Solar plane begins 1st transcontinental flight
Switzerland Solar Impulse
From left, Swiss Federal Councillor and Foreign Minister Didier Burkhalter, Solar Impulse's Chief Executive Officer and pilot Andre Borschberg, center, and Solar Impulse's founder, chairman and pilot Bertrand Piccard, right, are engaged in conversation before the experimental aircraft "Solar Impulse", HB-SIA, takes off for its first intercontinental flight to Morocco at the airbase in Payerne, Switzerland, Thursday, May 24, 2012. Solar-powered aircraft Solar Impulse, the zero fuel airplane, makes its first intercontinental trip with final destination Rabat, Morocco. The prototype will land in Madrid for a technical layover, as well as to change pilots. The Solar Impulse project aims to circumnavigate the world with an aircraft, with a 63.40 meters wingspan, powered only by solar energy. (AP Photo/Keystone, Laurent Gillieron)