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Tongue Controls Wheelchair for Quadriplegics

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People paralyzed from the neck down are bound to a wheelchair. One of the biggest problems for them is controlling its movements. Now, scientists at the Georgia Institute of Technology in the United States have devised a system that allows quadriplegics to operate wheelchairs using their tongues. The new device is so easy to operate that it opens many other possibilities for quadriplegics. A tiny magnet is attached to a patient’s tongue so that each movement changes the magnetic field...

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