The Stirling engine is a simple, clean and efficient energy technology that is quickly becoming a viable source of electricity as the availability of fossil fuels declines. Like a steam engine, a Stirling engine is a heat engine that converts heat energy into mechanical work, usually to drive a generator that then converts the mechanical energy into electricity. But instead of water and steam, the Stirling engine uses a permanently enclosed volume of gas, such as air or helium, to perform the mechanical work. We highly recommend this kit if you need to find an engaging way to introduce this alternative form of energy to your students!
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