Boeing Phantom Ray

Ladies and gentlemen I give you Phantom Ray Built in St. Louis, the Phantom Ray made it’s debut after only two years in development the sleek fighter-sized unmanned airborne system...

Flapping Moth Paper Airplane

A few paper airplane designers have made auto-flappers; Craft that take energy from the air to flap. This moth is really simple, with almost no folds. It flaps fast like...