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Haswell (microarchitecture)
Haswell, or Intel Haswell, is Intel's fourth-generation Core microarchitecture, launched in 2013, the successor to Ivy Bridge and the basis for Core i7, i5, and i3 processors.
Hatch (engineering company)
Hatch is a Canadian employee-owned engineering and project delivery firm headquartered in Toronto. Founded in 1955, it serves the metals and minerals, energy, and infrastructure sectors.
Hatch cover
A hatch cover is a movable steel or wooden structure closing a ship's cargo hold opening; the first steel cover was patented by Robert and Joseph MacGregor in 1929.
Hatchback
A hatchback is a passenger car whose rear door, incorporating the rear window, swings upward to open the cargo area to the cabin, unlike a sedan's trunk, in a two-box body design.
Hate speech detection
Hate speech detection is a natural language processing task that identifies language attacking people based on identity factors such as race or religion, used mainly for social media content moderation.
HATEOAS
HATEOAS (Hypermedia as the Engine of Application State) is a REST constraint, proposed by Roy Fielding in 2000, under which responses embed links that guide clients to valid next actions.
Hatfield House
Hatfield House is a Jacobean country house in Hatfield Park, Hertfordshire, built between 1607 and 1612 for Robert Cecil, chief minister to King James I.
Hatfields Ferry power station
Hatfields Ferry power station was a 1,728 MW coal-fired power station near Masontown in Greene County, Pennsylvania, which operated from 1969 until its 2013 deactivation.
Hatsukaichi LNG Terminal
The Hatsukaichi LNG Terminal is a liquefied natural gas import terminal in Hatsukaichi, Hiroshima Prefecture, Japan, opened in 1995 and owned by Hiroshima Gas, whose sole terminal receiving ocean-going LNG carriers.
Hatsune Miku
Hatsune Miku (初音ミク) is a Japanese VOCALOID voice synthesizer and virtual singer released in 2007 by Crypton Future Media, built from voice actress Saki Fujita's samples.
Haughton–Mars Project
The Haughton–Mars Project is a NASA-led field research program on Devon Island, Canada, using Haughton Crater as an analog for the Moon and Mars since 1997.
Haul truck
Haul truck (mining truck, rigid hauler): off-highway rigid-frame rear-dump truck for open-pit mining, from ~45 t to the 450 t BelAZ 75710; diesel-electric or mechanical drive, ultra-class models from Caterpillar, Komatsu, Liebherr, BelAZ.
Hauppauge Digital
Hauppauge Digital, Inc. is a developer and manufacturer of PC-based TV tuners, delisted from NASDAQ in 2013 after producing hardware under the WinTV brand.
Hauptbahnhof
Hauptbahnhof, abbreviated Hbf, is the German term for a city's principal railway station, the main node for long-distance and regional passenger traffic in Germany and Austria.
Haussmann's renovation of Paris
Haussmann's renovation of Paris, also known as Haussmannization, was a vast public works program commissioned by Napoleon III and directed by Georges-Eugène Haussmann between 1853 and 1870.
Hava SOJ
Hava SOJ, also designated ASOJ 23-A, is a Turkish stand-off jamming electronic warfare aircraft, a Bombardier Global 6000 conversion built for the Turkish Air Force with ASELSAN's jamming systems.
Haval Xiaolong MAX
The Haval Xiaolong MAX (哈弗枭龙MAX) is a mid-size plug-in hybrid SUV from Great Wall Motor's Haval brand, launched in China in May 2023 and redesigned in 2025.
Have I Been Pwned?
Have I Been Pwned? (HIBP) is a free website created by security researcher Troy Hunt that checks whether your email address or passwords have appeared in known data breaches.
Havells
Havells, also known as Havells India Limited, is an Indian fast-moving electrical goods company based in Noida that makes switchgear, cables, lighting, fans, and Lloyd air conditioners.
HAVELSAN
HAVELSAN is a Turkish defense technology company founded in 1982 and affiliated with the Turkish Armed Forces Foundation, known for the ADVENT and GENESIS combat management systems.
Haven-1
Haven-1 is a planned single-module commercial space station in low Earth orbit, developed by Vast of Long Beach, California, targeted to launch in 2027 on a SpaceX Falcon 9.
Havok (software)
Havok, also known as the Havok engine, is an Irish company providing physics, cloth, and navigation SDKs for video games and film, founded in Dublin in 1998.
Hawa Mahal (हवा महल)
Hawa Mahal (हवा महल), or Palace of the Winds, is a five-storey sandstone palace in Jaipur, India, built in 1799 by Maharaja Sawai Pratap Singh for royal women to watch the street unseen.
Hawaii Department of Transportation
The Hawaii Department of Transportation (HDOT) is the Hawaii state agency that plans and operates the state's highways, airports, and harbors, created by an act of 1959 after statehood.
Hawaiian Airlines
Hawaiian Airlines, also known as Hawaiian Air, is a Hawaii-based airline founded in 1929 as Inter-Island Airways and acquired by Alaska Air Group in 2024 for $1 billion.
Hawaiian Electric Industries
Hawaiian Electric Industries (HEI) is a Hawaii holding company, dating to 1891, whose main utility subsidiary supplies electricity to about 95 percent of Hawaii's residents.
Haweswater Aqueduct
The Haweswater Aqueduct is a 110 km gravity-fed pipeline carrying drinking water from Haweswater Reservoir in the Lake District to Manchester, serving 2.5 million people.
Hawk-Eye
Hawk-Eye is a multi-camera ball-tracking system developed in the United Kingdom and owned by Sony since 2011, used for officiating, broadcast graphics, and performance data in sports including tennis, cricket, football, and baseball.
Hawker 400
The Hawker 400, also known as the Beechjet, is a light business jet that began as the Mitsubishi MU-300 Diamond and was built by Beechcraft in Wichita until 2010.
Hawker 800
The Hawker 800 is a twin-engine midsize business jet derived from the British Aerospace 125, built by British Aerospace, Raytheon, and Hawker Beechcraft from 1983 to 2005.