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A closer look at technology that enables people to type via brain control

Last month we wrote about a brain-computer interface that allows fast, accurate typing by people with paralysis. It's exciting work, and -- as part of its weekly segment on the leading edge of science and technology -- PBS NewsHour recently covered the story.

Previously: The story behind the development of a brain-computer interface and Pure brainpower directs onscreen cursor, letting paralyzed people type

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