Diving seabirds like puffins use their wings to both fly and swim, even though air and water behave very differently. "Thinking of a wing that could operate...
First look: MIT researchers have built a small robot that can move through both air and water using the same wings – and switch between the two without any extra hardware. The work comes out of mechanical engineer Raphael Zufferey's lab, where the te... [3490 chars]