You Built What?!—A Tiny Helicopter - Popular Science
You Built What?!—A Tiny Helicopter - Popular Science: "Helicopters are tricky beasts to keep aloft and stable. Full-size birds do it with skilled pilots, while most unmanned craft rely on gyroscopes and autopilot. But the 3.3-gram Picoflyer is too small for any such luxuries. Instead, Petter Muren, a Norwegian engineer who builds mini copters to fly indoors during long Scandinavian winters, reinvented the stability system."
- posted by Gp @ 2:22 PM