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thermoacoustic cooling
7 may 2004
ben & jerry's cherry garcia 'chills' to music 

scientists have found a new way to refrigerate ice cream with sound waves
instead of chemicals. the new cooling system, developed at penn state
university, can power a small ice-cream freezer case. the technology,
called "thermoacoustics," is sponsored by ben & jerry's ice cream,
long known for its efforts to protect the environment.

thermoacoustics uses 60 percent less energy than traditional freezers.

read the npr report
http://www.npr.org/features/feature.php?wfid=1861434

see the high-bandwidth ben & jerry animation
http://www.benjerry.com/our_company/sounds_cool/

visit the cool sound website
http://www.coolsound.us/

and see page 25 of 
http://www.ases.org/conferences/2004_call_for_papers/solar2004_prelim_program.pdf

nick




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