Forget using tape recorders and smartphones to play back spoken messages – what if you could simply hear them through a finger? Disney researcher Ivan Poupyrev has come up with a system that allows for just that. Using the human body as a sound transmitter, the technology lets you hear audio messages when someone touches your ear with their finger. Even more strikingly, it also lets you hear those spoken messages off the surface of any ordinary object you might touch, like a knife or a ring.
Read the full article: Ishin-Den-Shin system plays spoken messages through your finger