Research at Palo Alto Research Center (PARC) could lead to the replacement of mechanical compressors in refrigerators and air conditioners. The new technology could lead to a threefold increase in the efficiency of these devices. The principle is quite simple – thermoacoustic compressors work in the same way as traditional mechanical compressors. They compress or expand gases with high-intensity sound waves. Compressing gases generates heat, while letting the gases expand cools things off.
Read the full article at Wired.com
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