QED may refer to:
Mathematics, science, and technology
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Q.E.D.
Q.E.D. or QED is an initialism of the Latin phrase , meaning "which was to be demonstrated". Literally it states "what was to be shown". Traditionally, the abbreviation is placed at the end of mathematical proofs and philosophical arguments in pri ...
(), used at the end of a mathematical proof
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Quantum electrodynamics
In particle physics, quantum electrodynamics (QED) is the relativistic quantum field theory of electrodynamics. In essence, it describes how light and matter interact and is the first theory where full agreement between quantum mechanics and spec ...
, a field in particle physics
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QED (text editor), a 1960s line-oriented editor
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QED manifesto
The QED manifesto was a proposal for a computer-based database of all mathematical knowledge, strictly formalized and with all proofs having been checked automatically. (Q.E.D. means in Latin, meaning "which was to be demonstrated.")
Overview
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and project, a database of mathematical knowledge
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QEMU Enhanced Disk, a deprecated disk image format for machine emulation and virtualization
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Quantum Effect Devices
Quantum Effect Devices (QED) was a microprocessor design company incorporated in 1991 as Quantum Effect Design. It was based in Palo Alto, California.
History
The three founders, Tom Riordan, Earl Killian and Ray Kunita, were senior managers ...
, a microprocessor design company
Television
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KQED (TV)
KQED (channel 9) is a PBS member television station licensed to San Francisco, California, United States, serving the San Francisco Bay Area. The station is owned by KQED Inc., alongside fellow PBS station KQEH (channel 54) and NPR member KQED- ...
, public television station in San Francisco, California
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''Q.E.D.'' (U.S. TV series)
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''Q.E.D.'' (UK TV series)
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WQED (TV), public television station in Pittsburgh, Pennsylvania
Music
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QED (band), a 1980s Australian band
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''Q.E.D.'' (Terje Rypdal album), 1993
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''Q.E.D.'' (Jim Allchin album)
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QED Records or Emanem Records
Other uses
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Granville Gee Bee R-6, named "Q.E.D.", a 1930s racing monoplane
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QED: The Strange Theory of Light and Matter'', a 1985 physics book by Richard Feynman
*''Quod Erat Demonstrandum'', a 1903 novel by
Gertrude Stein
Gertrude Stein (February 3, 1874 – July 27, 1946) was an American novelist, poet, playwright, and art collector. Born in Pittsburgh, Pennsylvania, in the Allegheny West neighborhood and raised in Oakland, California, Stein moved to Paris ...
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''Q.E.D. (novel), a 1930 mystery novel by Lynn Brock
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''Quod Erat Demonstrandum'' (film), a 2013 Romanian drama film
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''QED'' (play), a 2001 play by Peter Parnell about Richard Feynman
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''Q.E.D.'' (manga), a 1997 manga by Motohiro Katou
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QED International, a film company
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QED: Question, Explore, Discover, annual skeptical conference held in Manchester, UK
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Quami Ekta Dal, a regional political party in India
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Quiet Electric Drive, a US Navy program to develop technologies for silent maritime propulsion
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