Inventors’ high-flying kites harness wind power

I can imagine a vertical row of these – one every few hundred feet.

One proposed generator looks like a big, floating ball that rolls in the wind, a thousand feet off the ground. Another resembles a skeletal helicopter with four rotors and no pilot. Both would relay their electricity to Earth via cables, tethering them to a particular spot.

via Inventors’ high-flying kites harness wind power.