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TIL that when the submarine ARA San Juan disappeared in 2017, initial search crews picked up a banging noise at the search site, like tools hitting metal.(en.m.wikipedia.org)

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V4uban@lemmy.world
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TodayILearned@kbin.social
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After analyzing the audio, it was determined the sound was not from the submarine and was probably from a biological source.

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Devi@kbin.social
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Interesting. I’d love to know what biological source.

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