Other schools with investment programs include UCLA, Ohio State, the University of Texas and Notre Dame. It's a chilling thought - using a loudspeaker to power your refrigerator, without the use of refrigerants that can harm the environment. The concept is called thermoacoustic refrigeration. The technology offers several advantages over conventional cooling systems, says a Purdue engineer who is developing a prototype device based on the idea. Please also let us know whether you would like to be removed from our postal mailing list.
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