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Originally Posted by stezza
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Sweet! ...er...I mean, you'll put out your eye!
If I were to want to put out my eye with sound, I'd do it with mechanical infrasound. Think life-guard whistle scaled up.
Check this out: >>
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Infrasound is low frequency audio beneath the human range of hearing. Infrasound constantly surrounds us, generated naturally; wind, waves, earthquakes and by man; building activity, traffic, air conditioners and so-on. Low frequency sound is used by marine mamals to communicate over vast distances and by birds to determine migration patterns.
At higher volumes infrasound of around 7-20hz can directly affect the human central nervous sytem causing disorientation, anxiety, panic, bowel spasms, nausea, vomiting and eventually unconsciousness (supposedly 7-8hz is the most effective being the same frequency as the average brain alpha wave). The effect is unintentionally (or not?) generated by the extreme low frequencies in church pipe organ music, instilling religous feelings and causing sensations of “extreme sense sorrow, coldness, anxiety, and even shivers down the spine.”(1) in the unsuspecting congregation. Low frequency sound generated naturally or by building work and traffic is said to be the cause of reported apparitions and hauntings (2) - blamed on the ghostly 19hz frequency which matches the resonating frequency of the human eyeball: ...
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A Short History of Sound Weapons Pt2: Infrasound stalker
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semantics is not always just pedantic quibbling. ~ douglas r. hofstadter
