Critical mass (disambiguation)

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 and social gatherings

 * Critical Mass (cycling), a form of direct action or celebratory gathering 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
 * Critical Mass a 2023 follow-up novel to Delta-v by Daniel Suarez

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

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