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The Boston Globe

Business

At WPI, a push to make smart wheelchairs

Eye, tongue movements may help disabled navigate

All it took was the slightest rise of the eyebrows. As both brows arched upward, Ran Li brought the motorized wheelchair that he was maneuvering through the halls of Worcester Polytechnic Institute to a stop.

To turn left, Li glanced left. He looked right, and the wheelchair went right — without Li touching any of the usual controls found on a motorized wheelchair.

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