The colour-changing hair dye and other news
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The colour-changing hair dye and other tech news

17 February 2017 Last updated at 08:17 GMT

BBC Click's Dan Simmons looks at some of the best of the week's technology news, including the hair dye which changes colour depending on the temperature.

Plus, a successor to the Sinclair C5 electric vehicle has been created and a passenger drone service will begin in Dubai in July.

See more at Click's website and @BBCClick.

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