A lot of people like the idea of a smart watch but don't like having to use a tiny touch screen. Big fingers and a tiny screen can lead to frustration and errant screen commands. Researchers at
Carnegie Mellon University have developed a wearable technology that enables users to turn the skin on their lower arm into a touchpad, giving them a bigger surface to input information or commands to
their smart watch. Unlike other solutions that have used flexible overlays or a combination of a projector and camera, the researchers' new technology, called SkinTrack, only requires the user to wear
a special ring that produces a low-energy, high-frequency signal through the skin when a finger touches or nears the skin surface.
Read the whole story at Computerworld »