All articles starting with B

BQ Camelopardalis

BQ Camelopardalis is an O-type Be star and the optical counterpart of the transient X-ray pulsar V0332+53, a high-mass X-ray binary in Camelopardalis containing a strongly magnetized neutron star.

BQP

BQP, or Bounded-error Quantum Polynomial time, is the class of decision problems solvable in polynomial time with high probability on a quantum computer, including factoring via Shor's algorithm.

BR Circini

BR Circini, better known as Circinus X-1, is an X-ray binary in the constellation Circinus, first detected in 1969, containing a low-magnetic-field neutron star in a 16.6-day eccentric orbit.

BR Standard Class 9F

The BR Standard Class 9F is a 2-10-0 heavy freight steam locomotive designed under Robert Riddles, of which 251 were built from 1954 to 1960.

Br'er Rabbit, the trickster rabbit of African American folklore, hero of Joel Chandler Harris's Uncle Remus tales (1880), famous for the tar-baby story and briar-patch escape, with African roots and Disney adaptations.

Bra

Bra (brassiere): undergarment covering and supporting the breasts. From Cadolle's 1869 corselet-gorge and Crosby's 1914 Backless Brassiere patent to cup sizing, the 1979 Jogbra, and modern fit research.

Bra Boys

Bra Boys: a Maroubra, Sydney surf group founded in the 1990s around the Abberton brothers (Sunny, Koby, Jai), known for the 2003 Hines killing case and the record-grossing 2007 self-made documentary narrated by Russell Crowe.

Bra size

Bra size: a two-part garment label combining a band number (underbust circumference) and a cup letter (bust-minus-band difference). Also called cup size. Originated with Camp's 1932 A–D letters and Warner's 1935 alphabet bra; sizing systems differ by country and fitting accuracy is contested.

Bra–ket notation

Bra–ket notation, also called Dirac notation, is a notation for linear algebra introduced by Paul Dirac in 1930 that writes quantum states as kets and bras whose inner product, the braket, gives the notation its name.

Sep 29, 2026

Braak staging

Braak staging is a postmortem neuropathological method that grades Alzheimer's disease progression by the anatomical spread of tau tangles, assigning autopsy brains to six stages, I–VI.

Brabant Island (landform)

Brabant Island, Palmer Archipelago, Antarctica; French Île Brabant. Second largest island between Anvers and Liège Islands, 33 mi long, Mount Parry 2,520 m; named 1897-99 by Gerlache's Belgian expedition for Belgium's Brabant province; classified as an island, not an undersea feature.

Brabant killers

Brabant killers (Bende van Nijvel, Tueurs du Brabant): unidentified Belgian gang behind 1982–1985 supermarket robberies and murders, 28 dead, about 40 injured; case closed unsolved in June 2024.

Brabham

Brabham (Motor Racing Developments), British F1 constructor 1962-1992 founded by Jack Brabham and Ron Tauranac; 4 drivers' and 2 constructors' titles, 35 wins; BT19, BT46B fan car, BT52 BMW turbo.

Brabham BT46

Brabham BT46, 1978 Gordon Murray Formula One car with Alfa Romeo flat-12; its BT46B 'fan car' variant used an engine-driven rear fan for underbody suction, won the 1978 Swedish GP with Niki Lauda, its only race, then was withdrawn.

Brabourne Stadium

Brabourne Stadium, Mumbai cricket ground opened 7 December 1937, owned by the Cricket Club of India, named after Lord Brabourne; hosted 17 Tests 1948-1973, India's 726/9 in 2009, and IPL/WPL matches.

Brabus

Brabus, styled BRABUS, is a German automotive tuning and luxury vehicle company founded in Bottrop in 1977 by Bodo Buschmann and Klaus Brackmann, specializing in high-performance Mercedes-Benz refinement.

Brač

Brač (Italian Brazza, Chakavian Broč) is Croatia's third largest Adriatic island, 395.4 km², 13,825 people (2021), off Split. Highest Adriatic island peak Vidova gora (780 m); Venetian 1420–1797; famous for limestone and Zlatni Rat.

Braccio

The braccio (plural braccia, Italian for "arm") was a traditional Italian unit of length, nominally a human arm, used across most Italian cities until the metric system; it varied from 46 to 71 cm by city.

Brace Belden

Brace Belden, aka PissPigGranddad, is a San Francisco podcaster and labor organizer who fought about six months with the Kurdish YPG against ISIS in Syria, then cohosted the TrueAnon podcast.

Brace position

The brace position, also called the crash position, is a protective posture aircraft passengers and crew assume before impact or ditching to reduce head and limb injuries.

Braceface

Braceface is a Canadian animated series (premiered June 2, 2001, 78 episodes) created by Melissa Clark for Nelvana, about Sharon Spitz, whose malfunctioning braces cause chaos; Alicia Silverstone voiced her.

Bracelet

Bracelet: ornamental band, chain, or rigid ring worn on the wrist; also called bangle (closed rigid circle), cuff (open rigid band), or chain. Defined by construction, sizing, and ancient origins from Varna gold to Egyptian flint bangles.

Bracell Star power station

The Bracell Star power station, also known as UTE Bracell, is a biomass-fired cogeneration plant at Bracell's pulp mill in Lençóis Paulista, São Paulo, Brazil.

Oct 22, 2026

Bracero Program

The Bracero Program, officially the Mexican Farm Labor Program, was a series of U.S.–Mexico agreements under which millions of Mexican men worked short-term farm jobs from 1942 to 1964.

Braces

Braces: externally worn devices that support, immobilize, or reposition body parts. Covers orthopedic braces and orthoses (knee, ankle, spine, hand) and dental braces, with evidence on effectiveness, history, and access.

Sep 27, 2026

Brach Myers

Brach Myers is an American Republican politician and businessman who represents Louisiana's 23rd Senate district, having first been elected to the Louisiana House in 2023.

Brachial plexus

Brachial plexus: nerve network from C5–T1 anterior rami supplying the upper limb, organized as roots, trunks, divisions, cords, and five terminal branches; variants, injuries, imaging, and reconstruction are covered.

Sep 29, 2026

Brachial plexus block

A brachial plexus block, also called brachial plexus blockade, is a regional anesthesia technique that numbs the shoulder, arm, or hand for surgery and pain control.

Brachial plexus injury

Brachial plexus injury: damage to the C5-T1 nerve network serving shoulder, arm, and hand, from trauma, birth traction, gunshot, or tumor. Surgery timing under 6 months and nerve transfers improve recovery.