Electro flight. Skip to 12:45 for a demonstration of the double propeller powered by two electric motors.
The guy who tries to learn stuff.
Matt Stutzman was born without arms. But that hasn't stopped him from becoming one of the world's best archers. In fact, he competes professionally for the U.S. Paralympic Archery Team and even set the Guinness World Record for longest accurate shot in archery. In Stutzman's words, "no matter what the challenge is, you can overcome it."