An eddy current brake, like a conventional friction brake, is a device used to slow or stop a moving object by dissipating its kinetic energy as heat. However, unlike electro-mechanical brakes, in which the drag force used to stop the moving object is provided by friction between two surfaces pressed together, in an eddy current brake the drag for...
Found on
http://en.wikipedia.org/wiki/Eddy_current_brake
(from the article `railroad`) ...by the frictional resistance generated when bar magnets are lowered into contact with the rails. The latest Shinkansen train-sets have eddy ...
Found on
http://www.britannica.com/eb/a-z/e/10
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