Student powers wheelchair with Tongue Drive System
August 29, 2008 | 10:00 a.m. CDT
Graduate student Xueliang Huo glides down a walkway in a wheelchair that's controlled by a tiny magnet glued to his tongue. He is helping develop a new system that turns the tongue into a joystick that controls wheelchairs and other electronics.
RELATED STORIES: Tongue-powered technology being developed for disabled people
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