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"Anybody who's ever taken an introductory chemistry course will be familiar with the concept of exothermic reactions, or reactions that give off energy as excess heat. Finding a way to harness this waste heat to put it to use in other reactions or"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/clean-technology/sounds-good-converting-waste-heat-into-electricity.html>