(Video Link) Researchers at Nokia's laborator...  ...kia's laboratory in Tampere, Finland, developed a touchscreen interface that can be used on blocks of ice: A...  ...A near-infrared light source mounted behind the " screen " bathes it in invisible light, and an array of ne...  ...on required) via DVICE...

[youtube=http://www.youtube.com/watch?v=q19uhAjtuk...  ...q19uhAjtuk0][YouTube - Link]Samsung debuted these touch screen vending machines at CES. The machine features a l...  ...ing machines at CES. The machine features a large screen that shows animations and interactive menus and i...