Archived Use this to red pill people in public and they not know where it is coming from (mashable.com)
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Archived Use this to red pill people in public and they not know where it is coming from (mashable.com)
submitted ago by MrBateman
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[–] derram ago
https://dontvis.it/https://mashable.com/2012/03/22/soundlazer-kickstarter-speaker/ :
"Though the speaker's sound frequency is too high to hear, it's being emitted at a decibel level that rivals that of a rock concert."
'You can already buy a special kind of loudspeaker that directs sound with the precision a flashlight beam. '
'Soundlazer works by emitting 39 separate high frequency ultrasonic beams. '
'The resulting sound can be heard by those within a 2-foot diameter from a range of 20 to 30 feet. '
'As is, he suggests it could be used to direct messages on showroom floors or to help bands communicate on stage. '
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