Reactor

• Bioreactor, a device which controls a biologically active environment.
• Chemical reactor, a device for containing and controlling a chemical reaction
• Fusion reactor, a device for containing and controlling a fusion power reaction
• An inductor (possessing reactance) in an electrical power grid
• A current limiting reactor is used to limit starting current of motors and to protect variable frequency drives
• Nuclear reactor, a device for containing and controlling a nuclear reaction
• Breeder reactor
• Reactor (software), a physics simulation engine
• The reactor design pattern, a design pattern used in concurrent programming

• Reactor (magazine), an online science fiction and fantasy magazine, formerly known as Tor.com
• Re·ac·tor, a 1981 album by Neil Young and Crazy Horse
• Reactor (arcade game), an arcade game created by Gottlieb
• The Reactor (show rod), a show car built by Gene Winfield
• Reactor, an alternate title for Deadlock, a 2021 American action thriller film starring Bruce Willis
• Reactor, an alternative title for the 1978 Italian film War of the Robots directed by Alfonso Brescia
• Reactor, Inc., a defunct interactive entertainment company founded by Mike Saenz
• Reactor, a comedy series hosted by David Huntsberger on Syfy

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