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All articles starting with B

27,400 articles

Broad Reach Power

Broad Reach Power was a Houston-based independent power producer, founded in 2019 by EnCap Investments, that developed utility-scale battery energy storage systems across the United States.

Broad Socialists

The Broad Socialists (широки социалисти, or obshtodeltsi) were the reformist wing of Bulgarian social democracy that split from the Marxist left in 1903 under Yanko Sakuzov, pursuing change through parliamentary means.

Broad-gauge railway

A broad-gauge railway, or broad-gauge railroad, uses track wider than the 1,435 mm standard gauge, including 1,520 mm in Russia and 1,676 mm in India, Pakistan, and Spain.

Broad-line region

The broad-line region is the zone of dense gas a few light-days from an active galactic nucleus's supermassive black hole, producing broad emission lines used to measure black hole masses.

Broad-spectrum antibiotic

Broad-spectrum antibiotic: an antibacterial active against a wide range of bacteria, unlike narrow-spectrum drugs. Known for tetracyclines, microbiome disruption, resistance pressure, and de-escalation stewardship.

Broadband

Broadband is high-speed, always-on internet access delivered over fixed lines, radio networks, or satellites, covering technologies as different as DSL, cable, fiber, and mobile cellular.

Broadband achromatic metalenses (catenary-based)

Broadband achromatic catenary metalenses are flat lenses built from catenary-shaped metasurfaces, introduced to metasurfaces in 2015, that focus many wavelengths of light to a nearly common focal plane.

Broadband carpet cloak

A broadband carpet cloak is an invisibility device that hides objects on reflective surfaces over a wide range of frequencies, proposed by Pendry and Li in 2008.

Broadband Commission for Sustainable Development

The Broadband Commission for Sustainable Development is a public-private partnership established by the ITU and UNESCO in May 2010 to advocate universal, affordable broadband and issue policy recommendations linking it to development goals.

Broadband Forum

The Broadband Forum is a non-profit global standards body for broadband networks. Founded in 1994 as the ADSL Forum, it took its current name in 2008 and sets specifications like TR-069 and USP.

Broadcast (band)

Broadcast: Birmingham, England art-pop band formed 1995 by James Cargill and Trish Keenan, signed to Warp Records; albums The Noise Made By People, Haha Sound, Tender Buttons; ended with Keenan's 2011 death and the 2013 Berberian Sound Studio score.

Broadcast address

A broadcast address is a reserved IP address that instructs the network to deliver a datagram to every host on a target segment, including the limited form 255.255.255.255.

Broadcast auxiliary service

A broadcast auxiliary service is a category of FCC-licensed radio stations that support broadcasting, relaying programs between studios and transmitters and originating programs from remote locations.

Broadcast band

A broadcast band is a range of radio frequencies allocated by the International Telecommunication Union to the broadcasting service, covering terrestrial sound radio and television to the public.

Broadcast call signs

Broadcast call signs: regulator-assigned four-letter identifiers (K or W in the US, C in Canada, X in Mexico) for radio and TV stations, with suffixes like -FM, -TV, -DT, -LD, -CD, hourly on-air identification rules, and FCC LMS assignment.

Broadcast Channel API

The Broadcast Channel API is a web platform API letting same-origin tabs, iframes, and workers on one device send one-to-many messages by constructing BroadcastChannel objects with the same channel name.

Broadcast domain

A broadcast domain is the set of devices that receive broadcast frames at the link layer; it can span switches but ends at routers and VLAN boundaries.

Broadcast encryption

Broadcast encryption is a cryptographic method that lets a sender encrypt a message so a chosen set of recipients can decrypt it while excluded users, even colluding, learn nothing.

Broadcast Facilities Inc (BFI)

Broadcast Facilities Inc (BFI), later renamed Encompass Digital Media Inc, was a Los Angeles company providing network origination, transmission, and production services to cable networks.

Broadcast history methodology

Broadcast history methodology is the set of research methods historians use to study radio and television when much of what was transmitted no longer survives.

Broadcast law

Broadcast law governs licensing and content rules for radio and TV transmission, from the US Communications Act of 1934 and Red Lion scarcity doctrine to the UK Broadcasting Act 1990, Canada's CRTC and Online Streaming Act, and Australia's Broadcasting Services Act 1992.

Broadcast license

A broadcast license is a government authorization to operate a radio or TV station or use spectrum (FCC 8-year terms, Ofcom licences, CRTC licences), distinct from household TV licence fees funding public broadcasters such as the BBC's £180 UK charge.

Broadcast Music, Inc.

Broadcast Music, Inc., known as BMI, is an American performing rights organization that licenses over 20 million works and was founded in 1939 by radio broadcasters as a competitor to ASCAP.

Broadcast network

A broadcast network is an organization that acquires programs and distributes them over interconnected systems to affiliated local stations for uniform scheduled broadcasts, in television and radio.

Broadcast News (film)

Broadcast News is a 1987 American comedy-drama written and directed by James L. Brooks, following a love triangle among three Washington television journalists, starring Holly Hunter, Albert Brooks, and William Hurt.

Broadcast signal intrusion

Broadcast signal intrusion, also known as broadcast hijacking, is the unauthorized replacement of a television or radio signal with outside content, famously in Chicago's unsolved 1987 Max Headroom incident.

Broadcast storm

A broadcast storm is a flood of broadcast frames circulating endlessly through a Layer 2 loop in switched Ethernet, consuming all bandwidth and blocking legitimate traffic.

Broadcast syndication

Broadcast syndication, also called television syndication, is the licensing of TV or radio programs to individual stations in multiple markets, outside a national network's schedule.

Broadcast transmitter auxiliary systems

Broadcast transmitter auxiliary systems are the support equipment that keeps a transmitter's RF chain alive, covering cooling, high-voltage power supplies, redundancy with automatic changeover, and remote control and telemetry.

Broadcast.com

Broadcast.com (originally AudioNet), a Dallas-based streaming aggregator co-founded by Mark Cuban and Todd Wagner, went public in 1998 and was bought by Yahoo! for $5.7 billion in stock in 1999; shut down in 2002.