Apr 06
(Credit: New Scientist)Touch-screen handsets may be the talk of the town, but they are useless to the visually impaired. A new software developed by Jussi Rantala and his colleagues at the University of Tampere in Finland attempts to address that by bringing Braille to touch-enabled mobile devices.
The team installed a software on the Nokia 770 Internet Tablet with a piezoelectric layer that “displays” a raised dot on the touch screen with a single intense vibration and an absent one with a longer and weaker pulse.
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