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2. Google Glass. It’s a sci-fi loving geek’s dream. Behold, Google Glass – a computer built into a pair of spectacles. The $1,500 device, which is due to go on sale next year, has the processor built into the frames with the lenses working as monitors. The display is activated when users look up and to the right.

Top 10 innovations of the year

Sci fi became reality this year with Google Glasses - computer-powered glasses that layer email and sat-nav over the real world. But other inventors pioneered even crazier ideas - from a flying drone that bellows encouragement while you jog, to a gun that makes people stop talking using a weird sonic effect.