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Steam Engine

History, The Workings Of A Steam Engine

A steam engine is a machine that converts the heat energy of steam into mechanical energy by means of a piston moving in a cylinder. As an external combustion engine—since it burns its fuel outside of the engine—a steam engine passes its steam into a cylinder where it then pushes a piston back and forth. It is with this piston movement that the engine can do mechanical work. The steam engine was the major power source of the Industrial Revolution and dominated industry and transportation for 150 years. It is still useful today in certain situations.

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Science EncyclopediaScience & Philosophy: Spectroscopy to Stoma (pl. stomata)