Interesting Post this by my course mate Chris, where he asks the question of whether we could use acoustics as a form of weaponry. Deterrents such as the “Long Range Acoustic Device” (LRAD) and “The Mosquito” are possible and have been used in society, however unfortunately as Chris discovers, acoustic weaponry, like that classic “Fus Ro Dah” attack is but a nice feature on a game (see Robert Bungay’s post).
 Could an Acoustic Weapon Make Your Head Explode? – http://cperryacoustics.wordpress.com/2014/04/10/could-an-acoustic-weapon-make-your-head-explode/
 See how many decibels it would take to tear apart the Universe? Have a look! – http://rbungay.wordpress.com/2014/05/06/see-how-many-decibels-it-would-take-to-tear-apart-the-universe-have-a-look/
Humans have an audible hearing range between 20Hz and 20000Hz, but sound waves do exist below and above this range. Sound waves below 20Hz we cannot hear, but we can feel. The pressure of the sound wave is still there but our ears are simply not equipped to hear it. This pressure can still affect our body though. The low frequency waves cannot just vibrate our ear drums but our entire bodies. This could potentially cause devastating effects when they are at very high levels.
There was a Russian born French researcher named Vladimir Gavreau who supposedly did research into the effects of infrasound (below our audible range) and has results which ranged from people being sick to having their internal organs liquefied when exposed to an infrasonic whistle for prolonged periods of time. However this is widely considered to be a conspiracy theory.
Theoretically, however, it is certainly possible to create…
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