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Smartphone for Daredevil

A tiny startup outside Chicago has created external hardware for a smartphone that enables a user to feel as well as see an image on flat glass. The user has the sensation of touching keys on a keyboard, for example.
...
The technology works by tricking the brain into feeling something that doesn't exist, not unlike the way a television fools the eye into perceiving motion. A tiny actuator in the housing makes the glass resonate at 38.7 kilohertz, an ultrasonic frequency that cannot be heard or felt. Tanvas's algorithms analyze images on the Moto G's screen, and the phone calculates where over the screen the user's finger is positioned. These data are translated into ultrasonic oscillations that create the illusion of something physical.
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The TPad is capable of simulating smooth and raised shapes, abrupt edges and curved lines. Bas-relief images on, say, a coin can be faithfully represented. A scanned page's words and images might be made to feel as if they were on a raised surface.

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So, i like being able to write my notes, as opposed to Swyping them (takes forever. damn you, autocorrect!). But using a stylus on a tablet or phone is horrible. No friction. Mebbe this would fix that. And then mebbe our signatures when we sign for packages won't look so stupid.

By min | August 20, 2015, 1:44 PM | Comics & Science