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Swiss make 1st test of round-the-world solar plane

Swiss make 1st test of round-the-world solar plane

A solar plane with wings as wide as a 747 and the power of a small motorboat took to the skies for the first time Wednesday, cruising a mile high at bicycle-like speeds for nearly 1 1/2 hours in a step toward becoming the first sun-powered aircraft to circle the world....

 

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