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I posted earlier about a product that is used for crowd control by blasting them with a unidirectional, acoustical "laser".
This is similar, but should be much more effective.
Your lungs have a resonance frequency. If that frequency was produced loud enough, it could induce cardiac arrest.
+See
Link+
A kid did this a few years back with mosquitos.
Acoustic Mosquito Killer
http://www.larvasonic.com/
Check out the Technical portion [Holeinmysock, Aug 15 2007]
[link]
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Ever heard of "brown noise"? |
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Yes, I have! But I don't need yours, I have my own. |
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Wow, that's pretty nasty (if you're a mosquito)! |
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I'm confused about the whole brown noise thing - you see, I don't have any right now, and I'm not sure how I'd go about getting some (even if I wanted to). |
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But isn't this idea just a variation on that concept? If so, despite the interesting mosquito application, I'm afraid it really should be marked for removal. |
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I doubt that human lungs have a resonant frequency. They are squishy, not rigid. Maybe, just maybe, a person's chest cavity could resonate if they are singing, but changing the tension of the diaphragm would stop that. Or even crouching in pain. |
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Besides, how would you detect someone's lung frequency? Ask them? |
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To progress from lung resonance to cardiac arrest is an entirely unwarranted step. How, exactly, do the two link up? |
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"If" and "could" are not good words to use in an idea. Mosquitoes and humans are not all that similar. [-] |
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Bones might have a resonant frequency. I would bet on the mandible: it is hard. Teeth might also. Bones are in contiguity with many things that could dampen resonance. |
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What is the resonant frequency of old chestnuts? |
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Flash Bang grenades will not kill you but they do utilize sound as a weapon causing extreme discomfort or even hearing damage to victims. I really don't think the resonance thing would work. If you were looking at ultra sonic frequency's that might have some potential(cause your body to boil) |
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