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ELI5: how does sonar work??
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I don’t know how submarines make a noise so extreme that it can kill people just from vibrating them. How does it create that much sound?

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There's already the LRAD system that uses directed sound for riot control. It isn't likely to kill you but could cause pain and hearing loss.

https://en.wikipedia.org/wiki/Long-range_acoustic_device

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1 year ago