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A Swiss-made giant glider-like aircraft has completed the first night flight propelled only by solar energy, Reuters reported Thursday. Solar Impulse, whose wingspan is the same as an Airbus A340, flew 26 hours and 9 minutes, powered only by solar energy stored during the day. It was also the longest and highest flight in the history of solar aviation, organizers said. Bertrand Piccard, the Swiss president of the project, said: "We are on the verge of the perpetual flight." |
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