From: Zloduska (kjseelna@students.wisc.edu)
Date: Sat Mar 30 2002 - 12:02:06 MST
rhino wrote:
>A UK engineer has developed a device called Silence Machine, which analyzes
>a stream of sound waves coming from a source of noise (unwanted acoustic
>information) and generates sound that is \"exactly out of phase\",
>neutralizing the incoming sound waves.
Just one question:
Does it work if you direct it at children?
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