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Thursday, April 15, 2004

Sound Waves 'Scream for Ice Cream' at Ben & Jerry's
In order to boost its environmental image, Ben & Jerry's teamed with Penn State University to build 'green'-technology freezers which will replace existing ones inside its stores. These new greener chillers use sound waves for cooling instead of environment-damaging chemical refrigerants linked to global warming.

In this article, the Wall Street Journal (sorry, paid subscribers only) reports that Ben & Jerry's invested $600,000 in the project and that the first acoustic chiller will be installed in New York next week. And these sound waves will really 'scream for ice cream': they will be attached to amplifiers generating 183 decibels, a sound level thousands of times beyond rock concert levels.

This overview contains other details and references about the 'green' chiller.
:: posted by Roland Piquepaille, 1:48 PM

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