Monday, December 23
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Underwater Robot Stealthily Swims With a Propulsion System You Can’t See

Underwater Robot Stealthily Swims With a Propulsion System You Can’t See
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Sound travels faster and farther underwater because it’s denser than air, and that can make it harder for researchers trying to study marine life who get an early heads up to go into hiding. But a new underwater robot could move stealthily through the waves using a propulsion system that doesn’t rely on a propeller or…

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