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solar plane

What Do Solar Airplanes and Solar Elevators Have in Common?

The solar-powered airplane Solar Impulse completed its cross-country flight across the US Sunday, and now engineers may use some lessons learned to improve solar elevators. Solar Impulse flew from the West to the East Coast without a single drop of traditional fuel. The journey showed that reducing weight is a major … Read more »

Solar Powered Airplane Plans US Flight

Swiss project Solar Impulse is planning to fly a solar powered aircraft across the US in May. The HB-SIA weighs about the same as a car but boasts a wingspan equal to to that of an Airbus A340. On May 1, the airplane is scheduled to fly from NASA’s Moffett Field in … Read more »