Touch Screens With Feeling

One of the most sought-after new features on mobile devices is the touch screen. But that name is a misnomer, according to a group of researchers at Northwestern University, in Evanston, Ill., who point out the obviousthat these displays offer minimal ­tactile feedback. But suppose touch screens could touch you back: You could “feel,” say, the edges of the buttons on a virtual keypad or the links on a Web page.

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More at IEEE Spectrum

http://www.spectrum.ieee.org/may09/8812