Chilling Food by Turning Waste Heat into Sound Waves

efficient-cooler thermoacoustic engine

Novel refrigerator turns waste heat into sound waves to cool down stuff ZME Science, December 13, 2016 Japanese researchers have demonstrated an innovative refrigerator that employs a thermoacoustic engine to cool things down to a minimum temperature of -107.4 C. This sort of heat engines based on sound waves have been researched since the 1990s for … Read more