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iCandy: July 2010

IEEE Spectrum's monthly slideshow proves that an image is worth a thousand bytes

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Photo: Fabrice Coffrini/Reuters
Icarus would be supremely envious of this Solar Impulse plane, which is powered by the sun’s rays. The 12 000 solar panels blanketing the HB-SIA’s fuselage and the 64-meter wingspan allow it to soar for days on end without jet fuel. Batteries store some of the solar energy during the day for use after dark.
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