Plain surfaces transformed into low-cost touch screens

[unable to retrieve full-text content]A low cost system, based on the principles of vibration and imaging that is able to track the movements of multiple fingers and of objects, can turn almost any surface into a touch-screen.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/top_science/~3/YTJuobBuwQw/130710104019.htm

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