Chris Harrison’s concept uses the body as a sort of echo chamber. Which is to say, when the user taps a particular part of their body, a sensor worn around the upper arm can tell if the tap-point was at a particular spot on the forearm or on one of the individual fingertips, by assessing the vibrations sent throughout the body by the tap.

Watch the video on youtube.

(via core77)

Tags: design, future prospects, innovation, interface