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Researchers Develop Braille for Vibrating Touchscreen Devices

digg_url = 'http://digg.com/gadgets/Researchers_develop_braille_for_vibrating_touchscreen_device'; In braille, a character is made up of six dots laid out on a two by three matrix -- not something that can really be conveyed using capacitive touchscreen technology. Working with a Nokia 770 Internet Tablet, researchers in Finland have developed a method for piezoelectric touchscreen devices that ...