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Solar-powered plane completes 26-hour flight

The Solar Impulse, an experimental solar-powered airplane, landed in Switzerland on Thursday after completing a successful 26-hour test flight. The flight was a proof-of-concept displaying that a solar-powered aircraft can accumulate enough power from the sun during the day to power it through the night. The team that designed and built the aircraft believes that, in theory, the plane could fly indefinitely, given that there is enough sunlight to power it.

Solar: the sky is the limit

This week’s record-breaking night flight by the Solar Impulse aircraft has been widely acclaimed, but few of us are ever likely to fly in such a plane.
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