If you think that touch screens are the latest trend with regard to technology, as it is in the vast majority of more expensive phones and tablets at all, maybe you have not seen a "touch screen"that has no screen. You read that right, "touch screen" without the screen.
This screen was invented by a group of students and was named ZeroTouch. It is made of a frame, which resembles the frame of a painting, only it has nothing in it. All your fingers are captured by multiple infrared sensors that are on the edge, along with some LED lamps. All this is connected to a computer that will decipher where each finger in relation to the frame.
