Nearly a dozen companies are betting on computer-controlled, airborne wind energy to electrify the future Kurt Kleiner, Knowable Magazine Steered by a computer to loop in the wind, this kite converts ...

“Let’s go fly a kite” used to be a cheerful refrain from the end of Disney’s Mary Poppins. As it turns out, it could be a crucially important idea in the drive toward efficient use of renewable energy ...