Sensors turn skin into gadget control pad

Tapping your forearm or hand with a finger could soon be the way you interact with gadgets.

US researchers have found a way to work out where the tap touches and use that to control phones and music players.

Coupled with a tiny projector the system can use the skin as a surface on which to display menu choices, a number pad or a screen.

Early trials show that after a short amount of training the sensor/software system can pick up a five-location system with accuracy in excess of 95%.

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http://news.bbc.co.uk/1/hi/technology/8587486.stm