Pappmaskin.no

Windmills in the sky

Wired News: Windmills in the Sky: Australian engineer Bryan Roberts wants to build a power station in the sky — a cluster of flying windmills soaring 15,000 feet in the air — but is having trouble raising enough money to get the project off the ground.

Update 2009:
I recently watch a presentation of a prototype for robot-guided kite on ted.com

Saul Griffith: Inventing a super-kite to tap the energy of high-altitude wind