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Hypersonic Sound Will Change The Way We Listen Forever - Misc. Tech

Hypersonic Sound Will Change The Way We Listen Forever

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Comments

  • could it also be true if you reverse the polarity, you hear nothing if your in its line of sight.  That would help us college students alot when there is a party next door and we have to study.

    posted by: albundyhere · 3/31/05

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