Research with tiny artificial muscles may yield a full-page active Braille system that can refresh automatically and come to life right beneath your fingertips.

Yosi-Bar Cohen, a senior researcher at NASA's Jet Propulsion Laboratory in Pasadena, Calif, was inspired during a business trip to Washington, D.C., where a convention for people with visual impairments was taking place.

Bar-Cohen came up with an idea to create a "living Braille," a digital, refreshable Braille device using electroactive polymers, also known as artificial muscles. He wrote up a technology report and included information in a related book that he published. His writings inspired other scientists and engineers to create active displays using this technology, and prototypes are now under development around the world.

Bron: NASA - 13/08/2009

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