All articles starting with B
27,400 articles
Bell Boeing Quad TiltRotor
The Bell Boeing Quad TiltRotor (QTR) was a proposed four-rotor derivative of the V-22 Osprey, studied by Bell and Boeing for the Army's Joint Heavy Lift program but never flown.
Bell Bottom (2021 film)
Bell Bottom is a 2021 Indian Hindi-language spy thriller directed by Ranjit M. Tewari and starring Akshay Kumar, about a RAW agent who foils a 1984 airliner hijacking.
Bell Canada
Bell Canada, originally the Bell Telephone Company of Canada, is a Canadian telecommunications company headquartered in Montreal. Founded in 1880, it is a wholly owned subsidiary of BCE Inc.
Bell Centre
Bell Centre (Centre Bell), Montreal's downtown multipurpose arena, opened March 16, 1996 as the Molson Centre; home of the NHL Montreal Canadiens, over 21,000 seats, largest NHL capacity.
Bell County, Texas, United States
Bell County, Texas, a Central Texas county established in 1850 and named for Governor Peter H. Bell. County seat Belton; largest city Killeen. Home of Fort Hood (Fort Cavazos 2023–2025); 2020 population 370,647, 15th of 254 Texas counties.
Bell hooks
bell hooks (Gloria Jean Watkins, 1952–2021) was an American feminist theorist and cultural critic, author of Ain't I a Woman and All About Love, known for interlocking critiques of racism, sexism, and class and for engaged pedagogy at Berea College.
Bell Labs
Bell Labs, also known as Bell Telephone Laboratories, is an industrial research and development organization founded in 1925, now owned by Nokia, credited with the transistor, information theory, and Unix.
Bell Labs Holmdel Complex
The Bell Labs Holmdel Complex is a Eero Saarinen-designed research campus in Holmdel, New Jersey, used by Bell Labs from 1959 to 2007 and now redeveloped as Bell Works.
Bell Marques
Bell Marques (Washington Bell Marques da Silva) is a Brazilian singer and composer, born in Salvador in 1952, lead vocalist of the axé band Chiclete com Banana from 1986 to 2014.
Bell Media
Bell Media Inc. is the media and entertainment subsidiary of Bell Canada/BCE, created April 1, 2011 in BCE's $3.2-billion CTV acquisition. Brands: CTV, TSN, RDS, Crave, Noovo, iHeartRadio Canada, Astral; 2025 revenue $3,154 million; Crave 4.6 million subscribers.
Bell Mobility
Bell Mobility Inc., formerly Bell Cellular, is a Canadian mobile wireless carrier owned by Bell Canada and one of the country's three national carriers, with over 10 million mobile customers at the end of 2024.
Bell number
The Bell number B(n) is the number of ways to partition a set of n labeled elements into non-empty subsets; the sequence begins 1, 1, 2, 5, 15.
Bell numbers
The Bell numbers, named for mathematician Eric Temple Bell, count the partitions of a set of n labeled elements, beginning 1, 1, 2, 5, 15, 52.
Bell OH-58 Kiowa
The Bell OH-58 Kiowa, also known as the OH-58D Kiowa Warrior, is a single-engine light military helicopter derived from the Bell 206 that served the US Army from 1969 to 2017.
Bell P-39 Airacobra
The Bell P-39 Airacobra was a World War II fighter built by Bell for the US Army Air Forces, with an engine behind the pilot and a 37 mm cannon.
Bell P-59 Airacomet
The Bell P-59 Airacomet, built by the Bell Aircraft Corporation, was the first jet-propelled airplane flown in the United States, first flying at Muroc, California, in 1942.
Bell P-63 Kingcobra
The Bell P-63 Kingcobra was an American World War II fighter developed from the P-39, never used in combat by the USAAF, and flown in large numbers by the Soviet Union.
Bell patent of 1876 (US Patent 174,465)
The Bell patent of 1876, titled "Improvement in Telegraphy," is US Patent 174,465, granted to Alexander Graham Bell on March 7, 1876, covering the transmission of speech by undulatory electric currents.
Bell pepper
Bell pepper (Capsicum annuum sweet group), also called sweet pepper or capsicum: a blocky, thick-walled, non-pungent pepper whose green, yellow, orange, red, or brown fruit color comes from chlorophyll, carotenoid, and anthocyanin pigments during ripening.
Bell polynomials
Bell polynomials are polynomials introduced by Eric Temple Bell in 1934 that encode the combinatorics of set partitions, appearing in the Faà di Bruno formula and moment–cumulant relations.
Bell Regio
Bell Regio is a 1,778-km volcanic rise on Venus at 32.8°N, 51.4°E, home to Tepev Mons, Nyx Mons, Nefertiti corona, and Otafuku Tholi, and distinguished by its lack of rift zones.
Bell Rock Lighthouse
The Bell Rock Lighthouse, built on the Bell Rock (Inchcape) reef off Angus, Scotland, from 1807 to 1810, is the world's oldest surviving sea-washed lighthouse.
Bell state
A Bell state, also known as a Bell pair or EPR pair, is one of four maximally entangled two-qubit states used in Bell tests and quantum teleportation.
Bell System
The Bell System, nicknamed Ma Bell, was the collection of companies led by AT&T that provided most US telephone service until its antitrust breakup on January 1, 1984.
Bell Telephone Company
The Bell Telephone Company, founded in Boston in 1877, was the first corporation formed to commercialize Alexander Graham Bell's telephone and became the parent of AT&T.
Bell test
A Bell test, also called a Bell experiment, measures correlations between entangled particles and compares them with a Bell inequality that local realism cannot exceed.
Bell Textron
Bell Textron, also known as Bell Helicopter, is an American manufacturer of military and commercial helicopters and tiltrotor aircraft, headquartered in Fort Worth, Texas, as a Textron subsidiary.
Bell Tower (near Hereford)
Bell Tower (near Hereford): the Grade I listed detached 13th-century sandstone belfry of Holy Trinity Church, Bosbury, Herefordshire; 8.8 m square, refuge-like design, ring of six bells, one of about seven detached towers in the county.
Bell Tower (near Peterborough)
Bell Tower (near Peterborough): the Grade I detached medieval bell tower with spire at Fleet, Lincolnshire (NHLE 1064521), built c.1300, restored 1798 and 1843, serving the Church of St Mary Magdalen.
Bell UH-1 Iroquois
The Bell UH-1 Iroquois, commonly known as the Huey, is an American utility military helicopter that first flew in 1956 and became the defining helicopter of the Vietnam War.