The original idea of this keyboard is worth the attention. Device called the No-Key Touch Keyboard is made of glass, with a single button on the surface does not have. All control - only touch. How it works - read on.
The current strength of the keyboard - the light source and the camera. When you touch the surface of the glass, closing the light, the camera picks up the signal and sends it to the PC. Unfortunately, the price for this development is still unknown.