Around the world in a sun-powered plane

Swiss adventurer Bertrand Piccard has been dreaming for years of becoming the first pilot to circumnavigate the earth using solar energy alone. The dream has come one step nearer to reality with the unveiling of the Solar Impulse, the prototype of a plane that has taken six years to design and build. (Julie Hunt, swissinfo/SF)

This content was published on July 1, 2009 - 10:59

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