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All articles starting with H

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Highly branched cyclic dextrin

Highly branched cyclic dextrin (HBCD) is a high-molecular-weight maltodextrin made from waxy corn starch by a branching enzyme, sold as Cluster Dextrin and used mainly in sports drinks.

Highly charged ion

A highly charged ion is an atom stripped of many or all of its electrons, serving as a laboratory for quantum electrodynamics, plasma diagnostics, and next-generation optical clocks.

Highly charged ion optical clock

A highly charged ion optical clock is an atomic clock using an ion with many electrons removed; the first, based on Ar¹³⁺, was demonstrated in 2022.

Highly composite number

A highly composite number, also called an anti-prime or maximally divisible number, is a positive integer with more divisors than any smaller one, first analyzed by Ramanujan in 1915.

Highly elliptical orbit

A highly elliptical orbit (HEO) is an Earth orbit with eccentricity above 0.25, used by Molniya and Tundra satellites to serve high northern latitudes where geostationary coverage fails.

Highly nonlinear fiber

Highly nonlinear fiber (HNLF) is a silica optical fiber with a nonlinear coefficient over 16 times that of standard fiber, used in parametric amplifiers and wavelength converters.

Highly Suspect

Highly Suspect (also styled Highly Suspect band) is an American rock band formed 2009 in Cape Cod, Massachusetts, around Johnny Stevens and twins Ryan and Rich Meyer; known for Mister Asylum, "My Name Is Human," three Grammy nominations, and 800-plus live shows.

HighPoint Technologies

HighPoint Technologies is an American storage hardware company founded in 1995 and based in Fremont, California, that makes RAID controllers, host bus adapters, and PCIe switch adapters for servers and AI infrastructure.

HighRadius

HighRadius is a Houston-based fintech company founded by Sashi Narahari in 2006 that sells cloud software automating order-to-cash processes, becoming a venture-backed unicorn valued at $3.1 billion in 2021.

Highschool of the Dead (学園黙示録)

Highschool of the Dead (学園黙示録, Gakuen Mokushiroku) is an unfinished seven-volume zombie-survival manga by Daisuke Satō (story) and Shōji Satō (art), serialized in Monthly Dragon Age, adapted by Madhouse into a 2010 twelve-episode anime plus the Drifters of the DEAD OVA.

Highspot

Highspot, Inc. was a Seattle-based sales enablement software company founded in 2012 by former Microsoft employees, which raised about $650 million and merged with its longtime competitor Seismic in 2026.

Highstand systems tract

The highstand systems tract (HST) is, in sequence stratigraphy, the upper tract of a sequence, deposited when high, slowly rising sea level lets sediment supply outpace accommodation.

HighTide Therapeutics (君圣泰)

HighTide Therapeutics (君圣泰) is a Shenzhen-based biopharmaceutical company founded by Liu Liping in 2011, known for HTD1801, a type 2 diabetes drug accepted for review by China's NMPA in 2026.

Hightouch

Hightouch is a San Francisco software company selling a composable customer data platform and AI marketing tools built on a company's existing data warehouse, founded by three former Segment employees.

Hightown (TV series)

Hightown is a Starz crime drama (2020–2024) created by Rebecca Perry Cutter, set in Provincetown, Cape Cod, starring Monica Raymund as fisheries agent Jackie Quiñones; three seasons, 25 episodes, later a Netflix Top 10 title.

Highvale Coal Mine

Highvale Coal Mine was a large surface strip coal mine at Wabamun Lake, west of Edmonton, Alberta, owned by TransAlta. Opened in 1970, it closed on December 31, 2021.

Highview Power

Highview Power is a UK-based developer of Liquid Air Energy Storage plants under its CRYOBattery brand, founded in 2005 and behind the first grid-scale plant at Bury in 2018.

Highvista Private Equity

HighVista Private Equity is the private equity fund series of HighVista Strategies, a Boston alternatives manager founded in 2004, which closed Fund XI at $800 million in 2026.

Highway

A highway, also called a super-highway, is a major public road; in US federal law the term covers any road, street, or parkway with its bridges and tunnels.

Highway (2014 Hindi film)

Highway (हाईवे) is a 2014 Hindi road film written and directed by Imtiaz Ali, starring Alia Bhatt as abducted bride Veera and Randeep Hooda as her captor Mahabir; released 21 February 2014, it explores Stockholm syndrome and reshaped Bhatt's career.

Highway 10 (Saudi Arabia)

Highway 10 (Saudi Arabia) runs from Ad Darb to the UAE border at al-Batha and holds the Guinness record for the longest straight road: a 240 km desert stretch built originally for King Fahd.

Highway 61 Revisited

Highway 61 Revisited, Bob Dylan's sixth studio album (Columbia, August 30, 1965), his first fully electric rock record, recorded at Columbia Studio A with Tom Wilson and Bob Johnston, opening with "Like a Rolling Stone."

Highway Beautification Act

The Highway Beautification Act is a 1965 United States federal law requiring states to control billboards and junkyards along the Interstate System, on pain of losing federal highway funds.

Highway Capacity Manual

The Highway Capacity Manual is the US transportation engineering reference for estimating the capacity and level of service of highways, streets, and intersections, first published in 1950.

Highway Development and Management Model

The Highway Development and Management Model (HDM) is World Bank-developed software used by road administrations in 100 countries to appraise road maintenance and investment decisions.

Highway hypnosis

Highway hypnosis, also called driving without awareness or DWAM, is a trance-like automatic driving state with amnesia after predictable, monotonous motorway driving; Wertheim's 1978 eye-movement theory and EEG studies explain it.

Highway network (machine learning)

A highway network is a deep neural network in which each layer has learned gates letting information pass unchanged, enabling training of networks hundreds of layers deep.

Highway of Death

Highway of Death: stretch of Highway 80 north of Kuwait City where coalition aircraft destroyed retreating Iraqi convoys on 26–27 February 1991, ending the Gulf War's ground campaign; also called Death Road.

Highway of Tears

Highway of Tears is a 724-kilometer stretch of Yellowhead Highway 16 in British Columbia. It is known for dozens of Indigenous women who have gone missing or been murdered since 1969.

Highway Patrol Group (Philippines)

The Highway Patrol Group (HPG) is the Philippine National Police unit enforcing traffic laws on national highways and leading anti-carnapping operations; it began in 1955 and took its present name in 2008.