Solar Impulse - Solar energy

Solar Impulse: behind the scenes of US crossing

Leaving San Francisco on 2 May, it took 41 days for the Swiss nationals Bertrand Piccard and André Borschberg to reach New York City aboard Solar Impulse.

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    Solar Impulse: 5 challenges for a successful round-the-world trip

    Solar Impulse: 5 challenges for a successful round-the-world trip

    The second half of Solar Impulse 2's round-the-world trip has resumed from Hawaii, taking advantage of the longer sunshine hours during this season.

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    Solar Impulse: perpetual flight

    Solar Impulse: perpetual flight

    Solar Impulse 2 and the 17,000 solar cells on its wings rhyme with innovation. This first flight around the world using solar energy has pushed back the limits of technology.