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Open Question: What is the name of the device that can create low frequency sounds as well as higher frequency shrill so
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Open Question: What is the name of the device that can create low frequency sounds as well as higher frequency shrill so

It is used alot in sceince fiction movies
Thanks. Is there one where you just turn a knob?

Posted on Fri, 08 Aug 2008 23:20:08 GMT at http://answers.yahoo.com/question/index?...008AAxuOlS

08-09-2008 06:27 PM
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