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The solar-powered aircraft flying high in the atmosphere | BBC News

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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, to avoid commercial air traffic and adverse weather.

So, what exactly is it used for?

This video is from BBC Click, the BBC’s flagship technology programme.

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Sinclair ZX Spectrum makes comeback – BBC News

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The 80s classic home computer the ZX Spectrum has been recreated thanks to fundraising by fans. Elite Systems in Lichfield, Staffordshire, received donations of more than £60,000 to reinvent the machine. It is a replica with familiar rubbery keys and when it is connected to a tablet computer it is possible to play the old games and use it for programming.

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China explosions: Inside Tianjin blast zone – BBC News

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Massive explosions have hit China’s northern city of Tianjin, leaving dozens of people dead and hundreds more injured.
State media said the blasts happened in a warehouse storing “dangerous and chemical goods” in the port area of the city.
Pictures and video on social media showed flames lighting up the sky, and buildings are said to have collapsed.
John Sudworth reports from Tianjin.

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‘Humble’ worm saliva can break down tough plastic – BBC News

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One of the worst forms of plastic pollution may have met its match in the saliva of a humble worm. Spanish researchers say they’ve …

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Welsh island named first ‘Dark Sky Sanctuary’ in Europe – BBC News

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An island in north Wales has been officially recognised for having one of the best night skies in the world.

Ynys Enlli (Bardsey Island), off the Llŷn Peninsula, has become the first site in Europe to be awarded International Dark Sky Sanctuary certification.

It joins 16 other sites worldwide recognised as the most remote and dark places on earth.

The trust which owns the island said it was a “huge achievement”.

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An app to help blind people to ‘see’ – BBC News

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A new app is helping blind people solve everyday problems by combining smartphones video technology and an army of armchair volunteers.

World Hacks investigates how it works and explores whether micro-volunteering projects like this have the potential to solve all kinds of problems in the future.
Film by Nick Holland.

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