Swiss adventurer bets on solar-powered air travel

Swiss adventurer Bertrand Piccard set a record in 1999 circumnavigating the globe in a hot-air ba...  More »

Swiss adventurer Bertrand Piccard set a record in 1999 circumnavigating the globe in a hot-air balloon -- and now he's set for an equally daunting challenge. This time his "Solar Impulse" airplane will operate solely on solar power. Duration: 01:31.  « Less