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, swim underwater, and leap back into the air to fly away. And now engineers at MIT…

To respect copyright, we link to the source rather than republishing the full text. Read the complete article on MIT Technology Review.