- QED
QED may refer to:
*
Quantum electrodynamics , a field of physics
* "QED" (book), Richard Feynman's book about quantum electrodynamics
*Q.E.D. "Quod erat demonstrandum", a Latin phrase used at the end of a definitive proof.
*QED project , a database of mathematical knowledge
* Queen's Economics Department, atQueen's University in Kingston, ONArts
*
QED (Music) , a eurodance group.
*Q.E.D. (US TV series)
* "Q.E.D." (manga), a Japanese detective comic
* "QED" (novel), byGertrude Stein
* "QED" (play), byPeter Parnell
* "Q.E.D." (BBC TV series), a British science seriesComputing
*
QED (text editor)
*Quantum Explosion Dynamo , an object in the computer game "Commander Keen"Companies
*
Quantum Effect Devices , a maker of microprocessors
*Quality Education Data , purveyor of educational marketing data
*QED Books and software , a maths-specialist company, now merged withTarquin
* KQED, a public broadcasting radio and television station based in San Francisco, California
*WQED-FM , a public broadcasting radio station, or WQED, a public broadcasting television station, in Pittsburgh, Pennsylvania
*QED (audio cables) , manufacturer of high end audio cables
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