Making pinching or flicking motions against the screen of a smart phone or tablet is often more intuitive than navigating a computer screen with a mouse, but Michael Knuepfel thinks touch screens can do much more. Knuepfel, who just graduated from New York University's Interactive Telecommunications Program, has created devices that enable the screens to register more aspects of a user's touches. His goal is to make touch-screen interactions "more tactile, more physical, and potentially more expressive and fun."
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