It’s a bird, it’s a plane … it’s a robo-puffin?

Given that water is 1,000 times denser than air, moving through those two mediums requires very different mechanics—or so one might assume. Yet birds like gulls and puffins can plunge into the sea, sw

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1. 2026-10-21 05:00
   MIT Tech Review It’s a bird, it’s a plane … it’s a robo-puffin?

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