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by indymike
1075 days ago
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> I read somewhere once that a sensor, sonar or hydrophone, in UK waters could detect the sounds come from a New York harbour, which gives an insight into the distance sounds can travel underwater, but considering all the noises that can be detected, having sound processing abilities, a little bit better than something like Dolby Noise Reduction, is the key part of the underwater arms race. In a typical attack sumbarine, a substantial amount of the ship's volume is dedicated to acoustic sensors: https://media.defenceindustrydaily.com/images/SHIP_SSN_Virgi... This arms race is very old, and the state of the art even 20 years ago is pretty impressive. |
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https://web.archive.org/web/20230123071023/https://media.def...
Detecting (background) radiation is the new state of the art and improvements in tech seen in peoples mobile phones.
https://icecube.wisc.edu/news/press-releases/2017/11/first-l...
https://www.youtube.com/watch?v=XwKKOPd-5cU
https://www.royalnavy.mod.uk/news-and-latest-activity/news/2...