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An anonymous reader writes "Scientists at the University of California, Berkeley have designed a super-thin flexible skin that lights up when touched. 'Thinner than a sheet of paper, the skin is made from layers of plastic and a pressure-sensitive rubber. A conductive silver ink, organic LEDs, and thin-film transistors made from semiconductor-enriched carbon nanotubes are sandwiched between the layers. Applying pressure sends a signal through the rubber that ultimately turns on the LEDs, which light up in red, green, yellow or blue. Instead of using the material to create bodysuits for Burning Man or other illuminated party tricks, scientists suggest that it might be used for smart wallpapers, health-monitoring devices, or in robotics. The type of interactive pressure sensor developed by the Berkeley scientists could also be useful in artificial skin for prosthetic limbs'"