QED

Look up QED or Q.E.D. in Wiktionary, the free dictionary.

QED may refer to:

Mathematics, science, and technology

• Quod erat demonstrandum (Q.E.D.), used at the end of a mathematical proof
• Quantum electrodynamics, in particle physics
• QED (text editor), a 1960s line-oriented editor
• QED manifesto and project, a database of mathematical knowledge
• Quantum Effect Devices, a microprocessor design company

Entertainment and media

• QED: The Strange Theory of Light and Matter, a 1985 physics book by Richard Feynman
• QED (play), a 2001 play by Peter Parnell about Richard Feynman
• Q.E.D. (manga), a 1997 detective manga series by Motohiro Katou
• QED International, a film finance, production, and sales company founded by Bill Block in 2002

Television and film

• Q.E.D. (U.S. TV series), a 1982 adventure series
• Q.E.D. (BBC TV series), a British science series
• Quod Erat Demonstrandum (film), a 2013 Romanian film
• Quantum Entanglement Device, a prop used in the television show FlashForward

Music

• QED (band), a 1980s Australian New Wave band including Jenny Morris
• Q.E.D. (album), a 1993 album by Terje Rypdal
• QED Records, a temporary name of Emanem Records

Other uses

• QED: Question. Explore. Discover, a two-day sceptical science festival in Manchester by the Merseyside Skeptics Society

See also

• KQED (disambiguation)
• WQED (disambiguation)