NASA's drone is part chopper, part airplane
added 11 years ago from cnn.com to Technology
It can hover like a helicopter but fly like a plane. Is NASA's new 10-engine electric drone the shape of aircraft to come?
added 11 years ago from cnn.com to Technology
It can hover like a helicopter but fly like a plane. Is NASA's new 10-engine electric drone the shape of aircraft to come?
