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Touch Screens With Feeling Saturday, May 02, 2009 - Anuradha Menon Home >> Headlines >> Physics   
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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 obvious that 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. They call it the Tactile Pattern Display, or TPaD. (source: spectrum.ieee.org)
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