Solar Impulse Completes Maiden Voyage

Solar Airplane Completes Maiden Voyage | Autopia | Wired.com: "Solar Impulse, a prototype of an airplane designed to fly around the world using only solar power, made its first real flight today. As the sun shone down on the Swiss countryside an aircraft powered by 12,000 solar cells flew for 87 minutes to an altitude of nearly 4,000 feet."