All articles starting with H
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Helicopter Eela
Helicopter Eela (हेलीकॉप्टर ईला) is a 2018 Hindi comedy-drama directed by Pradeep Sarkar, starring Kajol as an overprotective single mother, adapted from Anand Gandhi's Gujarati play Beta Kaagdo; released 12 October 2018, it flopped with about ₹4 crore net in India.
Helicopter emergency medical services pilots
Helicopter emergency medical services (HEMS) pilots are commercial pilots who fly air ambulance missions, moving patients and transplant organs between scenes, hospitals, and trauma centers.
Helicopter flight controls
Helicopter flight controls are the cockpit inputs, chiefly the collective, the cyclic, and antitorque pedals, that a pilot uses to manage a helicopter's lift, attitude, and heading.
Helicopter hieroglyphs
The helicopter hieroglyphs are overlapping carvings on a lintel at the Temple of Seti I at Abydos, Egypt, formed when Ramesses II's titles were carved over Seti I's, producing shapes resembling a helicopter.
Helicopter money
Helicopter money, also known as a helicopter drop, is a proposed stimulus in which tax cuts or payments to households are financed by a permanent increase in the monetary base.
Helicopter parent
Helicopter parent: an overinvolved, hyperprotective caregiver, also called overparenting. Term coined 1990 (Cline and Fay); marked by high warmth, high control, low autonomy granting; linked to anxiety, depression, and poor adjustment, with effects varying by culture.
Helicopter rotor
A helicopter rotor is a set of rotating, pitched blades, driven through a transmission, that generates the lift, thrust, and control forces keeping a helicopter airborne and maneuverable.
Helicoverpa armigera
Helicoverpa armigera, the Old World bollworm or cotton bollworm (Noctuidae), is a major polyphagous crop pest native to the Old World that invaded South America around 2013, hybridizes with H. zea, and resists 48 insecticide active ingredients.
Helicoverpa zea
Helicoverpa zea (corn earworm, bollworm, tomato fruitworm), a noctuid moth native to the Americas and a major polyphagous crop pest, known for Bt and insecticide resistance and hybridization with invasive Helicoverpa armigera in Brazil.
Helictite
A helictite is a curving speleothem, or cave formation, that grows sideways and upward in apparent defiance of gravity, fed by water seeping through a tiny central canal.
Helictotrichon
Helictotrichon (oat grasses), Poaceae genus published 1827 by Besser ex Schultes & Schult.f.; about 30 accepted species of temperate perennial grasses, narrowed by molecular work, including ornamental blue oat grass H. sempervirens.
Hélie de Bourdeilles
Hélie de Bourdeilles was a French Franciscan who served as bishop of Périgueux, archbishop of Tours, and cardinal, and reported in Joan of Arc's rehabilitation.
Helielectric nematic phase
The helielectric nematic phase (HN) is a liquid-crystal state in which a fluid's spontaneous polarization winds into a helix, first reported in 2021 at South China University of Technology.
Heligoland
Heligoland (Helgoland) is a German North Sea archipelago about 60 km offshore: a 1.0 km² red sandstone island plus the Düne. British 1807–1890, German since the Heligoland-Zanzibar Treaty, returned 1952.
Heligoland (album)
Heligoland (album): fifth studio album by Massive Attack, released February 2010 on Virgin; Daddy G's return after 12 years, guests Albarn, Sandoval, Garvey, Adebimpe; Metascore 72.
Heligoland-Zanzibar Treaty
The Heligoland-Zanzibar Treaty was an agreement between Great Britain and Germany, signed on 1 July 1890, exchanging Heligoland for German recognition of British claims to Zanzibar.
Helike (moon)
Helike, also designated Jupiter XLV and provisionally S/2003 J 6, is a small retrograde irregular moon of Jupiter in the Ananke group, discovered in 2003.
Helin power station
Helin power station is a coal-fired power station in Horinger, Hohhot, Inner Mongolia, China, with two supercritical units of at least 1,200 megawatts commissioned in 2019.
Hélio Castroneves
Hélio Castroneves (Hélio Alves de Castro Neves), Brazilian racing driver born 1975, in São Paulo; four-time Indianapolis 500 winner (2001, 2002, 2009, 2021) with Meyer Shank Racing, 31 Indy car wins, 50 poles, no series championship, nicknamed Spiderman for his fence climbs.
Hélio Gracie
Hélio Gracie (1913–2009), Brazilian jiu-jitsu master and fighter of the Gracie family, brother of Carlos Gracie; famous for the 1951 Kimura match, the Gracie academies in Rio, and fathering the sons who created the UFC.
Hélio Oiticica
Hélio Oiticica (1937–1980) was a Brazilian artist known for evolving from geometric abstraction to creating participatory art. His major works include the immersive environment Tropicália and the Parangolés series.
Hélio Pellegrino
Hélio Pellegrino (1924–1988) was a Brazilian psychoanalyst, poet, essayist, and journalist, born in Belo Horizonte, who opposed the military dictatorship and co-founded Brazil's first Social Clinic of Psychoanalysis.
Heliocentric orbit
A heliocentric orbit, also known as a solar orbit, is an orbit around the Sun, followed by every planet, dwarf planet, asteroid, and comet in the solar system.
Heliocentrism
Heliocentrism, also known as the Copernican heliocentric system, is the astronomical model placing the Sun rather than Earth at the center, advanced by Aristarchus and published by Nicolaus Copernicus in 1543.
Heliodoros
Heliodoros (हेलियोडोरोस) was a Greek ambassador from the Indo-Greek king Antialkidas to the Shunga ruler Bhagabhadra at Vidisha, who erected the Besnagar Garuda pillar honoring Vasudeva about 113 BC.
Heliodorus
Heliodorus (Ἡλιόδωρος) was a Greek ambassador from Taxila, sent by the Indo-Greek king Antialkidas to the Shunga king Bhagabhadra, who dedicated the Besnagar Garuda pillar to Vasudeva.
Heliodorus pillar
The Heliodorus pillar is a free-standing sandstone column at Besnagar, Vidisha, India, erected in the second century BC by the Greek envoy Heliodorus as a Garuda standard to Vasudeva.
Heliogen
Heliogen is an American renewable energy company founded in 2013 and based in Pasadena, California, that develops concentrated solar power systems delivering carbon-free industrial heat, steam, and green hydrogen.
Heliograph
A heliograph is a signaling instrument that transmits messages by reflecting flashes of sunlight from mirrors in Morse code, used by armies worldwide from the 1870s until the 1960s.
Heliolites
Heliolites is an extinct colonial tabulate coral, type genus of the family Heliolitidae, named by James Dwight Dana in 1846 and sometimes called the "sun coral" for its sunburst-like colonies.