Chilling Food by Turning Waste Heat into Sound Waves
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