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Wheelchairs that listen

Seeking greater independence, patients help MIT researchers design a voice-driven device

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By By Karen Weintraub
Globe Correspondent / April 26, 2010

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David Hatch uses a joystick to direct his wheelchair, but he dreads the day — coming soon — when he won’t have enough control over his hands to steer it around corners or avoid bumping into things. (Full article: 889 words)

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