Solar Impulse makes light of dark skies

The revolutionary aeroplane, piloted by Solar Impulse project founder André Borschberg, reached an altitude of 28,000 feet before descending from the night sky. The flight was powered by the 12,000 solar panels built into its 63.4 meter wing and its 400kg of batteries, which were fully charged during its daylight ascent.

“During the whole of the flight I just sat there and watched the battery charge level rise and rise. Sitting in a plane producing more energy than it consumes is a fantastic feeling,” said Borschberg.

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