The solar-powered 262.5-foot-foot wingspan Solar Impulse successfully completed its 26 hour, 9 minute maiden flight yesterday using nothing more than solar energy. Now just to work on that 78 MPH top speed. [Reuters]
The solar-powered 262.5-foot-foot wingspan Solar Impulse successfully completed its 26 hour, 9 minute maiden flight yesterday using nothing more than solar energy. Now just to work on that 78 MPH top speed. [Reuters]