"When that person then touches another person's ear, the electrostatic field creates a small vibration of the earlobe which, in turn, leads to the ear and the finger behaving like a speaker. The recorded sound only becomes audible when touching someone else's ear. Their ear canal acts as a sort of speaker, allowing them to listen to a secret finger-transmitted message. The sound can't be heard by anyone else but the person being touched.
Suzuki told Wired.co.uk that the project was born out of a previous project called TeslaTouch, a haptic feedback technology used to add textures to screens."
Edited by Rogerdodger, 18 September 2013 - 10:52 PM.