The experimental "Solar Impulse" powered aeroplane performs during a demonstration flight at the 49th Paris Air Show at le Bourget airport, east of Paris, Sunday June 26, 2011. The solar-powered plane... more 
The experimental "Solar Impulse" powered aeroplane performs during a demonstration flight at the 49th Paris Air Show at le Bourget airport, east of Paris, Sunday June 26, 2011. The solar-powered plane with the wingspan of an Airbus 340 makes its first demonstration flight during the Bourget Air Show. (AP Photo/Francois Mori) less 
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Associated Press | Photo By Francois Mori
Sun, Jun 26, 2011 6:40 AM EDT