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Huge solar powered plane takes to the air (w/ Video) (PhysOrg.com) -- A huge airplane using solar cells as its only power source is being tested in Switzerland. In its first successful test flight last December, the plane flew only 350 meters at a height of just one meter above the ground, but by mid 2010 it is expected to make a non-stop test flight of 36 hours, and to make the first ever night flights by a plane powered only by solar panels.
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