Chances are this is one research project that won't find its way into a phone, but Nokia's research lab in Tampere, Finland has come up with a rather unique new type of touchscreen display: one made of ice. Of course, there are a few other components involved -- namely, a projector and an array of near-infrared cameras that are connected to a PC -- but it is technically a multitouch display made of ice, and that's got to count for something. For Nokia's part, it says that while the project is a "playful experiment," it does show that "interactive computing interfaces can now be built anywhere."
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