Captain Bertrand Piccard's photovoltaic-powered plane "Solar Impulse" flew 1,148ft yesterday in Switzerland at three-foot altitudes. The 262-foot wingspan plane weighs 4,409lbs and has been under construction since 2003. The caveat? They were flying with battery-power assistance. Gallery below
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[Gizmodo]
DISCUSSION
Good job! Failing to do something Nasa has been doing for years with the Pathfinder series of prototypes.