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Underwater Vehicles

The single biggest key to sound reduction, the team found, was the synchronization of the school’s tail flapping—or actually the lack thereof. If fish moved in unison, flapping their tail fins at the same time, the sound added up and there was no reduction in total sound. But if they alternated tail flaps, the fish canceled out each other’s sound, the researchers found.

What’s quieter than a fish? A school of them

Categories Life & Non-humans, Physics & Mathematics

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