All articles starting with H
20,046 articles
Halt and Catch Fire (computing)
Halt and Catch Fire (HCF) is a joke mnemonic for a machine instruction that halts a processor beyond normal recovery, first printed in a 1967 Datamation humor piece.
Halt and Catch Fire (TV series)
Halt and Catch Fire is AMC's 2014–2017 drama by Christopher Cantwell and Christopher C. Rogers about the 1980s PC revolution, starring Lee Pace, Scoot McNairy, Mackenzie Davis, and Kerry Bishé.
Halt Medical, Inc.
Halt Medical, Inc. was a Livermore, California medical device company that developed the Acessa Procedure, a uterine-sparing fibroid treatment cleared by the FDA in 2012 before the company filed for bankruptcy in 2017.
HALT-C trial
HALT-C (Hepatitis C Antiviral Long-term Treatment against Cirrhosis) trial, a US NIH randomized trial testing low-dose maintenance peginterferon in prior interferon nonresponders with advanced hepatitis C fibrosis.
Halten Øst Oil and Gas Field
Halten Øst is a gas and condensate field in the Norwegian Sea east of Åsgard, combining six discoveries into one subsea development that began producing in March 2025.
Halteres
Halteres, from the French word for dumbbell, are club-shaped organs of true flies evolved from the hindwings that act as gyroscopes, sensing body rotations and stabilizing flight.
Haltern
Haltern: Augustan Roman military complex on the Lippe in Westphalia, Germany, also identified with Aliso; main camp of 19 hectares, Legio XIX garrison, abandoned after Varus's 9 CE defeat.
Halting problem
The halting problem, also known as Turing's halting theorem, asks whether a program halts on a given input; Alan Turing proved in 1936 that no algorithm solves it.
Halton
Halton (Regional Municipality of Halton), Ontario regional municipality in the Greater Toronto and Hamilton Area; municipalities Burlington, Halton Hills, Milton, Oakville; 596,637 residents (2021), 965.71 km², 24-member Regional Council, projected 1.1 million by 2051.
Haltwhistle Burn Roman Fortlet and Camp
Haltwhistle Burn Roman Fortlet and Camp: early 2nd-century Roman fortlet (c. AD 105) on the Stanegate road in Northumberland, guarding the burn crossing, with associated temporary camps, excavated 1907-8 by Gibson and Simpson, superseded by Hadrian's Wall.
Haluk Bilginer
Haluk Bilginer, also known as Nihat Haluk Bilginer, is a Turkish actor recognized for his work in British soap operas and his celebrated performances in Winter Sleep.
Haluk Tezcan
Haluk Tezcan is a Turkish-trained, board-certified medical oncologist and hematologist serving as Chief Medical Officer of Droplet Biosciences in Cambridge, Massachusetts, after co-founding a liquid biopsy startup acquired by Roche.
Halusa
Halusa (Halusi) is a two-row mancala game of early modern Mesopotamia, first described by Thomas Hyde in 1694 near Baghdad; six counters per hole, anti-clockwise sowing, and even-number capture rules distinguish it.
Halva (حلوى)
Halva (حلوى, ḥalwā, "sweet") is a family of dense confections from the Middle East, Balkans, and South Asia, in flour/semolina and tahini-based forms, with records from 7th-century Arabia and pre-Islamic Persia.
Halvard Hanevold
Halvard Hanevold (1969–2019) was a Norwegian biathlete who won six Olympic medals, including three gold, and five world titles; born in Asker, he retired at 40 with Olympic relay gold in Vancouver.
Halve Maen
The Halve Maen (Half Moon) was the Dutch East India Company ship sailed by Henry Hudson up the Hudson River in 1609, opening Dutch colonization of New Netherland.
Halveti order
The Halveti order, also known as Khalwatiyya, is a Sufi order that emerged in Azerbaijan and became one of the most widespread orders in the Ottoman Empire.
Halvor Egner Granerud
Halvor Egner Granerud (born 1996, Oslo) is a Norwegian ski jumper from Asker Skiklubb, two-time overall World Cup champion (2020/21, 2022/23), 2022/23 Four Hills winner, and 2020 ski-flying team world champion.
Halvor Møgster
Halvor Møgster (Halvor Olai Larsen Møgster, later Kolbeinsvik, 1875–1950), Norwegian sailor from Austevoll, Bergens Seilforening; won 1920 Antwerp Olympic gold in the 12 metres class aboard Atlanta with eight crewmates.
Halvor N. Christensen
Halvor N. Christensen was an American biochemist at the University of Michigan who established that amino acids cross cell membranes through multiple distinct, separately regulated transport systems.
Halvor Olai Birkeland
Halvor Olai Birkeland (1894–1971), Norwegian sailor from Austevoll; won 1920 Antwerp Olympic gold in 12 metres (1907 Rating) aboard Atlanta with brother Rasmus; Bergens Seilforening member.
Halvor Solberg
Halvor Solberg (1895–1974) was a Norwegian meteorologist who gave the Bergen School's cyclone model its mathematical form and identified the polar front, the boundary along which low-pressure systems form.
Ḩalwān, Cairo
Ḩalwān (حلوان), usually written Helwan, is a district and city on the Nile about 25 km south of central Cairo, known for its sulfur springs and industry.
Halyard Capital
Halyard Capital is a lower-middle-market private equity firm formed in 2000 and based in Sarasota, Florida, investing $10 million to $40 million per company in technology and communications.
Halyk Bank
Halyk Bank (JSC Halyk Bank of Kazakhstan) is Kazakhstan's largest bank and its oldest publicly listed company, holding roughly 30% of the country's banking assets, loans, and deposits.
Halyna Hutchins
Halyna Hutchins (Halyna Anatoliivna Androsovych, 1979–2021), Ukrainian-born Los Angeles cinematographer, AFI graduate, American Cinematographer Rising Star 2019, known for Darlin', Archenemy, Blindfire; killed October 21, 2021 by a live round from a prop revolver on the Rust set near Santa Fe.
Halyna Pahutiak
Halyna Pahutiak (Галина Пагутяк), born Halyna Moskalets in 1958, is a Ukrainian fantasy writer drawing on Carpathian legends and winner of the 2010 Taras Shevchenko Prize.
Halyna Pundyk
Halyna Pundyk (Галина Василівна Пундик, Galya Pundik), Ukrainian sabre fencer born 1987; won 2008 Beijing Olympic team sabre gold with Ukraine and multiple world and European team medals.
Halysites
Halysites, the chain coral, is an extinct Silurian tabulate coral genus (family Halysitidae) whose oval corallites form chain-like ranks enclosing lacunae, separated by diagnostic tubules; cosmopolitan Silurian reef former tolerant of muddy water.
Ham
Ham: the cured hind leg of pork, from US city ham and country ham to Parma, Serrano, and Ibérico. Covers dry vs wet curing, nitrite chemistry and limits, PDO rules, curing times, and 2024 market data.