Critical Mass (Ska)

Critical mass is the amount of fissile material needed to sustain nuclear fission.

Critical mass may also refer to:

Science and technology

* Critical mass (sociodynamics), a stage in social-system innovation
* Critical mass (software engineering), a stage in the product life cycle of software

Organizations

* Critical Mass (cycling), a form of direct action involving large groups of bicycle riders
* Critical Mass (pressure group), a UK political pressure group
* Critical Mass Energy Project, an anti-nuclear umbrella group founded by Ralph Nader
** '' Critical Mass Journal'', published in 1977 by the Critical Mass Energy Project
* Critical Mass, a co-working center sponsored by the New England Venture Capital Association
* Critical Mass, a robotics team of the Dwight-Englewood School in Englewood, New Jersey

Literature

* ''Critical Mass'' (book), a 2004 book by Philip Ball
* ''Critical Mass'' (2013 book), a 2013 novel by Sara Paretsky
* "Critical Mass" (Pohl and Kornbluth short story), a 1962 story by Frederik Pohl and Cyril M. Kornbluth
* "Critical Mass" (Arthur C. Clarke short story), a 1949 short story by Arthur C. Clarke
* '' Critical Masses: Opposition to Nuclear Power in California, 1958–1978'', a 1998 book by Thomas Wellock
* ''Critical Mass'', a 1990 seven-issue comic book anthology printed under Epic Comics's Shadowline Saga imprint

Film and television

* ''Critical Mass'', a 1971 experimental short film from Hollis Frampton's ''Hapax Legomena'' cycle
* Critical Mass (anime), a subdivision of the video publisher and distributor Right Stuf Inc.
* ''Critical Mass'' (film), a 2000 film starring Treat Williams and Lori Loughlin
* "Critical Mass" (''Stargate Atlantis''), an episode of ''Stargate Atlantis''

Gaming

* '' Duke Nukem: Critical Mass'', a shooter game developed by Frontline Studios
* ''Critical Mass'' (1985 video game) or ''Power!'', a computer game by Durell Software
* ''Critical Mass'' (1982 video game), an adventure game by Sirius Software
* Critical Mass, a set of collectible miniature game figures by HeroClix

Music

Bands

* Critical Mass (Canadian band), a Catholic rock band formed in 1997
* Critical Mass (Dutch band), a Dutch happy hardcore group

Albums and songs

* ''Critical Mass'' (Dave Holland album), 2006
* ''Critical Mass'' (Threshold album), 2002
* ''Critical Mass'' (Matthew Shipp album), 1995
* ''Critical Mass'' (Ra album), 2013
* "Critical Mass", a song by Aerosmith from '' Draw the Line''
* "Critical Mass", a song by Nuclear Assault from ''Handle with Care''
* "Critical Mass", a song by Chrome from ''Half Machine Lip Moves''

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