Solar power has already been used to power unmanned aircraft. But the challenge of hauling a heavy human up into the atmosphere remains more daunting.

Enter Bertrand Piccard. Mr. Piccard, a distinguished Swiss adventurer will captain a new solar one-person aircraft designed by alternative energy engineering firm Solar Impulse. The aircrafts is as wide as a jumbo jet (to provide maximum solar panel space), but thanks to space-age carbon-fiber materials only weighs as much as a mid-sized car — about 1,500 kg (the same as a 1998 Ford Taurus).























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