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7. The eyephone. Touchscreen could become a thing of the past thanks to Danish technology that allows smartphone and tablet users to control their devices by moving their eyes. Eye Tribe, which uses infrared light reflected from the pupil to the device’s camera, are negotiating with manufacturers to release a visually-controlled phone next year.

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.