The solar-powered aircraft flying high in theatmosphere | BBC News

21 days ago
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The Zephyr is not your usual aircraft.

It only travels at 40mph, it is launched by hand and it is completely solar-powered.

The unmanned craft flies high in the atmosphere, toavoid commercial air traffic and adverse weather.

So, what exactly is it used for?

This video is from BBC Click, the BBC's flagshiptechnology programme.

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