One of the biggest challenges with smartwatches is trying to navigate through apps on a relatively tiny screen. While smartphones and tablets have gotten bigger over the years, the gadgets we wear on our wrists need to stay small to avoid looking terribly unfashionable. Today a team at the Future Interfaces Group, a research lab within Carnegie Mellon University, released a look at a novel solution to this problem: making the skin on your arm and hand act like a touchscreen for your smartwatch.
The system uses a signal-emitting ring worn on the finger to communicate with a sensing band attached to the watch. When the finger wearing the ring touches the skin, a high-frequency electrical signal spreads across your arm. It uses the...
via The Verge
