Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Watch a helicopter fly, and the big spinning top rotor hogs the ...

Ordinarily on a helicopter, the main (top) rotor is mechanically linked to the tail rotor, so the spinning of the former causes the latter to do likewise. An experimental new system replaces the tail ...

The Rotodyne might have looked like part helicopter, part plane, but it was actually neither. Where a helicopter uses engine power to spin a rotor blade to force air down and create lift, on a ...

What’s your secret evil plan? Are you looking for world domination by building a machine that can truly replicate itself? Or are you just tired of winding motor rotors and other coils by hand? Either ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. As Uber sees it, someday we might cruise around cities in small ...

George Aggidis does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

If there's one thing that's scary about quadcopter drones – besides their ability to invade peoples' privacy or fall on their heads – it's those fast-spinning and potentially skin-slicing rotor blades ...