Forget Touchscreens: Now Everything Can Be An Interface

What if your doorknob could be a touch interface? What about a fish bowl filled with water? Researchers at Carnegie Mellon University are working to turn the most unusual surfaces into a touch screen.

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What if your doorknob could be a touch interface? What about a fish bowl filled with water? Researchers at Carnegie Mellon University are working to turn the most unusual surfaces into a touch screen. 

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