice/index.md): U.S. Immigration and Customs Enforcement (ICE) is a federal agency within the Department of Homeland Security, created in 2003 after the Immigration and Naturalization Service… - [The Cities of Tomorrow (DD-489)](https://detailenjoyer.com/case/the-cities-of-tomorrow/index.md): Smart cities use connected sensors (the Internet of Things), data analytics, artificial intelligence and automation to manage infrastructure, transportation, energy and public… - [Why So Sirius? (DD-490)](https://detailenjoyer.com/case/why-so-sirius/index.md): Sirius, also called the Dog Star in the constellation Canis Major, is the brightest star in the night sky, about 8.6 light-years away. It is a binary: Sirius A, a hot… - [Frozen Gators (DD-491)](https://detailenjoyer.com/case/frozen-gators/index.md): When temperatures drop, American alligators (Alligator mississippiensis) enter brumation, a reptile dormancy in which metabolism slows sharply. In freezing water they may keep… - [Lens Crafter (DD-492)](https://detailenjoyer.com/case/lens-crafter/index.md): Contact lenses are made by cast molding, spin casting or lathe cutting; the Reel also mentions 3D printing. Rigid gas permeable (RGP) and custom lenses are often lathed from a… - [Air Condor (DD-493)](https://detailenjoyer.com/case/air-condor/index.md): Andean and California condors have wingspans of up to about 3 meters (10 feet). They ride thermals, columns of warm air rising from sun-heated ground and slopes, and ridge lift… - [Retarred Roads (DD-494)](https://detailenjoyer.com/case/retarred-roads/index.md): Road resurfacing (re-tarring, as the title puts it) restores pavement by adding a new asphalt layer. Crews assess cracks and potholes, clean and repair the surface, spray a tack… - [Disk Jets (DD-495)](https://detailenjoyer.com/case/disk-jets/index.md): Gas and even shredded stars spiraling toward a black hole form an accretion disk that heats through friction and glows. Magnetic fields threading the disk can launch relativistic… - [Project Orion (DD-496)](https://detailenjoyer.com/case/project-orion/index.md): Project Orion was a U.S. study from 1958 to 1965, led at General Atomics, of nuclear pulse propulsion: small nuclear explosions behind a spacecraft would strike a large pusher… - [The Plunge (DD-497)](https://detailenjoyer.com/case/the-plunge/index.md): When young penguins first go to sea, they gather at the water's edge and hesitate, partly because predators such as leopard seals and orcas may be waiting. Once one jumps, others… - [Sea Dragon (DD-498)](https://detailenjoyer.com/case/sea-dragon/index.md): Sea Dragon was a 1962 concept for a huge two-stage rocket designed by Robert Truax at Aerojet. It would be built cheaply in a shipyard, towed to sea, ballasted upright and… - [Fire Ball (DD-499)](https://detailenjoyer.com/case/fire-ball/index.md): On Earth, hot gases rise and draw in fresh air, giving flames their familiar teardrop shape. In microgravity there is no buoyant convection, so oxygen reaches the flame only by… - [The Space Perspective (DD-500)](https://detailenjoyer.com/case/the-space-perspective/index.md): Space Perspective, a Florida company, developed Spaceship Neptune, a pressurized capsule lifted by a hydrogen balloon to about 100,000 feet (30 km), where passengers would see… - [Cycle Country (DD-501)](https://detailenjoyer.com/case/cycle-country/index.md): The Netherlands is known for cycling infrastructure, with about 35,000 kilometers (21,700 miles) of dedicated cycle paths. Dutch cities use separated bike lanes, protected… - [Shifty Periphery (DD-502)](https://detailenjoyer.com/case/shifty-periphery/index.md): Peripheral vision is especially good at detecting motion. The outer retina has a higher share of rod cells, which are very sensitive to light changes and movement, while the… - [Going Up? (DD-503)](https://detailenjoyer.com/case/going-up/index.md): A space elevator is a theoretical structure carrying cargo and people to space on a cable anchored at the equator and extending past geostationary orbit, about 35,786 km (22,236… - [Flame Whirls (DD-504)](https://detailenjoyer.com/case/flame-whirls/index.md): Fire whirls, or fire tornadoes, form when intense heat drives rising air that begins to rotate, often helped by wind shear or terrain, creating a spinning column of flame and hot… - [The Price of Eggs (DD-505)](https://detailenjoyer.com/case/the-price-of-eggs/index.md): Chick culling is the killing of male chicks in the egg industry. Males of laying breeds cannot lay eggs and are not efficient meat birds compared with broilers, so they are… - [Huangluo Village (DD-506)](https://detailenjoyer.com/case/huangluo-village/index.md): In Huangluo village, in Longsheng County in China's Guangxi region, women of the Red Yao, a branch of the Yao people, are known for very long hair, often more than 1.7 meters… - [Old-Timey Laundry (DD-507)](https://detailenjoyer.com/case/old-timey-laundry-ii/index.md): Wringer washers, sold by retailers such as Montgomery Ward in the early to mid-20th century, combined a tub agitated by a hand crank or electric motor with a wringer: two rollers… - [Mk-II Aurora (DD-508)](https://detailenjoyer.com/case/mk-ii-aurora/index.md): The Mk-II Aurora is a small, remotely piloted, reusable suborbital spaceplane built by New Zealand-based Dawn Aerospace. It takes off and lands horizontally on ordinary runways… - [Civil War (DD-509)](https://detailenjoyer.com/case/civil-war/index.md): Captain America: Civil War (2016) began Phase Three of the Marvel Cinematic Universe. The narrator calls it 'Avengers 2.5' and praises its ideological clash between Tony Stark… - [The Sorcerer Supreme (DD-510)](https://detailenjoyer.com/case/the-sorcerer-supreme/index.md): Doctor Strange (2016) introduced the mystic arts to the Marvel Cinematic Universe, with Benedict Cumberbatch as Stephen Strange. The narrator praises its Inception-style city… - [Boosting My EGO (DD-511)](https://detailenjoyer.com/case/boosting-my-ego/index.md): Guardians of the Galaxy Vol. 2 (2017) builds on the first film's colorful visuals, 1980s music and found-family humor. The narrator highlights Peter Quill's relationship with his… - [Homecoming (DD-512)](https://detailenjoyer.com/case/homecoming/index.md): Spider-Man: Homecoming (2017) brought Tom Holland's Peter Parker into his own MCU film, skipping a full origin story in favor of a coming-of-age approach. The on-screen… - [Ragnarok (DD-513)](https://detailenjoyer.com/case/ragnarok/index.md): Thor: Ragnarok (2017), directed by Taika Waititi, shifted the Thor films toward a colorful, comedic, cosmic tone. The narrator praises Chris Hemsworth's comic timing, Loki, Hulk… - [Wakanda Forever (DD-514)](https://detailenjoyer.com/case/wakanda-forever/index.md): Despite its title, the Reel reviews Black Panther (2018), not the 2022 sequel Black Panther: Wakanda Forever. The on-screen commentary praises its Afrofuturist vision of Wakanda,… - [Perfectly Balanced (DD-515)](https://detailenjoyer.com/case/perfectly-balanced/index.md): Avengers: Infinity War (2018) brought a decade of MCU films to a head against Thanos. The narrator calls Thanos the franchise's strongest antagonist, highlights Gamora's death on… - [Ant-Man and the Wasp (DD-516)](https://detailenjoyer.com/case/ant-man-and-the-wasp/index.md): Ant-Man and the Wasp (2018) followed Infinity War with smaller-scale stakes. The narrator praises Paul Rudd's Scott Lang, Evangeline Lilly's Hope van Dyne as the Wasp and the… - [Captain Marvel (DD-517)](https://detailenjoyer.com/case/captain-marvel/index.md): Captain Marvel (2019) was the first MCU film led by a female hero, with Brie Larson as Carol Danvers in a 1990s-set origin story featuring the shape-shifting Skrulls. The… - [On Your Left (DD-518)](https://detailenjoyer.com/case/on-your-left/index.md): Avengers: Endgame (2019) concluded the Infinity Saga after 11 years of films. The narrator highlights the post-snap opening, the time heist through earlier films, and the final… - [Far From Home (DD-519)](https://detailenjoyer.com/case/far-from-home/index.md): Spider-Man: Far From Home (2019) served as the epilogue to Endgame and the Infinity Saga, following Peter Parker on a European school trip as he struggles with Iron Man's legacy.… - [Tesla (DD-520)](https://detailenjoyer.com/case/tesla/index.md): Tesla was founded in 2003 by Martin Eberhard and Marc Tarpenning; Elon Musk led its 2004 funding round, became chairman and later CEO. Its first car, the Roadster, arrived in… - [DOGE (DD-521)](https://detailenjoyer.com/case/doge/index.md): The Department of Government Efficiency (DOGE) was established by executive order on January 20, 2025, by renaming the U.S. Digital Service, with a stated goal of modernizing… - [SpaceX (DD-522)](https://detailenjoyer.com/case/spacex/index.md): SpaceX is a private aerospace company founded by Elon Musk in 2002 with the long-term aim of enabling Mars colonization. It developed the Falcon 9 and Falcon Heavy rockets, whose… - [Cell Death (DD-523)](https://detailenjoyer.com/case/cell-death/index.md): Apoptosis is programmed cell death, a tightly regulated process that removes damaged or unneeded cells. Unlike necrosis, which is uncontrolled and inflammatory, apoptosis is… - [Quenching (DD-524)](https://detailenjoyer.com/case/quenching/index.md): High-frequency induction hardening heats the surface layer of a steel or cast iron part with alternating current in a coil, then rapidly quenches it in water, oil or a polymer… - [Wet Response (DD-525)](https://detailenjoyer.com/case/wet-response/index.md): Fingers and toes wrinkle after soaking because the autonomic nervous system constricts blood vessels under the skin, reducing volume and pulling the skin into folds; it does not… - [Heat Sinks (DD-526)](https://detailenjoyer.com/case/heat-sinks/index.md): Heat sinks draw heat away from electronics through many thin fins that increase surface area. Fins can be made by extruding aluminum profiles, CNC milling, or skiving, in which a… - [Neuralink (DD-527)](https://detailenjoyer.com/case/neuralink/index.md): Neuralink, co-founded by Elon Musk in 2016, develops implantable brain-computer interfaces (BCIs): a small chip with ultra-thin electrode threads that records and can stimulate… - [The Boring Company (DD-528)](https://detailenjoyer.com/case/the-boring-company/index.md): The Boring Company, founded by Elon Musk in 2016, digs tunnels intended to reduce urban traffic. Its Vegas Loop carries passengers in Tesla vehicles through tunnels under the Las… - [Starlink (DD-529)](https://detailenjoyer.com/case/starlink/index.md): Starlink is a satellite internet service from SpaceX that provides broadband to underserved and remote areas. It uses a large constellation of small satellites in low Earth orbit… - [Machine Motors (DD-530)](https://detailenjoyer.com/case/machine-motors/index.md): Precision electric motors such as servo motors, stepper motors and brushless DC (BLDC) motors use microcontrollers, sensors and feedback loops to control speed, torque and… - [Stay Pressed (DD-531)](https://detailenjoyer.com/case/stay-pressed/index.md): Sunflower oil is extracted from seeds by pressing, solvent extraction or both. In cold pressing, a screw (expeller) press squeezes the seeds while keeping temperatures low, the… - [TAKEOFF (DD-532)](https://detailenjoyer.com/case/takeoff/index.md): In ski jumping, athletes slide down an in-run, launch from the take-off and fly as far as possible before landing on a sloped hill. Scores combine distance points with judges'… - [Canadian Moose (DD-533)](https://detailenjoyer.com/case/canadian-moose/index.md): Moose (Alces alces) live across Canada's boreal and mixed forests, wetlands and tundra edges. Large bulls can stand about 2.1 meters (7 feet) at the shoulder and weigh over 600… - [Flying Fishermen II (DD-534)](https://detailenjoyer.com/case/flying-fishermen-ii/index.md): Kingfishers are a worldwide family of brightly colored birds with sharp bills and keen eyesight. Many hunt by perching quietly over water, then diving headfirst to catch small… - [Soros (DD-535)](https://detailenjoyer.com/case/soros/index.md): George Soros is a Hungarian-American investor and philanthropist. He made his fortune in hedge funds, notably the Quantum Fund, and became famous on September 16, 1992 ('Black… - [Zuckerberg (DD-536)](https://detailenjoyer.com/case/zuckerberg/index.md): Mark Zuckerberg co-founded Facebook in 2004 while a student at Harvard and remains CEO of its parent, renamed Meta Platforms in 2021. Under him the company acquired Instagram… - [Fauci (DD-537)](https://detailenjoyer.com/case/fauci/index.md): Anthony Fauci directed the U.S. National Institute of Allergy and Infectious Diseases (NIAID) from 1984 until he stepped down in 2022, and served as chief medical adviser to the… - [Trade Wars (DD-538)](https://detailenjoyer.com/case/trade-wars/index.md): Tariffs are taxes a government places on imported goods, used to raise revenue, protect domestic industries or gain leverage in trade disputes. They can support local producers… - [HHS (DD-539)](https://detailenjoyer.com/case/hhs/index.md): The U.S. Department of Health and Human Services (HHS) protects Americans' health and provides human services. It traces to the Department of Health, Education, and Welfare,… - [Traffic Controls (DD-540)](https://detailenjoyer.com/case/traffic-controls/index.md): Congestion pricing charges drivers a fee to enter or drive in busy urban areas, usually during peak hours, to cut traffic and emissions and encourage public transit. Systems… - [One Small Fall for Man... (DD-541)](https://detailenjoyer.com/case/one-small-fall-for-man/index.md): During the Apollo Moon landings (1969-1972), astronauts sometimes fell over. Lunar gravity is about one-sixth of Earth's, and pressurized suits that protected them from extreme… - [Neutron Binary (DD-542)](https://detailenjoyer.com/case/neutron-binary/index.md): In a binary neutron star system, the stars lose orbital energy by emitting gravitational waves, ripples in spacetime predicted by Einstein's general relativity. Their orbits… - [Rotor Hydraulics (DD-543)](https://detailenjoyer.com/case/rotor-hydraulics/index.md): Helicopter flight controls change the pitch of main and tail rotor blades to manage lift, pitch, roll and yaw. In most larger helicopters, hydraulic actuators using pressurized… - [Tidal Forces (DD-544)](https://detailenjoyer.com/case/tidal-forces/index.md): The Moon's gravity pulls the ocean into a bulge on the side facing it, and a second bulge forms on the far side because the Moon pulls Earth's center more strongly than the far… - [Tesla Bot (DD-545)](https://detailenjoyer.com/case/tesla-bot/index.md): Optimus, also called the Tesla Bot, is a humanoid robot in development at Tesla to handle repetitive or unsafe tasks. Announced in 2021, it was specified at about 5 ft 8 in (173… - [Universal Sizing (DD-546)](https://detailenjoyer.com/case/universal-sizing/index.md): The observable universe spans about 93 billion light-years. Its oldest light has traveled about 13.8 billion years, but expansion has carried those regions much farther away… - [Emerald Boas (DD-547)](https://detailenjoyer.com/case/emerald-boas/index.md): The northern emerald tree boa (Corallus caninus) is a nonvenomous South American rainforest snake, bright green with white zigzag markings. It is ovoviviparous: eggs develop… - [Pendulum Waves (DD-548)](https://detailenjoyer.com/case/pendulum-waves/index.md): A pendulum wave uses a row of pendulums whose lengths are tuned so each swings at a slightly different frequency. Released together, they drift in and out of phase, producing… - [AI Surgery II (DD-549)](https://detailenjoyer.com/case/ai-surgery-ii/index.md): Robotic microsurgery systems assist surgeons with procedures on nerves, blood vessels and eye tissue. They use real-time imaging, motion scaling, which turns large hand movements… - [Lava Land (DD-550)](https://detailenjoyer.com/case/lava-land/index.md): Submarine volcanoes erupt lava, ash and gas that cool quickly in seawater and pile up into seamounts. With repeated eruptions they can break the surface and form islands or… - [Dog Water (DD-551)](https://detailenjoyer.com/case/dog-water/index.md): Dogs can't seal their cheeks to suck, so they curl the tongue tip backward into a ladle, plunge it into the water and pull it out fast, drawing up a column of water by inertia.… - [Robot Parkour (DD-552)](https://detailenjoyer.com/case/robot-parkour/index.md): Atlas is a humanoid robot from Boston Dynamics designed to show advanced mobility: running, jumping, vaulting and even backflips through parkour courses. The hydraulic Atlas was… - [Machine's Best Friend (DD-553)](https://detailenjoyer.com/case/machines-best-friend/index.md): Spot, from Boston Dynamics, is a four-legged robot for autonomous navigation and data collection in difficult environments. Its sensors and cameras let it map surroundings, avoid… - [Thiel (DD-554)](https://detailenjoyer.com/case/thiel/index.md): Peter Thiel, born in 1967 in Frankfurt, West Germany, is a German-American entrepreneur and investor. He co-founded PayPal and was its CEO until eBay acquired it in 2002, made a… - [Andreessen (DD-555)](https://detailenjoyer.com/case/andreessen/index.md): Marc Andreessen, born July 9, 1971, in Cedar Falls, Iowa, co-created the Mosaic web browser while at the University of Illinois. Mosaic, the first widely used graphical browser,… - [Bezos (DD-556)](https://detailenjoyer.com/case/bezos/index.md): Jeff Bezos, born in 1964 in Albuquerque, New Mexico, is an American entrepreneur who founded Amazon. After graduating from Princeton University in 1986 in electrical engineering… - [Laser Weeder (DD-557)](https://detailenjoyer.com/case/laser-weeder/index.md): The LaserWeeder from Carbon Robotics is a tractor-pulled implement that uses cameras and computer vision to identify weeds and kill them with high-powered lasers, with no… - [OTO 76/62 (DD-558)](https://detailenjoyer.com/case/oto-76-62/index.md): The OTO Melara 76 mm/62 is a compact, rapid-fire naval gun designed in Italy by OTO Melara (now part of Leonardo) and in service since 1964. Its automatic loading system and… - [Bacterial Flagellum (DD-559)](https://detailenjoyer.com/case/bacterial-flagellum/index.md): The bacterial flagellum is a whip-like filament driven by a rotary motor at its base, embedded in the cell envelope. The flow of ions, typically protons or sodium ions, across… - [Hurricane Helene (DD-560)](https://detailenjoyer.com/case/hurricane-helene/index.md): Hurricane Helene made landfall in Florida's Big Bend on September 26, 2024, and moved inland, bringing extreme rainfall to the southern Appalachians. Western North Carolina,… - [Granular Flow (DD-561)](https://detailenjoyer.com/case/granular-flow/index.md): In a granular flow, loose and fragmented rock and debris behave like a fluid and move rapidly downslope under gravity. Such flows often start when an unstable slope or… - [Skypark (DD-562)](https://detailenjoyer.com/case/skypark/index.md): The Reel describes Vaisakhi Sky Park, a residential project by Vaisakhi Developers in Yendada, Visakhapatnam, a port city in Andhra Pradesh, India. According to the Reel, it… - [Wasp the Builder (DD-563)](https://detailenjoyer.com/case/wasp-the-builder/index.md): Paper wasps and their relatives build nests from wood fibers chewed and mixed with saliva into a papery pulp. In spring a queen starts the nest on a sheltered surface, builds the… - [Adelson (DD-564)](https://detailenjoyer.com/case/adelson/index.md): Miriam Adelson, born in 1945 in Tel Aviv, is an Israeli-American physician, philanthropist and businesswoman. She studied microbiology at the Hebrew University of Jerusalem and… - [Gates (DD-565)](https://detailenjoyer.com/case/gates/index.md): Bill Gates, born in 1955 in Seattle, co-founded Microsoft, which became the leading personal-computer software company. He stepped down as CEO in 2000 and left the board in 2020.… - [Lens Crafter II (DD-566)](https://detailenjoyer.com/case/lens-crafter-ii/index.md): To fit glasses, an optician uses an edger machine that traces the specific frame, then grinds the prescription lens blank down to that shape, adjusting for the material; some… - [Hallgrímskirkja (DD-567)](https://detailenjoyer.com/case/hallgrimskirkja/index.md): Hallgrímskirkja is a Lutheran parish church of the Church of Iceland, on the Skólavörðuholt hill near the center of Reykjavík. At 74.5 m (244 ft), it is the largest church in… - [Commercial Supersonics (DD-568)](https://detailenjoyer.com/case/commercial-supersonics/index.md): Concorde was an Anglo-French supersonic airliner. A UK–France treaty of November 29, 1962 launched it, and it was developed and built by Sud Aviation (which became part of… - [Food Recycling (DD-569)](https://detailenjoyer.com/case/food-recycling/index.md): The footage shows a Chinese plant processing expired packaged food. Workers shovel bags of snacks onto conveyors, a machine strips the wrappers, and the food comes out as an… - [Baikonur Cosmodrome (DD-570)](https://detailenjoyer.com/case/baikonur-cosmodrome/index.md): Buran was the Soviet Union's reusable spaceplane, built in response to the US Space Shuttle and launched on the Energia rocket. The orbiter Buran (1K) flew once, uncrewed, on… - [Bunker Valentin (DD-571)](https://detailenjoyer.com/case/bunker-valentin/index.md): Bunker Valentin is a bomb-proof U-boat factory that the German navy (Kriegsmarine) built on the Weser River at Bremen-Farge, in Bremen's Rekum district. With Allied bombers… - [Unlimited Bladeworks (DD-572)](https://detailenjoyer.com/case/unlimited-bladeworks/index.md): The Didgori memorial stands on the meadows of Mount Didgori, about 40 km west of Tbilisi in the Trialeti Range. It marks the Battle of Didgori, fought on August 12, 1121. King… - [Buzludzha (DD-573)](https://detailenjoyer.com/case/buzludzha/index.md): The Monument House of the Bulgarian Communist Party stands on Buzludzha Peak in the Balkan Mountains (Stara Planina) of central Bulgaria, near the Shipka Pass. Bulgaria's… - [Blue Hour (DD-574)](https://detailenjoyer.com/case/blue-hour/index.md): The blue hour is the period of twilight just before sunrise or just after sunset, when the Sun is a few degrees below the horizon. Only indirect sunlight reaches the ground, and… - [Maslenitsa (DD-575)](https://detailenjoyer.com/case/maslenitsa/index.md): Maslenitsa, also called Butter Week or Cheesefare Week, is an Eastern Slavic religious and folk holiday observed mostly in Russia, Ukraine and Belarus, and by their diaspora… - [Ayam Cemani (DD-576)](https://detailenjoyer.com/case/ayam-cemani/index.md): The Ayam Cemani is a rare chicken breed from the island of Java in Indonesia. In Indonesian, 'ayam' means chicken, and the Javanese word 'cemani' means thoroughly black. The… - [Berlin Heart (DD-577)](https://detailenjoyer.com/case/berlin-heart/index.md): The Berlin Heart EXCOR Pediatric is a pulsatile, air-driven ventricular assist device (VAD) that keeps infants and children with severe heart failure alive, usually while they… - [Second Impact (DD-578)](https://detailenjoyer.com/case/second-impact/index.md): Ceres is the largest object in the main asteroid belt between Mars and Jupiter. Giuseppe Piazzi discovered it on January 1, 1801, and it was first hailed as a planet, then called… - [Uranium Ural (DD-579)](https://detailenjoyer.com/case/uranium-ural/index.md): Ural is a Project 22220 nuclear-powered icebreaker, the third ship of the class after Arktika and Sibir. It's operated by Atomflot, part of Russia's state nuclear corporation… - [Bathypterois grallator (DD-580)](https://detailenjoyer.com/case/bathypterois-grallator/index.md): Bathypterois grallator, the tripod fish or tripod spiderfish, is a deep-sea fish in the family Ipnopidae. George Brown Goode and Tarleton Bean described it in 1886. It lives on… - [Sprinkle Of Truth (DD-581)](https://detailenjoyer.com/case/sprinkle-of-truth/index.md): The sprinkler in the footage is an impact sprinkler, the classic 'tick-tick-tick' design on farm risers. Water under pressure leaves the main nozzle as a jet. A spring-loaded… - [Starbase (DD-582)](https://detailenjoyer.com/case/starbase/index.md): Starbase is SpaceX's Starship build, test and launch site on the Boca Chica peninsula in Cameron County, Texas, about 20 miles east of Brownsville and close to the Mexican… - [Silk Harvest (DD-583)](https://detailenjoyer.com/case/silk-harvest/index.md): Forced silking, or reeling, is a standard way for researchers to collect spider silk. In the Oxford Silk Group's demonstration, a golden orb-weaver, Nephila edulis, is sedated… - [Flying Bike (DD-584)](https://detailenjoyer.com/case/flying-bike/index.md): From the footage, I identify the machine as the de Lackner HZ-1 Aerocycle, a one-man 'personal helicopter' built for the US Army in the mid-1950s. It grew out of work by Charles… - [Trocar Cows (DD-585)](https://detailenjoyer.com/case/trocar-cows/index.md): Bloat, or ruminal tympany, is overdistension of the rumen and reticulum with the gases of fermentation. The Merck Veterinary Manual describes two forms. In frothy (primary)… - [Pulse Jar (DD-586)](https://detailenjoyer.com/case/pulse-jar/index.md): A pulse jet engine burns a fuel-air mixture in rapid, repeated pulses. Jar versions improvise the idea: a small opening lets air in, a flammable vapor such as alcohol is added,… - [Avian Siblicide (DD-587)](https://detailenjoyer.com/case/avian-siblicide/index.md): Siblicide is the killing of a young animal by its siblings, and it is best known in birds. Biologists split it into two kinds. In obligate siblicide, one chick almost always… - [Central Limits (DD-588)](https://detailenjoyer.com/case/central-limits/index.md): The Galton board, also called the quincunx or bean machine, has interleaved rows of pegs above a row of bins. Each bead that falls through bounces left or right at each peg. The… - [Microwave Metal (DD-589)](https://detailenjoyer.com/case/microwave-metal/index.md): A microwave oven's magnetron fills the metal cooking cavity with microwaves at about 2,450 MHz, with a wavelength of about 12 centimeters. Food absorbs them, mostly through its… - [The Motherland Calls (DD-590)](https://detailenjoyer.com/case/the-motherland-calls/index.md): The Motherland Calls is a reinforced-concrete war memorial on Mamayev Kurgan, a hill in Volgograd (formerly Stalingrad), Russia. It is the centerpiece of a memorial complex to… - [Sandy Scaridae (DD-591)](https://detailenjoyer.com/case/sandy-scaridae/index.md): Parrotfish are the family Scaridae, about 90 species of reef fish named for their fused, beak-like teeth. They bite and scrape the surfaces of dead coral and rock, mainly for the… - [Duga (DD-592)](https://detailenjoyer.com/case/duga/index.md): Duga, Russian for 'arc', was a Soviet over-the-horizon radar system that formed part of the USSR's early-warning network against ballistic missiles. Over-the-horizon radar… - [Imploder (DD-593)](https://detailenjoyer.com/case/imploder/index.md): The human body is mostly water, and water barely compresses. Divers survive great depths because the pressure on them rises gradually and evenly. The weak points are air-filled… - [Deluge Days (DD-594)](https://detailenjoyer.com/case/deluge-days/index.md): NASA's Stennis Space Center in Mississippi tests rocket engines and stages by bolting them to giant stands and firing them in place. Because the hardware doesn't move, the… - [heat. (DD-595)](https://detailenjoyer.com/case/heat/index.md): Rocket engines produce intense heat by burning propellants such as liquid hydrogen and liquid oxygen. The Reel says liquid-fueled engines like the Space Shuttle's produce exhaust… - [Chordodes Formosanus (DD-596)](https://detailenjoyer.com/case/chordodes-formosanus/index.md): Chordodes formosanus is a horsehair worm (phylum Nematomorpha) first described in 2011 by Ming-Chung Chiu and colleagues from specimens taken from Hierodula mantises in Taiwan… - [Sclerotherapy (DD-597)](https://detailenjoyer.com/case/sclerotherapy/index.md): Sclerotherapy treats unwanted veins by injecting a solution (a sclerosant) that damages the vein's inner lining, the endothelium. The vein then becomes inflamed, scars and… - [Blood Destruction II (DD-598)](https://detailenjoyer.com/case/blood-destruction-ii/index.md): Many snake venoms, especially those of vipers (the family that includes rattlesnakes), are haemotoxic: they act on blood and blood vessels. A 2017 review in the British Journal… - [Albatross Chicks (DD-599)](https://detailenjoyer.com/case/albatross-chicks/index.md): The grey-headed albatross (Thalassarche chrysostoma) is a mollymawk that breeds on islands in the Southern Ocean, with about half the world population on South Georgia. The IUCN… - [Kawah Ijen (DD-600)](https://detailenjoyer.com/case/kawah-ijen/index.md): Kawah Ijen is the crater of the Ijen volcano in East Java, Indonesia. It holds a turquoise lake rich in sulfuric and hydrochloric acid. Its famous 'blue fire' (locally api biru)… - [Octopus Robo-Grip (DD-601)](https://detailenjoyer.com/case/octopus-robo-grip/index.md): In February 2020, researchers from Beihang University, Harvard's Wyss Institute and Harvard SEAS, and the automation company Festo published a study in Soft Robotics on octopus… - [Sheep Dipping (DD-602)](https://detailenjoyer.com/case/sheep-dipping/index.md): Sheep scab is an intensely itchy skin disease caused by the mite Psoroptes ovis. The UK's National Animal Disease Information Service (NADIS) says the mites' droppings trigger an… - [Mars Nights (DD-603)](https://detailenjoyer.com/case/mars-nights/index.md): NASA describes Mars's atmosphere as thin and made up mostly of carbon dioxide, with nitrogen and argon. Astronomy magazine puts it at about 1% of Earth's and notes that with so… - [Northrop Grumman (DD-604)](https://detailenjoyer.com/case/northrop-grumman/index.md): Northrop Grumman is a US aerospace and defense company based in Falls Church, Virginia. Its 2025 annual report (Form 10-K) says the company began in 1939 in Hawthorne,… - [Kailasa Temple (DD-605)](https://detailenjoyer.com/case/kailasa-temple/index.md): The Kailasa temple is Cave 16 of the Ellora Caves in Maharashtra, India, a UNESCO World Heritage Site since 1983. UNESCO calls it the largest monolithic temple of the 34 caves,… - [The Iron Dome (DD-606)](https://detailenjoyer.com/case/the-iron-dome/index.md): Iron Dome is a mobile short-range air defense system built by Israel's Rafael Advanced Defense Systems with Israel Aerospace Industries. According to Wikipedia, it is designed to… - [Mount Kailash (DD-607)](https://detailenjoyer.com/case/mount-kailash/index.md): Mount Kailash is a 6,638 m (21,778 ft) peak in the Gangdise (Kailash) Range of the Transhimalaya, in Ngari Prefecture in western Tibet, China. It is sacred in four religions.… - [Floatovoltaics (DD-608)](https://detailenjoyer.com/case/floatovoltaics/index.md): Floating solar, also called floating photovoltaics (FPV) or floatovoltaics, puts solar panels on pontoons or purpose-built floats on reservoirs, lakes, ponds and other calm… - [Lunar Roving (DD-609)](https://detailenjoyer.com/case/lunar-roving/index.md): The Lunar Roving Vehicle (LRV) was the electric car of the last three Apollo missions. According to NASA, it made its debut on July 31, 1971, when Apollo 15's David Scott and… - [Laser Ignition (DD-610)](https://detailenjoyer.com/case/laser-ignition/index.md): Light can set off a gas mixture in several ways. A 2013 review in Optics Express by Geoff Dearden and Tom Shenton lists four mechanisms. In thermal initiation, the laser heats… - [Golden Drop (DD-611)](https://detailenjoyer.com/case/golden-drop/index.md): The golden eagle (Aquila chrysaetos) is the most widely distributed eagle, found across the Northern Hemisphere. It mainly eats hares, rabbits, marmots and ground squirrels, and… - [Supercell (DD-612)](https://detailenjoyer.com/case/supercell/index.md): A supercell is a thunderstorm with a deep, persistent rotating updraft called a mesocyclone. The National Weather Service (NWS) office in Amarillo says supercells are the least… - [Sickled Cells (DD-613)](https://detailenjoyer.com/case/sickled-cells/index.md): Sickle cell disease is a group of inherited red blood cell disorders caused by a mutation in the beta-globin gene, which helps make hemoglobin. According to the US National… - [NVIDIA's Blue (DD-614)](https://detailenjoyer.com/case/nvidias-blue/index.md): Blue is a small, Star Wars-inspired robot from Disney Research, part of the company's BDX droid family. It joined NVIDIA CEO Jensen Huang onstage during his GTC 2025 keynote in… - [On A Glide (DD-615)](https://detailenjoyer.com/case/on-a-glide/index.md): The Space Shuttle orbiter came home without engine power. NASA's Glenn Research Center explains that once the external tank was gone, the main engines had no propellant, so the… - [Shape Memory (DD-616)](https://detailenjoyer.com/case/shape-memory/index.md): Shape-memory alloys can be bent out of shape when cool and then spring back when warmed. The best known is nitinol, an alloy of roughly equal parts nickel and titanium. Its name… - [Mercedes Stadium (DD-617)](https://detailenjoyer.com/case/mercedes-stadium/index.md): Mercedes-Benz Stadium in Atlanta opened on August 26, 2017, replacing the Georgia Dome as home of the NFL's Atlanta Falcons and MLS's Atlanta United FC. It is owned by the state… - [Casimir's Effect (DD-618)](https://detailenjoyer.com/case/casimirs-effect/index.md): In 1948 the Dutch physicist Hendrik Casimir predicted that two uncharged, parallel conducting plates in a vacuum would be pushed together. In quantum theory, the vacuum is not… - [The Glades (DD-619)](https://detailenjoyer.com/case/the-glades/index.md): The Everglades is a region of flooded grasslands in southern Florida. It forms the southern half of the Kissimmee–Okeechobee–Everglades watershed, which begins near Orlando with… - [Ardabil (DD-620)](https://detailenjoyer.com/case/ardabil/index.md): Ardabil is the capital of Ardabil province in northwestern Iran, near the border with Azerbaijan, with about 588,000 people in the 2022 census. It lies on an open plain just east… - [Raytheon (DD-621)](https://detailenjoyer.com/case/raytheon/index.md): Raytheon is one of RTX Corporation's three business segments, alongside Collins Aerospace and Pratt & Whitney. The company began in 1922 in Cambridge, Massachusetts, as the… - [Fresh Fiat (DD-622)](https://detailenjoyer.com/case/fresh-fiat/index.md): US paper money is made by the Bureau of Engraving and Printing, part of the Treasury Department, which has printed the nation's currency since 1862. All of it comes from two… - [Cloud Chambers (DD-623)](https://detailenjoyer.com/case/cloud-chambers/index.md): A cloud chamber makes the paths of electrically charged particles visible. Inside, the air holds more vapor than it normally could, so it is supersaturated and ready to condense.… - [Tigers & Trees (DD-624)](https://detailenjoyer.com/case/tigers-and-trees/index.md): Tigers (Panthera tigris) rear up against tree trunks and rake the bark with their front claws. Old accounts describe scratch marks more than 3 m (about 11 ft) up a trunk, and one… - [Pipeline Blasting (DD-625)](https://detailenjoyer.com/case/pipeline-blasting/index.md): On pipeline projects, blasting is mostly used to break up bedrock so crews can dig the trench for new pipe. The footage shows that kind of blast: a line of charges lifting mud… - [Chip Change (DD-626)](https://detailenjoyer.com/case/chip-change/index.md): Replacing a chip on a circuit board is called rework, and the industry's guide to it is the IPC-7711/7721 standard. With a surface-mount chip, every joint has to melt at the same… - [Ballistic Trident (DD-627)](https://detailenjoyer.com/case/ballistic-trident/index.md): The Trident II D5 is a submarine-launched ballistic missile (SLBM) built by Lockheed Martin for the U.S. Navy. It has three solid-propellant stages and inertial guidance. It is… - [insularis blue (DD-628)](https://detailenjoyer.com/case/insularis-blue/index.md): The white-lipped island pit viper, Trimeresurus insularis, is a venomous, tree-dwelling pit viper from the Lesser Sunda Islands of Indonesia and Timor-Leste. It is found on more… - [Flying Fishermen III (DD-629)](https://detailenjoyer.com/case/flying-fishermen-iii/index.md): The osprey (Pandion haliaetus) lives almost entirely on fish, which make up about 99% of its diet. Its outer toe can swing backward, so it can grip with two toes in front and two… - [HoloFans (DD-630)](https://detailenjoyer.com/case/holofans/index.md): 'Holographic fans' are rotating LED displays. Each blade, or 'ray', carries a strip of LEDs. As the rotor spins, a controller switches every LED on and off at exact angles, so… - [Construction Covers (DD-631)](https://detailenjoyer.com/case/construction-covers/index.md): In crowded Chinese cities, some building and excavation sites are now covered by huge air-supported domes, sometimes called 'soft pillows' or 'giant airbags'. Fans on the ground… - [Concrete Reefs (DD-632)](https://detailenjoyer.com/case/concrete-reefs/index.md): Concrete is one of the most widely used artificial-reef materials, both as purpose-built reef modules and as recycled rubble such as old culverts, pipes and bridge pieces. In the… - [Hail Storming (DD-633)](https://detailenjoyer.com/case/hail-storming/index.md): Hail forms inside thunderstorm updrafts. According to NOAA's National Severe Storms Laboratory (NSSL), raindrops are carried up into very cold air and freeze. The young… - [Cloud River (DD-634)](https://detailenjoyer.com/case/cloud-river/index.md): Atmospheric rivers are long, narrow corridors of concentrated water vapor in the lower atmosphere that carry moisture thousands of kilometers from the tropics toward higher… - [Connected (DD-635)](https://detailenjoyer.com/case/connected/index.md): The '86 billion neurons' figure comes from a 2009 study by Frederico Azevedo, Suzana Herculano-Houzel and colleagues. They dissolved the brains of four adult men into a uniform… - [Doom Plume (DD-636)](https://detailenjoyer.com/case/doom-plume/index.md): Volcanologists call these eruption columns or ash plumes. In an explosive eruption, gas-charged magma shatters into ash, tiny fragments of rock and volcanic glass less than 2 mm… - [Felix Falls (DD-637)](https://detailenjoyer.com/case/felix-falls/index.md): Felix Baumgartner was an Austrian skydiver and BASE jumper. On October 14, 2012, in the Red Bull Stratos project, he rode a pressurized capsule under a helium balloon from… - [Tesla Diner (DD-638)](https://detailenjoyer.com/case/tesla-diner/index.md): The Tesla Diner opened on July 21, 2025, at 7001 Santa Monica Blvd. in Hollywood, Los Angeles. It's a two-story, 24-hour diner and drive-in built around a Supercharger station,… - [Earth Movers II (DD-639)](https://detailenjoyer.com/case/earth-movers-ii/index.md): Bagger 293 is a bucket-wheel excavator built by TAKRAF of Leipzig, Germany. It went into service on July 7, 1995, at RWE's Hambach open-pit lignite (brown coal) mine near… - [UV Curing (DD-640)](https://detailenjoyer.com/case/uv-curing/index.md): UV curing is photopolymerization. A UV-curable ink, coating or adhesive is a liquid mix of small reactive molecules (monomers and oligomers) plus a few percent of photoinitiator.… - [Bdelloid Rotifers (DD-641)](https://detailenjoyer.com/case/bdelloid-rotifers/index.md): Bdelloid rotifers (class Bdelloidea) are microscopic animals, usually well under a millimeter long. They live in fresh water and also in damp moss, lichen and soil films that… - [Paint Removers (DD-642)](https://detailenjoyer.com/case/paint-removers/index.md): Methylene chloride (dichloromethane) was long the main ingredient in fast-acting paint strippers. It is a small, very volatile molecule that soaks into a paint film, swells and… - [Three Gorges (DD-643)](https://detailenjoyer.com/case/three-gorges/index.md): The Three Gorges Dam crosses the Yangtze at Sandouping, near Yichang in Hubei province, China. By installed capacity it's the world's largest power station: 22,500 MW from 32… - [Aquatic Ambulances (DD-644)](https://detailenjoyer.com/case/aquatic-ambulances/index.md): In Venice's historic center and the islands of its lagoon, emergency calls to Italy's 118 number are answered by idroambulanze, water ambulances run by the local emergency… - [Fissure Flames (DD-645)](https://detailenjoyer.com/case/fissure-flames/index.md): A fissure eruption happens when a dike, a vertical sheet of magma forced up through the crust, reaches the surface along a crack. Lava then erupts from many points along a line… - [Rainbow Mountains (DD-646)](https://detailenjoyer.com/case/rainbow-mountains/index.md): Peru's best-known 'rainbow mountain' is Vinicunca (Winikunka), also called Montaña de Siete Colores ('Mountain of Seven Colors'). It's in the Vilcanota range of the Cusco region,… - [Kazotsky Kick (DD-647)](https://detailenjoyer.com/case/kazotsky-kick/index.md): 'Kazotsky Kick' is the name of a group taunt in Valve's game Team Fortress 2. It was added on July 2, 2015, in the Gun Mettle Update. Any class can perform it, and other players… - [Hair Barrier (DD-648)](https://detailenjoyer.com/case/hair-barrier/index.md): The best-known experiment on this idea didn't use mosquitoes. In 2011, Isabelle Dean and Michael Siva-Jothy at the University of Sheffield published a study in Biology Letters… - [Blood Watch (DD-649)](https://detailenjoyer.com/case/blood-watch/index.md): Intravital microscopy means looking at living tissue inside a living animal, and blood flow was one of the first things it revealed. In 1661, Marcello Malpighi used a microscope… - [Tree Scaling (DD-650)](https://detailenjoyer.com/case/tree-scaling/index.md): Climbing a vertical trunk is hard for an animal with no limbs, and biologists have studied how snakes do it in detail. In a 2020 review, Bruce Jayne of the University of… - [Around the Rainbow (DD-651)](https://detailenjoyer.com/case/around-the-rainbow/index.md): A rainbow isn't an object in a fixed place. It's a pattern of light that appears when sunlight enters falling drops, bends (refracts) going in, reflects once off the back of each… - [Spacewalker (DD-652)](https://detailenjoyer.com/case/spacewalker/index.md): On February 7, 1984, during shuttle mission STS-41B, Bruce McCandless II made the first untethered free flight in space. He was flying NASA's Manned Maneuvering Unit (MMU), a… - [Murmuration (DD-653)](https://detailenjoyer.com/case/murmuration/index.md): Murmurations are the swirling pre-roost flocks of common starlings (Sturnus vulgaris), usually seen on autumn and winter evenings. In 2008, the STARFLAG team in Rome… - [UV Face (DD-654)](https://detailenjoyer.com/case/uv-face/index.md): A UV camera records ultraviolet light bouncing back from a scene. Sunscreen filters stop most of that UV from reaching the skin and bouncing back, so covered skin looks dark and… - [The Kaaba (DD-655)](https://detailenjoyer.com/case/the-kaaba/index.md): The Kaaba stands at the center of the Masjid al-Haram (the Sacred Mosque, often called the Great Mosque) in Mecca, Saudi Arabia, and is the most sacred site in Islam. Islamic… - [Hajwala (DD-656)](https://detailenjoyer.com/case/hajwala/index.md): Hajwala is a Gulf term for reckless, show-off street driving. Its best-known form, high-speed drifting, is called tafheet in Saudi Arabia. In 'Joyriding in Riyadh' (Cambridge… - [Vertical Farming (DD-657)](https://detailenjoyer.com/case/vertical-farming/index.md): In aeroponics, plant roots hang in the air inside a closed chamber and are sprayed or misted with nutrient solution. Aeroponic towers stack plants up a vertical column, with a… - [Buoyancy Bridge II (DD-658)](https://detailenjoyer.com/case/buoyancy-bridge-ii/index.md): The Shiziguan floating bridge, nicknamed 'Langqiao Yimeng' after the Chinese title of 'The Bridges of Madison County', is in the Shiziguan Scenic Area, Zhushan Town, Xuan'en… - [ProsperiTree (DD-659)](https://detailenjoyer.com/case/prosperitree/index.md): The Tree of Prosperity is a free kinetic show in the Rotunda of Wynn Macau, on the Macau peninsula. It isn't at Wynn Palace, the company's newer resort in Cotai. Macao's tourism… - [BAPS NJ (DD-660)](https://detailenjoyer.com/case/baps-nj/index.md): BAPS Swaminarayan Akshardham, in Robbinsville Township, New Jersey, was built by the Hindu organization Bochasanwasi Akshar Purushottam Swaminarayan Sanstha (BAPS). It was… - [State Flag Square (DD-661)](https://detailenjoyer.com/case/state-flag-square/index.md): State Flag Square in Baku, Azerbaijan, opened on September 1, 2010, on the Caspian Sea shore. Its flagpole is 162 meters (531 feet) tall and was briefly the world's tallest… - [Ant Rafting (DD-662)](https://detailenjoyer.com/case/ant-rafting/index.md): Red imported fire ants (Solenopsis invicta) come from the flood-prone wetlands of Brazil. When water rises, a colony can link itself into a floating raft that carries workers,… - [Atomic Stop-motion (DD-663)](https://detailenjoyer.com/case/atomic-stop-motion/index.md): IBM Research released 'A Boy and His Atom' on April 30, 2013, and Guinness World Records certified it as the world's smallest stop-motion film. Scientists at IBM's Almaden lab in… - [Tanzanian Half-Moons (DD-664)](https://detailenjoyer.com/case/tanzanian-half-moons/index.md): Half-moons are semi-circular bunds, called demi-lunes in Francophone Africa. Each is a shallow basin dug in a crescent, with the dug-out soil piled into a low curved bank on the… - [Walking Floors (DD-665)](https://detailenjoyer.com/case/walking-floors/index.md): A moving-floor trailer unloads itself through the back doors without tipping. The floor is made of long slats, usually aluminum, split into three interleaved groups and driven by… - [Kangina Grapes (DD-666)](https://detailenjoyer.com/case/kangina-grapes/index.md): Kangina (also spelled gangina or kangana) is an Afghan way of keeping fresh grapes through winter in sealed containers made of mud and straw. In summer, families shape mud and… - [Digital ID (DD-667)](https://detailenjoyer.com/case/digital-id/index.md): The Reel blends two separate UK projects. The first is GOV.UK Wallet, announced on January 21, 2025. It's an optional app for storing government-issued documents on a phone,… - [Stick Walk (DD-668)](https://detailenjoyer.com/case/stick-walk/index.md): The Banna (also written Bena) are a people of the Lower Omo Valley in southern Ethiopia's South Omo Zone. They live in the higher country around the market town of Key Afer and… - [Point Curie (DD-669)](https://detailenjoyer.com/case/point-curie/index.md): The Curie point, or Curie temperature, is named after Pierre Curie. His 1895 thesis, 'Propriétés magnétiques des corps à diverses températures' (Magnetic properties of substances… - [Argyroneta Aquatica (DD-670)](https://detailenjoyer.com/case/argyroneta-aquatica/index.md): The diving bell spider, Argyroneta aquatica, is generally described as the only spider that spends almost its whole life underwater. It lives in ponds and slow, plant-filled… - [Gyotaku (DD-671)](https://detailenjoyer.com/case/gyotaku/index.md): Gyotaku (from gyo, 'fish', and taku, 'impression') is the Japanese practice of printing fish. The oldest known gyotaku, Kinshibori no funa ('Crucian Carp from the Kinshibori… - [Kirk (DD-672)](https://detailenjoyer.com/case/kirk/index.md): Charles James 'Charlie' Kirk (October 14, 1993 – September 10, 2025) was an American conservative political activist and media personality. He was born in Arlington Heights,… - [The Wailing Wall (DD-673)](https://detailenjoyer.com/case/the-wailing-wall/index.md): The Western Wall (Hebrew HaKotel HaMa'aravi, 'the Kotel') is a limestone wall in Jerusalem's Old City. It's the more common name. 'Wailing Wall' comes from European descriptions… - [Anti-Defamation League (DD-674)](https://detailenjoyer.com/case/anti-defamation-league/index.md): The Anti-Defamation League (ADL) is a New York-based 501(c)(3) nonprofit. B'nai B'rith, a Jewish service organization, founded it in Chicago in autumn 1913, with attorney Sigmund… - [Siwa Salt Oasis (DD-675)](https://detailenjoyer.com/case/siwa-salt-oasis/index.md): Siwa is an oasis town in Egypt's Matrouh Governorate, in a depression that reaches about 19 m below sea level. It lies about 50 km east of the Libyan border and 560 km from… - [CIPP (DD-676)](https://detailenjoyer.com/case/cipp/index.md): Cured-in-place pipe (CIPP) is a trenchless way to rehabilitate sewer, storm, water and other pipes. A flexible tube of felt or fiberglass is soaked in thermosetting resin… - [Hydrant Hygiene (DD-677)](https://detailenjoyer.com/case/hydrant-hygiene/index.md): Fire hydrants are opened outside emergencies for three main reasons. First, inspection: checking that the hydrant opens, drains and is serviceable. Second, flushing: moving water… - [ATL Air Traffic (DD-678)](https://detailenjoyer.com/case/atl-air-traffic/index.md): Hartsfield-Jackson Atlanta International Airport (ATL) was again the world's busiest airport by passengers in 2025, with 106.3 million passengers. That was down 1.6% from 2024,… - [Feminizing Frogs (DD-679)](https://detailenjoyer.com/case/feminizing-frogs/index.md): Atrazine is a weedkiller widely used on US corn, sorghum and sugarcane. In 2002, Tyrone Hayes's lab at UC Berkeley reported that male African clawed frogs (Xenopus laevis) raised… - [Yonshakudama (DD-680)](https://detailenjoyer.com/case/yonshakudama/index.md): Yonshakudama means '4-shaku shell'. A shaku is an old Japanese unit of about 30 cm, so the shell is about 120 cm across. It's the showpiece of the Katakai Fireworks Festival in… - [Ursine Uptime (DD-681)](https://detailenjoyer.com/case/ursine-uptime/index.md): 'Walking hibernation' is a real term. The North American Bear Center describes it as the 2-3 weeks after bears leave the den, when they move around but eat and drink less than… - [One Incense Pillar (DD-682)](https://detailenjoyer.com/case/one-incense-pillar/index.md): One Incense Pillar (Yizhuxiang, 'one stick of incense') is a limestone karst pillar in the Enshi Grand Canyon, a national 5A scenic area and geopark in Enshi, western Hubei.… - [Turtle Torpor (DD-683)](https://detailenjoyer.com/case/turtle-torpor/index.md): Turtles stay underwater in two quite different ways. Sea turtles, like the one in the footage, are air-breathers. They rely on oxygen stored in their lungs, blood and muscles,… - [Arapaima Gigas (DD-684)](https://detailenjoyer.com/case/arapaima-gigas/index.md): Arapaima gigas (pirarucu) is one of the largest freshwater fish in the world, native to the Amazon basin. FishBase gives a common length of about 2 m and maximum reports of 4.5 m… - [Bos Gaurus (DD-685)](https://detailenjoyer.com/case/bos-gaurus/index.md): The gaur (Bos gaurus) is the largest living wild bovine. It belongs to the cattle genus Bos, so the common Indian name 'Indian bison' is a misnomer, since true bison belong to… - [Lux or Luxor (DD-686)](https://detailenjoyer.com/case/lux-or-luxor/index.md): Luxor Las Vegas opened on October 15, 1993, as a 30-story, 350 ft (106.7 m) pyramid clad in dark glass. Circus Circus Enterprises built it. At opening the pyramid held 2,526… - [Counter Crane (DD-687)](https://detailenjoyer.com/case/counter-crane/index.md): A crane tips over when the overturning moment (the load's weight times its distance from the tipping line, plus wind and slope effects) exceeds the stabilizing moment from the… - [da Vinci's Double Helix (DD-688)](https://detailenjoyer.com/case/da-vincis-double-helix/index.md): The staircase in the footage is the double-helix staircase at the heart of the Château de Chambord in the Loire Valley, France. Two independent flights wind around each other and… - [Peristaltic Pumps (DD-689)](https://detailenjoyer.com/case/peristaltic-pumps/index.md): A peristaltic pump is a positive-displacement pump. Rollers or shoes on a rotating head squeeze a flexible tube against a curved track, trapping 'pillows' of fluid and pushing… - [Arch of Titus (DD-690)](https://detailenjoyer.com/case/arch-of-titus/index.md): The Arch of Titus stands on the Velia at the eastern edge of the Roman Forum, where the Via Sacra climbs toward the Palatine. Its dedication (CIL VI 945) honors 'divus' Titus,… - [Hungarian Herding Dogs (DD-691)](https://detailenjoyer.com/case/hungarian-herding-dogs/index.md): The Puli (plural Pulik) is a medium-sized Hungarian sheepdog. The American Kennel Club says the Magyars brought it to Hungary more than a thousand years ago to herd sheep over… - [Food Chain Hazing (DD-692)](https://detailenjoyer.com/case/food-chain-hazing/index.md): Lions and spotted hyenas are Africa's two largest carnivores. They eat many of the same prey, so they compete directly for food. Lions often kill hyenas and their cubs, but they… - [Chicxulub Crater (DD-693)](https://detailenjoyer.com/case/chicxulub-crater/index.md): The Chicxulub crater is a buried impact structure about 180 to 200 km across, centered near the town of Chicxulub on Mexico's Yucatán coast and extending under the Gulf of… - [Snake Supreme (DD-694)](https://detailenjoyer.com/case/snake-supreme/index.md): Titanoboa cerrejonensis was a giant boid snake, a relative of today's boas and anacondas. Its fossils come from the Cerrejón coal mine in northeastern Colombia, in rocks 58 to 60… - [Golf Balling (DD-695)](https://detailenjoyer.com/case/golf-balling/index.md): When a driver hits a golf ball, the ball flattens noticeably for a fraction of a millisecond and then springs back. The coefficient of restitution (COR) measures how much speed… - [Shine Sublime (DD-696)](https://detailenjoyer.com/case/shine-sublime/index.md): A shoe shine follows a few basic steps: clean the leather, condition and color it, then build and buff a protective layer. Shoe creams are softer and richer in oils and pigment,… - [Rocket Stage Release (DD-697)](https://detailenjoyer.com/case/rocket-stage-release/index.md): Stage separation is how a multistage rocket discards empty stages to save mass and reach orbit. Separation systems use explosive bolts or frangible joints, pneumatic pushers or… - [Haus des Glockenspiels (DD-698)](https://detailenjoyer.com/case/haus-des-glockenspiels/index.md): The Haus des Glockenspiels (Glockenspiel House) is at Böttcherstraße 4 in Bremen, northern Germany, not in Rothenburg ob der Tauber. Coffee merchant Ludwig Roselius, who first… - [Drone De-icing (DD-699)](https://detailenjoyer.com/case/drone-de-icing/index.md): Ice on power lines adds weight and can snap conductors or topple towers, as China's grid saw in the severe winter storms of early 2008. In January and February 2026, State Grid… - [HoloFans II (DD-700)](https://detailenjoyer.com/case/holofans-ii/index.md): 'Hologram fans' are persistence-of-vision (POV) displays. A rotor carrying strips of LEDs spins fast while a controller switches each LED on and off at exact angles, painting one… - [Shark Senescence (DD-701)](https://detailenjoyer.com/case/shark-senescence/index.md): The Greenland shark (Somniosus microcephalus) lives in the cold, deep North Atlantic and Arctic. In 2016, Julius Nielsen and colleagues dated proteins in the core of the eye lens… - [New York Hot Tub (DD-702)](https://detailenjoyer.com/case/new-york-hot-tub/index.md): After the January 25, 2026 winter storm and days of below-freezing temperatures, the NYC Department of Sanitation (DSNY) started eight snow melters on January 27, 2026, its first… - [Three Whale Rock (DD-703)](https://detailenjoyer.com/case/three-whale-rock/index.md): Hin Sam Wan ('Three Whale Rock') is a group of sandstone outcrops on a cliff edge in the Phu Sing National Reserved Forest, Bueng Kan province, near the Mekong River and the… - [Ekranoplan (DD-704)](https://detailenjoyer.com/case/ekranoplan/index.md): The Project 903 Lun was a Soviet wing-in-ground-effect craft from Rostislav Alexeyev's design bureau, built as a fast anti-ship missile carrier. Only one, MD-160, was completed.… - [Battling Barnacles (DD-705)](https://detailenjoyer.com/case/battling-barnacles/index.md): Barnacles are crustaceans that cement themselves to hard surfaces, including ship hulls, as part of 'biofouling' along with slime, algae and other organisms. A 2007 study by… - [Mount Bokty (DD-706)](https://detailenjoyer.com/case/mount-bokty/index.md): Bokty is an isolated, trapezoid-shaped remnant mountain (an inselberg) in Kazakhstan's Mangystau region, about 90 km from Zhanaozen. It's protected within the Mangystau State… - [Lingshan Lift (DD-707)](https://detailenjoyer.com/case/lingshan-lift/index.md): The Reel mixes up two different Lingshans. The footage shows the new cliffside escalator at Lingshan Scenic Area in Shangrao, Jiangxi Province, a national 4A scenic area of… - [B52 Stratofortress (DD-708)](https://detailenjoyer.com/case/b52-stratofortress/index.md): The Boeing B-52 Stratofortress first flew on April 15, 1952, and entered US Air Force service in 1955. Boeing built 744, and the last B-52H was delivered in 1962. Only the B-52H… - [Resting Rosie (DD-709)](https://detailenjoyer.com/case/resting-rosie/index.md): Rosie is a preserved great white shark, about 5 m long, now on show at Crystal World Exhibition Centre in Devon Meadows, Victoria, Australia. She was caught in tuna nets off… - [USS Gerald R. Ford (DD-710)](https://detailenjoyer.com/case/uss-gerald-r-ford/index.md): USS Gerald R. Ford (CVN-78) is the lead ship of the US Navy's newest class of nuclear-powered aircraft carriers. It was delivered on May 31, 2017, and commissioned on July 22,… - [Gassed Up...Way Up (DD-711)](https://detailenjoyer.com/case/gassed-up-way-up/index.md): Aerial refueling moves fuel from a tanker to another aircraft in flight. The first successful transfer took place on June 27, 1923, over Rockwell Field in San Diego. Two US Army… - [Eye of the Storm (DD-712)](https://detailenjoyer.com/case/eye-of-the-storm/index.md): NOAA describes a hurricane's eye as a relatively calm, generally clear area of sinking air, typically 20 to 40 miles across, where winds usually stay under 15 mph. An eye usually… - [Air Jordan (DD-713)](https://detailenjoyer.com/case/air-jordan/index.md): Michael Jordan won the NBA Slam Dunk Contest in 1987 and again on February 6, 1988, at Chicago Stadium. In 1988, he closed with a dunk from the free-throw line that earned a… - [2026 (DD-714)](https://detailenjoyer.com/case/metropolis-2026/index.md): Metropolis, the German silent science-fiction film directed by Fritz Lang and written by Thea von Harbou, premiered in Berlin on January 10, 1927. Its city is split between a… - [Stomata (DD-715)](https://detailenjoyer.com/case/stomata/index.md): Stomata are microscopic pores, each bordered by a pair of guard cells, that control a plant's intake of carbon dioxide and its loss of water vapor. Guard cells open the pore by… - [RoboWeaving (DD-716)](https://detailenjoyer.com/case/roboweaving/index.md): Braiding has been central to soft robotics since the McKibben artificial muscle, an inflatable bladder inside a braided sleeve. When pressurized, the muscle shortens and… - [Plitvice Pure (DD-717)](https://detailenjoyer.com/case/plitvice-pure/index.md): Plitvice Lakes, in Croatia's Dinaric karst, are a chain of lakes linked by waterfalls. The water is supersaturated with calcium carbonate, which settles out with help from… - [Reservoir Ruin (DD-718)](https://detailenjoyer.com/case/reservoir-ruin/index.md): Lake Mead (behind Hoover Dam) and Lake Powell (behind Glen Canyon Dam) are the two largest reservoirs in the United States, and both are fed by the Colorado River. The 1922… - [Not So Well (DD-719)](https://detailenjoyer.com/case/not-so-well/index.md): In early 1991, retreating Iraqi forces set fire to Kuwaiti oil wells. Estimates of the number range from 605 to 732, and the U.S. government counted 610 burning out of 752… - [Big Boy 4014 (DD-720)](https://detailenjoyer.com/case/big-boy-4014/index.md): Big Boy No. 4014 is one of 25 4-8-8-4 'Big Boy' articulated steam locomotives that the American Locomotive Company (ALCO) built for Union Pacific. It was delivered in December… - [Alsomitra macrocarpa (DD-721)](https://detailenjoyer.com/case/alsomitra-macrocarpa/index.md): Alsomitra macrocarpa, sometimes called the Javan cucumber and formerly named Zanonia macrocarpa, is a climbing gourd of the Malesian forests, notably Indonesia's Sunda Islands.… - [RoboClassical (DD-722)](https://detailenjoyer.com/case/roboclassical/index.md): In and around Carrara, Italy, studios such as Robotor use large multi-axis industrial robots to carve marble from 3D scans or digital models. Software turns the model into… - [Fish Fattening (DD-723)](https://detailenjoyer.com/case/fish-fattening/index.md): Bluefin tuna 'fattening' or ranching is capture-based aquaculture: wild tuna are caught, usually by purse seine, towed in cages to farms and fed for months before harvest, mainly… - [Algaecultural (DD-724)](https://detailenjoyer.com/case/algaecultural/index.md): Microalgae are grown in open ponds or in closed photobioreactors (glass or plastic tubes and panels) that supply light, CO2 and nutrients. The footage is credited to Jongerius… - [The Glacier That Bleeds (DD-725)](https://detailenjoyer.com/case/the-glacier-that-bleeds/index.md): Blood Falls is a sporadic outflow of brine at the snout of Taylor Glacier in the McMurdo Dry Valleys, where the glacier ends at ice-covered Lake Bonney. Griffith Taylor found it… - [Independence Day (DD-726)](https://detailenjoyer.com/case/independence-day/index.md): July 4, 2026 was the 250th anniversary, or semiquincentennial, of the adoption of the Declaration of Independence. The Second Continental Congress voted for independence on July… - [Anduril (DD-727)](https://detailenjoyer.com/case/anduril/index.md): Anduril Industries was incorporated on April 20, 2017, by Palmer Luckey (creator of the Oculus Rift), Trae Stephens, Matt Grimm, Joe Chen and Brian Schimpf (now CEO). It's based… - [The Odyssey (DD-728)](https://detailenjoyer.com/case/the-odyssey/index.md): The Odyssey is an ancient Greek epic poem in 24 books, traditionally attributed to Homer and generally dated to around the late 8th or early 7th century BCE. It follows Odysseus,… - [Whale Milk (DD-729)](https://detailenjoyer.com/case/whale-milk/index.md): Baleen whale milk at mid-lactation is about 30-50% fat, 9-15% protein and only 40-53% water. Toothed whales and dolphins produce thinner milk, about 10-30% fat. Whales have no… - [Canadian Wildfires (DD-730)](https://detailenjoyer.com/case/canadian-wildfires/index.md): Canada's 2023 wildfire season was the largest since national records began, burning about 15 million hectares (the widely reported 18.5 million was a preliminary operational… - [National NEO (DD-731)](https://detailenjoyer.com/case/national-neo/index.md): In 1983, Matsushita Electric (now Panasonic) aired a TV ad for National 'Neo Hi-Top' batteries, titled 'Because the Building Is There' (そこにビルがあるからだ篇). A battery-powered toy… - [I'm Obsessed... (DD-732)](https://detailenjoyer.com/case/im-obsessed/index.md): Obsession is an R-rated horror film written and directed by Curry Barker, released in U.S. theaters by Focus Features on May 15, 2026. Bear (Michael Johnston), a music-store… - [Iranian Missile Cities (DD-733)](https://detailenjoyer.com/case/iranian-missile-cities/index.md): Iran's Islamic Revolutionary Guard Corps (IRGC) has publicized underground 'missile cities' in state-released videos. In March 2025 it showed a large facility where Iranian media… - [Volar eVTOL (DD-734)](https://detailenjoyer.com/case/volar-evtol/index.md): Bellwether Industries, founded in London in 2019, is developing the Volar, a wingless lifting-body eVTOL with ducted fans hidden inside its body. In November 2021, a half-scale,… - [CrabMaxxing (DD-735)](https://detailenjoyer.com/case/crabmaxxing/index.md): In northeastern China, especially around Panjin in Liaoning, farmers stock Chinese mitten crabs (Eriocheir sinensis) in rice paddies. Studies there report that the crabs help… - [Shoot-and-Scoot (DD-736)](https://detailenjoyer.com/case/shoot-and-scoot/index.md): The NORA-B52 is a 155 mm, 52-caliber self-propelled gun-howitzer made by Serbia's state-owned Yugoimport-SDPR, mounted on 8x8 truck chassis (KAMAZ and MAN). According to the… - [Elytra Lift (DD-737)](https://detailenjoyer.com/case/elytra-lift/index.md): A ladybird's spotted elytra are hardened forewings. Its membranous hindwings do the flying and fold away beneath the elytra when not in use. In 2017, Kazuya Saito and colleagues… - [Hefei Fusion (DD-738)](https://detailenjoyer.com/case/hefei-fusion/index.md): On June 27, 2026, the Institute of Plasma Physics in Hefei (ASIPP) completed and accepted a toroidal field superconducting magnet for CRAFT, China's Comprehensive Research… - [Branched Flow (DD-739)](https://detailenjoyer.com/case/branched-flow/index.md): Branched flow happens when waves pass through a weak, smoothly varying disorder whose features are larger than the wavelength. The waves form channels of higher intensity that… - [Kenny POWERs (DD-740)](https://detailenjoyer.com/case/kenny-powers/index.md): The St. Lawrence 'Super Jump' was Canadian stuntman Ken Carter's project, begun in 1976, to jump a rocket-powered Lincoln Continental about a mile from near Morrisburg, Ontario… - [(Z) Pinch Me (DD-741)](https://detailenjoyer.com/case/z-pinch-me/index.md): In a Z-pinch, current flowing along the axis of a plasma or a metal target creates a circular (azimuthal) magnetic field, and the resulting Lorentz force drives the material… - [Rick Charls (DD-742)](https://detailenjoyer.com/case/rick-charls/index.md): In 1983, ABC's Wide World of Sports staged its last World Record High Dive at SeaWorld San Diego. To count, a dive had to include at least one somersault, and the diver had to… - [Happiness (DD-743)](https://detailenjoyer.com/case/happiness/index.md): Research by Kent Berridge and Morten Kringelbach separates 'wanting' (incentive motivation, in which dopamine plays a major part) from 'liking' (hedonic pleasure). Liking depends… - [Sadness (DD-744)](https://detailenjoyer.com/case/sadness/index.md): A 2020 multidisciplinary review describes sadness as a normal emotion with distributed brain correlates. These include the subgenual anterior cingulate cortex, the dorsal… - [Anger (DD-745)](https://detailenjoyer.com/case/anger/index.md): Neuroscience reviews describe reactive anger and aggression as driven by a threat system running from the amygdala through the hypothalamus to the periaqueductal gray (PAG). The… - [Disgust (DD-746)](https://detailenjoyer.com/case/disgust/index.md): Imaging studies link the anterior insula to disgust. In one study, how strongly people felt disgust tracked anterior insula activity regardless of its form. The insula isn't… - [Surprise (DD-747)](https://detailenjoyer.com/case/surprise/index.md): The locus coeruleus (LC) is a small nucleus in the brainstem and the brain's main source of noradrenaline (norepinephrine). Brainstem fMRI studies show that deviant, behaviorally… - [Fear (DD-748)](https://detailenjoyer.com/case/fear/index.md): When the amygdala perceives danger, it signals the hypothalamus. The hypothalamus activates the sympathetic nervous system, and the adrenal glands release epinephrine… - [SSRIs (DD-749)](https://detailenjoyer.com/case/ssris/index.md): SSRIs inhibit the serotonin transporter (SERT) on presynaptic neurons, so serotonin stays in the synaptic cleft longer. They act on SERT within hours, but the NHS says benefits… - [Spray Foam Fun (DD-750)](https://detailenjoyer.com/case/spray-foam-fun/index.md): Spray polyurethane foam is mixed on site from an isocyanate side (polymeric MDI) and a polyol blend containing catalysts, surfactants and fire retardants. Open-cell foam is blown… - [Salvadoran Salvation (DD-751)](https://detailenjoyer.com/case/salvadoran-salvation/index.md): El Salvador recorded 6,656 homicides in 2015, a rate of about 105 per 100,000 and among the highest in the world. The Attorney General's office reported 114 for 2024. Since March… - [Cosmic Freezer (DD-752)](https://detailenjoyer.com/case/coldest-place-universe-v2/index.md): The coldest place in the universe isn't the void between galaxies. It's a dying star's breath, 5,000 light-years away, at 1 K (-272 °C). - [Sweet Disaster (DD-753)](https://detailenjoyer.com/case/great-molasses-flood/index.md): In 1919, a 25-foot wave of molasses tore through Boston at 35 mph and killed 21 people. - [Temperature Tiles (DD-754)](https://detailenjoyer.com/case/temperature-tiles/index.md): The Space Shuttle's thermal protection system used about 24,300 tiles, mostly silica-fiber ceramic, to shield the orbiter during reentry. The highest-temperature tiles were rated… - [Vertical Parking (DD-755)](https://detailenjoyer.com/case/vertical-parking/index.md): Before the robot could fetch a bike in seconds, someone had to decide to bury the bike rack. Giken designed the ECO Cycle to end messy, illegal bike parking around busy train… - [Munitions Management (DD-756)](https://detailenjoyer.com/case/munitions-management/index.md): Armed forces, including the U.S. military, accumulate excess, obsolete or unserviceable ammunition during long deployments. Because it can't be discarded like ordinary waste, it… - [Dragon Drones (DD-757)](https://detailenjoyer.com/case/dragon-drones/index.md): Dragon drones are drones, typically modified first-person-view (FPV) types, that release burning thermite over positions; Ukrainian forces used them in the Russo-Ukrainian war,… - [Feeling Froggy? (DD-758)](https://detailenjoyer.com/case/feeling-froggy/index.md): The wood frog (Lithobates sylvaticus), found across North America from the American Midwest and southern Canada to Interior Alaska, can survive with about 65-70% of its body… ## Collections Curated, ordered series of case files across departments (machine-readable: api/collections.json). - [The Arsenal (COL-01)](https://detailenjoyer.com/collections/the-arsenal/): Weapons, defense and the factories behind them. Case files: Atomic Annie (DD-004), Cannikin Quake (DD-026), EKV: Exoatmospheric Kill Vehicle (DD-011), Mobile Mortars (DD-021), Sending EMALS (DD-025), Supersonic Striker (DD-036), XB-70 Valkyrie (DD-048), Anduril (DD-727), Bethlehem Steel (DD-010), Hypersonic Missiles (DD-059), Iranian Missile Cities (DD-733), Shoot-and-Scoot (DD-736), B52 Stratofortress (DD-708), USS Gerald R. Ford (DD-710), Gassed Up...Way Up (DD-711), Ekranoplan (DD-704), Ballistic Trident (DD-627), Northrop Grumman (DD-604), The Iron Dome (DD-606), Flying Bike (DD-584), Duga (DD-592), Raytheon (DD-621), 2-Billion Dollar B=2 (DD-295), Blackbird (DD-117), King Tiger (DD-146), Destroyer (DD-147), Typhoon (DD-148), Subs (DD-149), Helo (DD-150), Railguns (DD-151), SAMs (DD-152), The Atomic Gun (DD-083), Angel of Death (DD-436), Tanking Railways (DD-411) - [Extreme Cold (COL-02)](https://detailenjoyer.com/collections/extreme-cold/): Liquid nitrogen, millikelvin fridges, a tunnel built for -40 °F, a city carved from river ice, Everest's death zone, a glacier that bleeds, a nuclear icebreaker built for 2.8 m of ice, a nebula at 1 K, snowflakes that never quite match, glacier ice that glows blue, emperor penguin dads who fast all winter, polar bears that swim between floes, Mercury's frozen nights and the tundra's permafrost. Case files: CryoBranding (DD-006), Quantum Infrastructure (DD-012), One Roof Town (DD-008), Winter in Harbin (DD-034), Foreverest (DD-063), The Glacier That Bleeds (DD-725), Uranium Ural (DD-579), Cosmic Freezer (DD-752), No Perfect Crystallizations (DD-288), Iceberg Blue (DD-299), Emperor Penguins (DD-115), Polar (DD-119), Mercury (DD-133), Earth's Harshest Biome (DD-212), The Fingers of Death (DD-264), What Are You Waiting For? (DD-273), Glacial Waterfalls (DD-316), To Break the Ice (DD-318), Preserve Your Bubbles (DD-326), ICECORE (DD-398), nICE (DD-382), Snowplower (DD-409), Advanced Bicycle Riding II (DD-419), FREEZING (DD-444), Just a Chill Dog (DD-458), Immune to Cold (DD-467), How Water Freezes (DD-468), Layer by Layer (DD-470), Frozen Gators (DD-491), The Plunge (DD-497), Feeling Froggy? (DD-758) - [Inside the Body (COL-03)](https://detailenjoyer.com/collections/inside-the-body/): Cells, organelles, bacteria-eating immune cells, the things floating in your eyes, blood moving through living vessels, veins sealed shut from the inside, red cells bent into sickles, heart pumps that work from outside a child's chest, lungs that give way to sudden pressure and the scanners that image you. Case files: Eukaryotic (DD-003), The Vault (DD-015), Starry Eyed (DD-001), Macrophagia (DD-044), Blood Watch (DD-649), Sclerotherapy (DD-597), Sickled Cells (DD-613), Berlin Heart (DD-577), Imploder (DD-593), An MRI's Skeleton (DD-290), I Wanted You to Know... (DD-265), Bacteria Hunters (DD-309), Your Heart in a Glass (DD-315), Embryonic Development (DD-333), Blood Destruction (DD-395), Articulated Prosthesis (DD-438), Rabies Crazies (DD-420), Root of the Problem (DD-448), Seeing Things Differently (DD-454), Face Creator (DD-465), MAiD (DD-487), Lens Crafter (DD-492), Shifty Periphery (DD-502), Cell Death (DD-523), Wet Response (DD-525), HHS (DD-539), AI Surgery II (DD-549) - [Machines of Tomorrow (COL-04)](https://detailenjoyer.com/collections/machines-of-tomorrow/): Robots, robot arms that carve marble, braided robot muscles, flying fans, new factories, AI road cameras, sails pushed by sunlight, turbines lifted by helium, an uncrewed combat jet, drones that knock ice off power lines, a wingless eVTOL prototype, robots that build a lunar test tower, a soft gripper shaped like an octopus arm, a droid trained in simulation and a virtual prison that exists only as a concept. Case files: WHRGs 2026 (DD-023), Gravity, or Lunavity? (DD-007), Rapid Liquid Printing (RLP) (DD-013), Ocean-3 (DD-022), TeraFab (DD-016), The Flock (DD-030), Solar Sailing (DD-039), Airborne Wind Turbines (DD-050), Anduril (DD-727), Self-Made Modular (DD-061), Volar eVTOL (DD-734), RoboClassical (DD-722), RoboWeaving (DD-716), Drone De-icing (DD-699), Octopus Robo-Grip (DD-601), NVIDIA's Blue (DD-614), A Prison for Your Mind (DD-305), Ectogenesis (DD-324), BioInspired Robots (DD-082), Drone Swarms (DD-437), AI Surgery (DD-408), Print Your Home (DD-440) - [Engineering Oddities (COL-05)](https://detailenjoyer.com/collections/engineering-oddities/): Clever machines that solve small problems in surprising ways, from spinning LED 'hologram' fans to tubs that melt a city's snow, new pipes cured inside old ones, pumps that squeeze fluid through a tube, trailer floors that walk their load out, air-held domes over building sites, wire that springs back to shape when heated, farm sprinklers that strike themselves to turn, rocket test stands flooded with water, a calculator that never finishes dividing by zero, train couplers that lock on contact and the awning that shaded the Colosseum. Case files: Vertical Parking II (DD-009), Modern Mahjong (DD-017), Footstep Power (DD-014), Probe IV (DD-002), Print Precision (DD-005), Torque Conversion (DD-075), Piston Pumps (DD-072), Gas Blasting (DD-070), HoloFans (DD-630), HoloFans II (DD-700), New York Hot Tub (DD-702), CIPP (DD-676), Peristaltic Pumps (DD-689), Walking Floors (DD-665), Construction Covers (DD-631), Shape Memory (DD-616), Sprinkle Of Truth (DD-581), Deluge Days (DD-594), Vertical Parking (DD-755), OVER 0 (DD-284), Knuckle Coupling (DD-303), The Colosseum (DD-121), Dredging Up the...Ground? (DD-323), A Step Up (DD-341), The Googol Gears (DD-327), Earth Movers I (DD-359), Quarrels With Quarrying? (DD-376), Baffling (DD-410), Rolling Steel (DD-423) - [Places With a Story (COL-06)](https://detailenjoyer.com/collections/places-with-a-story/): A town in one building, a lake in the sky, a glacier that bleeds, a pyramid hotel in Las Vegas, a Roman arch carved with the Temple's spoils, a bridge that floats on a reservoir, an escalator up granite cliffs, all of the ancient Seven Wonders and the New 7 Wonders, and more. Case files: One Roof Town (DD-008), Heavenly Lake (DD-019), Bethlehem Steel (DD-010), Water Forest Park (DD-027), The Chronicles of Georgia (DD-028), The Line (DD-031), Winter in Harbin (DD-034), Tilted Town (DD-035), The White Temple (DD-042), Coffin Homes (DD-046), Dead Pools (DD-049), Foreverest (DD-063), The Glacier That Bleeds (DD-725), Danakil Depression (DD-055), Plitvice Pure (DD-717), Reservoir Ruin (DD-718), Haus des Glockenspiels (DD-698), Three Whale Rock (DD-703), Mount Bokty (DD-706), The Wailing Wall (DD-673), Siwa Salt Oasis (DD-675), One Incense Pillar (DD-682), Lux or Luxor (DD-686), da Vinci's Double Helix (DD-688), Arch of Titus (DD-690), Lingshan Lift (DD-707), The Kaaba (DD-655), Buoyancy Bridge II (DD-658), ProsperiTree (DD-659), BAPS NJ (DD-660), Three Gorges (DD-643), Aquatic Ambulances (DD-644), Rainbow Mountains (DD-646), Kawah Ijen (DD-600), Kailasa Temple (DD-605), Mount Kailash (DD-607), Mercedes Stadium (DD-617), The Glades (DD-619), Hallgrímskirkja (DD-567), Baikonur Cosmodrome (DD-570), Bunker Valentin (DD-571), Unlimited Bladeworks (DD-572), Buzludzha (DD-573), Starbase (DD-582), The Motherland Calls (DD-590), Ardabil (DD-620), Chichen Itza (DD-120), The Colosseum (DD-121), Taj Mahal (DD-123), The Great Pyramid (DD-092), Hanging Gardens (DD-094), Zeus @ Olympia (DD-096), Temple of Artemis (DD-098), Mausoleum at Halicarnassus (DD-100), Colossus of Rhodes (DD-102), Lighthouse of Alexandria (DD-104), The Great Wall (DD-111), Petra (DD-114), Christ the Redeemer (DD-116), Machu Picchu (DD-118), Iguazu (DD-153), Eiffel (DD-156), Empire State (DD-157), Burj Khalifa (DD-158), The City of 10,000 Shrines (DD-195), Thera (DD-196), Catalan Gothic (DD-197), The Red City (DD-198), Soft Coral Capital of the World! (DD-199), Visit This Tropical Paradise (DD-200), Life on The Palm (DD-250), Astonishing Arabian Architecture (DD-251), Mall of the Emirates (DD-252), A Winter Oasis (DD-253), Wanderlust & Desert Dust (DD-254), The Bermuda Triangle (DD-079), Towering Tower (DD-363), Maeklong Market (DD-370), Sanctuary of Truth (DD-379), The Titanpointe (DD-400), Enter Sion (DD-406), Shanghai (DD-430), Blood Beach (DD-443) - [Power and Energy (COL-07)](https://detailenjoyer.com/collections/power-and-energy/): Waves, solar mountains, wind turbines on airships, offshore rigs, footsteps, reactor pools, a car built to waste less fuel, a 582-ton fusion magnet, plasma squeezed by its own current, the world's largest hydropower dam, solar panels that float and an icebreaker driven by two reactors. Case files: Ocean-3 (DD-022), Guizhou Solar (DD-032), Offshore Oil (DD-033), Data Centers (DD-029), Footstep Power (DD-014), Cherenkov Glow (DD-020), Probe IV (DD-002), Airborne Wind Turbines (DD-050), Hefei Fusion (DD-738), (Z) Pinch Me (DD-741), Three Gorges (DD-643), Floatovoltaics (DD-608), Uranium Ural (DD-579), Energizer (DD-236), Type I (DD-263) - [From Transistors to Qubits (COL-08)](https://detailenjoyer.com/collections/transistors-to-qubits/): The hardware behind computing, from Ada Lovelace's notes and 1971 to a film made of molecules and the quantum fridge. Case files: Shrinking Circuits (DD-018), TeraFab (DD-016), Quantum Infrastructure (DD-012), Ocean-3 (DD-022), Data Centers (DD-029), Atomic Stop-motion (DD-663), Ada All-Time (DD-095), The Future Is Now (DD-238), Entanglement (DD-080), Quantum Shenanigans (DD-338), A Look Inside (DD-389) - [Everyday Physics (COL-09)](https://detailenjoyer.com/collections/everyday-physics/): Wine tears, inkjet drops, a blue glow that outruns light in water, a street that fools your balance, paint held on by static, the fluid inside an automatic car, water that carries a current, a laser that branches in a soap film, a golf ball that squashes and springs back, a crane kept upright by its counterweights, sunscreen that goes dark on a UV camera, vapor trails left by radiation, rainbows that are really circles, iron too hot for a magnet, beads that fall into a bell curve, metal that sparks in a microwave, a desk toy that passes momentum down the line, plasma made in a microwave, the ball in a ballpoint pen, water that holds itself together, a match head catching fire, a camera that bends propellers, charges that link up into lightning, plasma, the fourth state of matter,, the quartz crystal that keeps your watch on time and the metals that color fireworks. Case files: Marangoni Motion (DD-024), Print Precision (DD-005), Cherenkov Glow (DD-020), Tilted Town (DD-035), Static Spray (DD-051), Torque Conversion (DD-075), Liquid Lights (DD-073), Branched Flow (DD-739), Golf Balling (DD-695), Counter Crane (DD-687), UV Face (DD-654), Cloud Chambers (DD-623), Around the Rainbow (DD-651), Point Curie (DD-669), Central Limits (DD-588), Microwave Metal (DD-589), Newtons Cradle (DD-286), Making Plasma in the Microwave (DD-287), Getting to the (Ball)Point (DD-304), Is Water Sticky? (DD-296), A Real Hot Head (DD-300), Video Trickery (DD-301), Linking Up (DD-302), Plasma (DD-113), Quartz Crystals (DD-168), Fire Works (DD-155), CASCADE (DD-269), You're Spinning Me Around (DD-274), The Strings of Fate (DD-319), See Right Through Me (DD-332), Sudsy (DD-345), Computer Wave Control (DD-356), Acoustic Levitation (DD-394), Video Trickery II (DD-461) - [The Nuclear Age (COL-10)](https://detailenjoyer.com/collections/nuclear-age/): An atomic cannon, a 1950s nuclear bomber still in service, a Mach 3 bomber that never went to war, a megaton test under Alaska, a bomber stripped of its nuclear role, a submarine-launched nuclear missile, the interceptors built to stop warheads, a reactor's blue glow, the first seconds of a nuclear fireball, the corium mass under Chernobyl and the pines its radiation killed. Case files: Atomic Annie (DD-004), B52 Stratofortress (DD-708), XB-70 Valkyrie (DD-048), Cannikin Quake (DD-026), Supersonic Striker (DD-036), Ballistic Trident (DD-627), EKV: Exoatmospheric Kill Vehicle (DD-011), Cherenkov Glow (DD-020), Nuclear Fireball (DD-052), NUCLEAR DISASTER (DD-297), The Red Forest (DD-105), Kiloton (DD-270), The Atomic Gun (DD-083), Nuclear Shadows (DD-330), Fall Marya (DD-412) - [The Sun and the Stars (COL-11)](https://detailenjoyer.com/collections/sun-and-stars/): How stars are born, what the Sun throws into space, what's left when a massive star collapses, how sunlight can push a spacecraft, the plasma clouds the Sun hurls at Earth and the black holes that light up quasars. Case files: Stellar Birth (DD-037), Solar Prominence (DD-038), Neutron Spin (DD-058), Solar Sailing (DD-039), Coronal Mass Ejection (DD-091), Quasi-Stellar (DD-106), Nebula (DD-087), Event Horizon (DD-089), striking! (DD-393), 433 Eros (DD-380), Lunar Topography (DD-385) - [Persons of Interest (COL-12)](https://detailenjoyer.com/collections/persons-of-interest/): Short, sourced profiles of the people behind the headlines, with each living person's status checked as of the date shown. Case files: Branson (DD-053), Karp (DD-062), The Shah (DD-065), Tyler, The Creator (DD-207), Felix Falls (DD-637), Nic Mad (DD-068), Ellison (DD-069), Kirk (DD-672), Ali Khamenei (DD-076), Air Jordan (DD-713), Kenny POWERs (DD-740), Rick Charls (DD-742), Rosalind (DD-093), Ada All-Time (DD-095), Cleo (DD-099), Martha (DD-107), Jack (DD-108), The Beast of Rome (DD-214), The First Roman Emperor (DD-213), Little Boot (DD-215), Canute the Great (DD-216), Charlemagne (DD-217), The Last Czar (DD-218), Russia's Greatest Empress (DD-219), The Virgin Queen (DD-220), The Famine Queen (DD-221), Khan of Khans (DD-222), SHŌGUN (DD-223), Le Petit Caporal (DD-224), Performing Emperor (DD-078), ArisTutor (DD-081), Tenzing on Top (DD-084) - [The Brain (COL-13)](https://detailenjoyer.com/collections/the-brain/): Wiring, neurochemistry and emotion: the connections and chemistry behind how you think and feel. Case files: Connected (DD-635), Happiness (DD-743), Sadness (DD-744), Anger (DD-745), Disgust (DD-746), Surprise (DD-747), Fear (DD-748), SSRIs (DD-749), Synaptic Transmission (DD-275), Seems Familiar (DD-429), Neuralink (DD-527) ## Data - [Collections API (JSON)](https://detailenjoyer.com/api/collections.json): curated series, ordered case files, PDF links - [All case-file facts (Markdown)](https://detailenjoyer.com/llms-full.txt): every quick fact, write-up, transcript and source - [Case files API (JSON)](https://detailenjoyer.com/api/cases.json): slug, title, summary, facts, sources, media, updated - [Atom feed](https://detailenjoyer.com/feed.xml): newest case files ## Pages - [Detail.ai search](https://detailenjoyer.com/learn/): grounded, cited answers from the case files; deep link with /learn/?q=your+question - [Videos](https://detailenjoyer.com/videos/): every Reel with transcript - [Quizzes](https://detailenjoyer.com/quiz/): multiple-choice quizzes built from the case files - [Reel vs. Record: Myth vs. Fact](https://detailenjoyer.com/corrections/index.md): every fact-check note from the case files (what each Reel said, what the record says, sources), typed Confirmed, Wrong, Overstated, Missing context and so on; my own fact-check, with ClaimReview markup; JSON at https://detailenjoyer.com/api/corrections.json - [The Timeline](https://detailenjoyer.com/timeline/index.md): every dated event in the case files, oldest first, with date precision and planned/projected status; JSON at https://detailenjoyer.com/api/timeline.json - [The Places Map](https://detailenjoyer.com/places/index.md): every place named in the case files, with coordinates and traveling files that span several places; JSON at https://detailenjoyer.com/api/places.json - [Today's Detail](https://detailenjoyer.com/daily/index.md): one quotable fact a day (with fact ID and case-file permalink); JSON at https://detailenjoyer.com/api/daily.json - [About the creator](https://detailenjoyer.com/about/): Marcus Easterling ## Optional - [Suggest a case file](https://detailenjoyer.com/suggest/) - [Sitemap](https://detailenjoyer.com/sitemap.xml) - [Video sitemap](https://detailenjoyer.com/video-sitemap.xml)