quarta-feira, 10 de julho de 2013

avião movido a energia solar

http://gu.com/p/3h5y7 primeiro voo com aviao movido a energia solar. amazing A plane entirely powered by the sun touches down in New York late on Saturday in the final leg of a journey across the US. The Solar Impulse began its trip over two months ago. The experimental aircraft has four propellers driven by energy collected from 12,000 solar cells in its wings which charge its batteries for night use

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