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Flywheel energy storage — NASA G2 flywheel Flywheel energy storage (FES) works by accelerating a rotor (flywheel) to a very high speed and maintaining the energy in the system as rotational energy. When energy is extracted from the system, the flywheel s rotational speed… … Wikipedia
Space elevator — A space elevator for Earth would consist of a cable anchored to the Earth s equator, reaching into space. By attaching a counterweight at the end (or by further extending the cable upward for the same purpose), the center of mass is kept well… … Wikipedia
Disc brake — Close up of a disc brake on a car On automobiles, disc brakes are often located with … Wikipedia
In vitro meat — In vitro meat, also known as cultured meat, is an animal flesh product that has never been part of a complete, living animal. It has been described, sometimes derisively, as laboratory grown meat. In vitro meat should not be confused with… … Wikipedia
Flat tire — The term flat tire describes the condition whereby a pneumatic tire becomes deflated, such that the metal of the wheel is no longer kept suspended above the ground. This can occur for several reasons: [ [http://www.diynetwork.com/diy/ab… … Wikipedia
Automobile — For the magazine, see Automobile Magazine. Car and Cars redirect here. For other uses, see Car (disambiguation). Automobile … Wikipedia

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