Lockheed Martin
Flying robots build 20-foot-tall tower
Robotic quadrocopters — that is flying machines with four rotors — have built a 20-foot-tall tower of polystyrene blocks at a museum in...
Manned electric 'multi-copter' takes flight
A group of German tinkerers have successfully completed what it claims is the world's first manned flight with an electric-powered...
Flying ball goes anywhere
A spherical flying machine that can take off and land just about anywhere, roll along walls and hover like a helicopter was recently...