All articles starting with B
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Buchanan Rides Alone
Buchanan Rides Alone (1958) is a Budd Boetticher Western starring Randolph Scott as Tom Buchanan, framed for murder in the Agry family's corrupt border town; fourth film of the Ranown cycle, from Jonas Ward's novel The Name's Buchanan.
Buchanskyi Raion
Buchanskyi Raion (Бучанський район, Bucha Raion) is a district of Kyiv Oblast, Ukraine, created in the 2020 reform, centered on Bucha; 2,555.5 km², 141 settlements, 12 hromadas, about 352,000 people.
Bucharest
Bucharest (București), capital and largest city of Romania on the Dâmbovița river; first attested 1459, six sectors, 240 km², about 1.71 million residents, known for severe traffic congestion, air pollution, and the Palace of Parliament.
Bucharest Zoo
Bucharest Zoo (Grădina Zoologică București), a public zoo in Băneasa, Sector 1, Bucharest, founded 1955, opened 1959, official status 1962; over 150 species, 300,000 annual visitors, run by the Bucharest municipal government.
Buchbach
TSV Buchbach, Bavarian multi-sports club founded 1913; football team in Regionalliga Bayern (4th tier) since 2012/13, founding member; SMR-Arena, 2,500 seats; 75-game unbeaten run 1995-98.
Buchberger's algorithm
Buchberger's algorithm is an algorithm for computing a Gröbner basis of a polynomial ideal, introduced by Bruno Buchberger in his 1965 PhD thesis and built into all major computer algebra systems.
Buchdahl limit
The Buchdahl limit is a bound in general relativity, established by Hans A. Buchdahl in 1959, limiting the compactness of static, spherically symmetric stars: GM/Rc² cannot exceed 4/9.
Buchdahl's theorem
Buchdahl's theorem, proved by H. A. Buchdahl in 1959, states that a static, spherically symmetric star cannot be more compact than a mass-to-radius ratio of 4/9.
Buchenwald concentration camp
Buchenwald (KZ Buchenwald) was a Nazi concentration camp built in 1937 on the Ettersberg near Weimar, Germany. It held about 250,000 prisoners, ran over 88 subcamps, and was liberated by US forces on April 11, 1945.
Bucheon-si (city)
Bucheon-si (부천시) is a city in Gyeonggi Province, South Korea, between Seoul and Incheon. Created July 1, 1973 from Sosa-eup; 769,918 residents on 53.4 km²; name first used in 1914.
Bucher Emhart Glass
Bucher Emhart Glass, a Swiss division of Bucher Industries, makes machinery for glass container production and inspection; its IS forming machine is the industry standard worldwide.
Bucherer–Bergs reaction
The Bucherer–Bergs reaction combines an aldehyde or ketone, potassium cyanide, and ammonium carbonate to form a 5-substituted hydantoin, a precursor to α-amino acids and drugs like phenytoin.
Buchholz High School
Buchholz High School, formally F. W. Buchholz High School, is a public high school in Gainesville, Florida, best known for its math team's 16 national championships.
Büchi automaton
A Büchi automaton is a finite automaton that reads infinite words, accepting a run that visits an accepting state infinitely often; nondeterministic ones recognize exactly the ω-regular languages.
Buchi Emecheta
Buchi Emecheta (Florence Onyebuchi Emecheta, 1944–2017) was a Nigerian-born British novelist who wrote about the lives of African women; her best-known books include The Joys of Motherhood.
Buchia
Buchia (Aucella) is an extinct buchiid bivalve genus of the Late Jurassic to Early Cretaceous (Late Oxfordian–Hauterivian), a byssally attached filter feeder whose abundant, short-ranging species define Buchia zones used for Panboreal correlation.
Buchiola
Buchiola (Buchiola Barrande, 1881) is an extinct genus of small Devonian and Silurian fossil bivalve mollusks in the family Praecardiidae, type species B. retrostriata, known from Europe, North America, South Africa, and China.
Buchli drive
The Buchli drive is a single-axle electric locomotive drive invented by Swiss engineer Jakob Buchli for Brown, Boveri & Cie, powering the Swiss Ae 3/6 I and Ae 4/7 from 1920.
Buchnera
Buchnera is a genus of gram-negative bacteria that lives inside aphid cells and supplies essential amino acids, transmitted maternally and unable to survive outside its host.
Buchou Quantum (不筹量子)
Buchou Quantum (不筹量子), formally Shanghai Buchou Quantum Technology Co., Ltd., is a Chinese neutral-atom quantum computing startup founded in 2025 in Shanghai by Fudan University physics professor Li Xiaopeng.
Buchs
Buchs: name of several Swiss localities, notably Buchs AG (Aargau, ~8,700 residents, Roman villa on the Bühlrain) and Buchs SG (Werdenberg town, first recorded 765 as Pogio). Name from Latin buxum, boxwood.
Buchwald G3 precatalysts
Buchwald G3 precatalysts are air- and moisture-stable palladium(II) palladacycle complexes introduced by Stephen Buchwald's group at MIT in 2013, replacing G2 chloride with methanesulfonate to tolerate bulky phosphine ligands.
Buchwald–Hartwig amination
The Buchwald–Hartwig amination, also called the Buchwald–Hartwig reaction, is a palladium-catalyzed cross-coupling forming C–N bonds between amines and aryl halides, reported independently by Buchwald and Hartwig in 1995.
Bucillamine
Bucillamine (ブシラミン, Rimatil, SA96) is a dithiol cysteine-derivative DMARD for rheumatoid arthritis used in Japan and Korea, a potent thiol donor repurposed for COVID-19, cystinuria, transplantation, and nerve-agent countermeasures.
Buciumi
Buciumi (Docidava?) is a Roman auxiliary fort on the Grădiște plateau, Sălaj County, Romania, on the north-western limes of Dacia Porolissensis; earth fort 128×160 m, stone fort after 115 CE, excavated 1963–1976, now a UNESCO Dacian Limes component.
Buck (build system)
Buck is an open-source build system created at Facebook to build large, multi-language codebases quickly, open-sourced in 2013 and replaced by the Rust-based Buck2 in 2023.
Buck Angel
Buck Angel, born 1962, American trans man adult film performer who created the FTM porn genre as "the man with a pussy," won the 2007 AVN Transsexual Performer of the Year award, and later became a sex educator, entrepreneur, and controversial conservative-leaning commentator on transgender issues.
Buck Barrow
Buck Barrow (Marvin Ivan Barrow, 1903-1933), Clyde Barrow's older brother, joined the Barrow Gang with wife Blanche after a March 1933 pardon; wounded near Dexter, Iowa, he died July 29, 1933.
Buck converter
The buck converter, or step-down converter, is a DC-DC converter that reduces a higher DC voltage to a lower one, efficiently and with little power lost as heat.
Buck Dharma
Buck Dharma, born Donald Roeser (1947), is the founding lead guitarist and vocalist of Blue Öyster Cult, writer and singer of "(Don't Fear) The Reaper", solo album Flat Out (1982), honorary Doctor of Music (2026).