Critical mass (disambiguation)

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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 series of worldwide cycling events
• Critical Mass (pressure group), a UK political pressure group
• Critical Mass Energy Project, an anti-nuclear umbrella group founded by Ralph Nader
• Critical Mass, a co-working center sponsored by the New England Venture Capital Association
• Critical Mass an experience design agency headquartered in Calgary Alberta Canada
• 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, 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 (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