Before the concept of lift was well-understood, humanity tried all manner of bird-shaped contraptions in the pursuit of powered flight. It was a monumental failure back then, but a team at the University… via Geek.com http://www.geek.com/science/robo-raven-is-a-robotic-drone-that-flies-like-a-real-bird-1559835/ http://www.geek.com
