All articles starting with H
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Harley-Davidson Sportster
The Harley-Davidson Sportster is a line of Harley-Davidson motorcycles produced since 1957, spanning air-cooled Ironhead and Evolution V-Twins until 2022 and the liquid-cooled Sportster S.
Harley-Davidson Super Glide
The Harley-Davidson Super Glide is a cruiser motorcycle introduced in 1971 as the FX Super Glide, credited as the industry's first factory custom, designed by Willie G. Davidson.
Harley-Davidson Touring
Harley-Davidson Touring, marketed as Grand American Touring, is a family of large long-distance motorcycles with hard saddlebags, fairings, and large-displacement V-twin engines, tracing to the 1965 Electra Glide.
Harley-Davidson Twin Cam engine
The Harley-Davidson Twin Cam is a 45-degree air-cooled pushrod V-twin that powered Big Twin motorcycles from 1999 to 2017, named for its two chain-driven camshafts, one per cylinder.
Harley-Davidson VRSC
The Harley-Davidson VRSC, marketed as the V-Rod, is a performance cruiser produced from 2002 to 2017, the first Harley-Davidson with overhead camshafts and liquid cooling.
Harleys in Hawaii
"Harleys in Hawaii" is a 2019 song by American singer Katy Perry about riding motorcycles through Hawaii with a lover, written with Charlie Puth and later popularized on TikTok.
Harlingen, Texas
Harlingen, Texas: a Rio Grande Valley city in Cameron County founded in 1904 by Lon C. Hill, population about 72,000, a distribution and healthcare center with Valley International Airport, the Port of Harlingen, and low cost of living.
Harllee Branch Generating Plant
Harllee Branch Generating Plant, known as Plant Branch, was a coal-fired power station in Putnam County, Georgia, owned by Georgia Power and retired between 2013 and 2015.
Harlots (TV series)
Harlots is a British period drama (2017-2020, three seasons, 24 episodes) created by Moira Buffini and Alison Newman for ITV Encore and Hulu, starring Samantha Morton and Lesley Manville as rival 1760s London madams, inspired by Harris's List.
Harlow
Harlow, Essex: a British new town designated in 1947 to relieve overcrowding in north-east London, master-planned by Sir Frederick Gibberd with green wedges, neighbourhood units, The Lawn tower, and a major 2020s town centre regeneration.
Harlow Jane
Harlow Jane (Harlow Olivia Calliope Jane), American actress born 2003 in Los Angeles, daughter of Thomas Jane and Patricia Arquette; known for I Love Us, Dig, She Came to Me, High Desert, and as Caroline Shaw in Peacock's The Five-Star Weekend.
Harlow Shapley
Harlow Shapley was an American astronomer who located the center of the Milky Way in Sagittarius and directed the Harvard College Observatory from 1921 to 1952.
Harlow's monkey experiments
Harlow's monkey experiments were Harry Harlow's studies at the University of Wisconsin–Madison, begun in 1957, showing infant monkeys preferred cloth surrogates over milk-providing wire ones.
Harm principle
The harm principle, from Mill's On Liberty (1859), holds that power over an individual is justified only to prevent harm to others, not self-harm; central to liberal criminalization debates with Feinberg, Hart, and Raz.
Harm‐Anton Klok
Harm-Anton Klok, born 1971 in the Netherlands, is a polymer chemist and full professor at EPFL, where he leads the Polymers Laboratory and studies polymer brushes, biologically inspired polymers, and precision polymerization.
Harmachis (High Priest of Ptah)
Harmachis, called Horemakhet in Egyptian, was High Priest of Ptah at Memphis under the Ptolemies, succeeding his brother Djedhor in 223 BC and dying between 194 and 180 BC.
Harmakhis Vallis
Harmakhis Vallis is an approximately 800-km-long outflow channel on Mars cutting the eastern rim of the Hellas basin, IAU-named in 1979 after the ancient Egyptian word for Mars, formed by collapse and water and later filled with glacial, ice-rich material.
Harmala alkaloid
Harmala alkaloids are β-carboline alkaloids (harmine, harmaline, harmalol, harmol, harmane, THH) from Peganum harmala and Banisteriopsis caapi; reversible MAO-A inhibitors used in ayahuasca, with antitumor and antidiabetic activities and serotonergic drug-interaction risks.
Harmaliyah Oil and Gas Field
Harmaliyah Oil and Gas Field (الحرملية) is an onshore oil field in Saudi Arabia's Eastern Province, discovered in 1971, operated by Saudi Aramco, and producing 35° API Arab-D oil.
Harman Baweja
Harman Baweja (born 1980, Chandigarh), Indian actor, writer, and producer, son of filmmaker Harry Baweja; debuted in Love Story 2050 (2008), later Chairman and MD of Baweja Studios, producer of Chaar Sahibzaade and Mrs.
Harman International
Harman International is an American audio and connected-car technology company headquartered in Stamford, Connecticut, and a wholly owned subsidiary of Samsung Electronics since 2017, owning audio brands including JBL, Harman Kardon, AKG, and Infinity.
Harman Kardon
Harman Kardon is an American audio brand founded in 1953 by Sidney Harman and Bernard Kardon, known for high-fidelity home audio, speakers, and premium car audio.
Harmanpreet Kaur (ਹਰਮਨਪ੍ਰੀਤ ਕੌਰ)
Harmanpreet Kaur (ਹਰਮਨਪ੍ਰੀਤ ਕੌਰ), born 1989, is an Indian cricketer who captained India women in 211 matches, won the 2025 Women's Cricket World Cup and Asian Games golds, and led Mumbai Indians to WPL titles before stepping down in October 2026.
Harmattan
The Harmattan, also called the doctor, is a dry, dust-bearing northeasterly wind over West Africa from late November to mid-March, carrying Saharan dust toward the Gulf of Guinea.
Harmattan AI
Harmattan AI is a Paris-based French defense-technology startup founded in 2024 by Mouad M'Ghari, building surveillance and strike drones; it became a unicorn valued at $1.4 billion in 2026.
HarmBench
HarmBench is an open-source framework for automated red teaming of large language models, created by the Center for AI Safety and partners and published at ICML 2024.
Harmeet Dhillon
Harmeet K. Dhillon, Sikh American lawyer from Chandigarh, founded Dhillon Law Group and the Center for American Liberty, led California GOP and RNC roles, and became DOJ Assistant Attorney General for Civil Rights in April 2025.
Harmer E. Davis
Harmer E. Davis was an American civil engineer and UC Berkeley professor who directed the Institute of Transportation and Traffic Engineering from 1948 to 1973.
Harmful algal bloom
Harmful algal bloom (HAB): dense growth of algae or cyanobacteria in fresh or marine water producing toxins or oxygen depletion; driven by nutrients and warm water; cyanobacteria dominate freshwater, Karenia brevis Florida red tides.
Harminder Dua
Harminder Dua, full name Harminder Singh Dua, is a British ophthalmologist and professor at the University of Nottingham, known for discovering a previously undetected layer of the cornea.