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Wearable computing ring allows users to write words and numbers with thumb

Trending story found on phys.org
Wearable computing ring allows users to write words and numbers with thumb
With the whirl of a thumb, Georgia Tech researchers have created technology that allows people to trace letters and numbers on their fingers and see the figures appear on a nearby computer screen. The system is triggered by a thumb ring outfitted with a gyroscope and tiny microphone. As wearers strum their thumb across the fingers, the hardware detects the movement.
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