All articles starting with T
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Turnpike theory
Turnpike theory is a body of results in economic growth theory and optimal control stating that long-horizon optimal paths spend most of their time near a balanced path.
Turnspit dog
Turnspit dog (Canis vertigus, vernepator cur): extinct British breed, likely Welsh, bred from the 16th to 19th century to run in a kitchen treadwheel turning roasting spits; last specimen "Whiskey" at Abergavenny Museum.
Turnstile
A turnstile, also called a baffle gate, is a one-way gate with rotating arms that lets one person pass at a time, controlling admission and collecting fares.
Turnstile (band)
Turnstile: Baltimore hardcore punk band formed 2010 (Brendan Yates, Franz Lyons, Daniel Fang, Pat McCrory); albums Non Stop Feeling, Time & Space, Glow On, Never Enough; two 2026 Grammy wins.
Turnstile antenna
The turnstile antenna, also called a crossed-dipole antenna, is a radio antenna of two dipoles at right angles, invented by George H. Brown of RCA in 1936.
Turnstiles (album)
Turnstiles is Billy Joel's fourth studio album, released May 19, 1976 on Columbia. Self-produced in New York after aborted Caribou Ranch sessions, it was his first with his touring band, reached number 122 on the Billboard 200, and precedes The Stranger.
Turnstone Biologics Corp.
Turnstone Biologics Corp. was a La Jolla, California, biotechnology company that developed cancer immunotherapies for solid tumors, raising $449.8 million before merging into XOMA Royalty in 2025.
Turnt
Turnt (2018) is an American teen drama web series created by Rachel Stern for Facebook Watch, produced by Brat; 40 short episodes about Monroe High students, starring Madeleine Byrne, distinct from the 2020 Turnt film and Turnt AF.
TurnTable Charts
TurnTable Charts is a Nigerian music chart publication co-founded by Similoluwa Adegoke and Ayomide Oriowo in 2020, whose flagship TurnTable Nigeria Top 100 combines streaming and airplay data.
Turntablism
Turntablism, also called turntableism, is the art of using turntables and a mixer as musical instruments through scratching, beat juggling, and cutting; coined by DJ Babu in 1995 from hip-hop DJ culture, distinct from record playback DJing.
Turntide Technologies
Turntide Technologies, originally Software Motor Company, is an American electrification company headquartered in Sunnyvale, California, known for efficient switched reluctance motors for HVAC and vehicles.
Turnus (crater on Dione)
Turnus is a 101-km impact crater on Saturn's moon Dione at 15.59°, 345.31°, approved by the IAU in 1982 and named for the Rutulian king, Aeneas' rival for Lavinia in Virgil's Aeneid.
Turoctocog alfa
Turoctocog alfa (NovoEight, Novo Nordisk) is a third-generation B-domain-truncated recombinant factor VIII for hemophilia A, made in CHO cells without plasma, approved 2013, with no confirmed inhibitors in the guardian trials.
Turok
Turok, also Turok, Son of Stone, is a Native American comic-book warrior created in 1954 by Gaylord Du Bois for Dell, trapped with Andar in a dinosaur-filled Lost Valley; later Valiant, Acclaim video games, and Saber's Turok: Origins.
Turok (video game)
Turok: Dinosaur Hunter is a 1997 first-person shooter by Iguana Entertainment and Acclaim for Nintendo 64 and PC, the N64's first FPS, known for fog, dinosaurs, the Chronoscepter plot, and Nightdive's 2015 remaster.
Turok: Dinosaur Hunter
Turok: Dinosaur Hunter is Iguana Entertainment's 1997 Nintendo 64 first-person shooter based on Valiant's Turok comic, known for its fog-drawn streaming levels, key-based exploration, Chronoscepter quest, 1.5 million sales, and Nightdive's 2015 remaster.
Turok: Origins
Turok: Origins is an upcoming single-player and co-op action shooter by Saber Interactive, announced in December 2024 and scheduled to release in spring 2027 for PlayStation 5, Xbox Series X|S, Switch 2, and PC.
Turonian
The Turonian is a stage of the Late Cretaceous epoch lasting from about 93.9 to 89.8 million years ago, following the Cenomanian and preceding the Coniacian.
Turów mine
The Turów mine is a large open-pit lignite mine at Bogatynia in Lower Silesia, Poland, near the Czech and German borders, supplying the adjacent Turów power station.
Turów power station
Turów power station (Elektrownia Turów) is a lignite-fired power plant in Bogatynia, southwestern Poland, with about 2,000 megawatts of capacity, owned by PGE and supplied by the adjacent open-pit mine.
Turpan
Turpan (吐鲁番, Turfan), a prefecture-level city in Xinjiang, China: China's hottest city in a basin 155 m below sea level, home of the ancient karez underground irrigation channels, Silk Road city of Khocho/Gaochang, and a major grape-growing oasis.
Turpan Depression (吐鲁番盆地)
Turpan Depression (吐鲁番盆地, Turfan Depression), a fault-bounded trough in Xinjiang, China, southeast of Ürümqi; lowest point in China at Aiding Lake, 154 m below sea level, with an extremely arid climate and the ancient karez irrigation system.
Turpan water system
The Turpan water system is a network of karez, underground gravity-fed channels carrying mountain groundwater to oasis fields in the Turpan Basin of Xinjiang, China, some at least 600 years old.
Turpentine
Turpentine (spirit of turpentine, oil of turpentine, CAS 8006-64-2) is a pine-resin distillate of terpenes used as a solvent and camphor/menthol feedstock; flammable, 100 ppm exposure limit, once a major naval store.
Turpin case
The Turpin case: 2018 Perris, California prosecution of David and Louise Turpin for torturing and starving their 13 children; guilty pleas, 25-years-to-life sentences, and the 2022 Larson Report on Riverside County's failed aftercare.
Turquoise
Turquoise is an opaque blue to green phosphate of copper and aluminum prized as a gemstone since about 5000 BC, mined earliest in Egypt and Persia.
Turquoise (color)
Turquoise (color): a blue-green color named after the turquoise gemstone, from French turqueise "Turkish stone"; color name attested 1853, CSS value #40E0D0, blue from copper and green from iron in the mineral.
Turret
A turret is a small tower forming part of a larger building, first a castle defense and later a decorative feature of Queen Anne houses.
Turret 25B (St Oswald's)
Turret 25B (St Oswald's), Hadrian's Wall turret 25b in wall mile 25, Northumberland; located by Hepple in 1930, re-excavated 1959, no surface remains, buried site west of St Oswald's Church.
Turret 36B (Housesteads)
Turret 36B at Housesteads was a Roman watchtower on Hadrian's Wall in Northumberland, England, demolished around AD 124 when Housesteads fort was built over it.