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2
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votes
8
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Is it possible for an airplane on the sky to play a sound so loud it could be heard 50km away?
I have a story where one side of a war takes advantage of psychological warfare, where a plane on an altitude of 60k ft or 15.2km has massive speakers to play horrifying, disturbing sounds recorded ...
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11
votes
7
answers
3k
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Underwater acoustic muffling/dampening and sonar evasion. Is a stealth torpedo possible?
So I have various factions with submarines and surface ships battling it out for control over various underwater resources.
One of the rarer and more lethal weapons is a "stealth torpedo". It ...
