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It’s just after 10 on a Thursday morning and Chip Yates — whose energy is exceeded only by his imagination — is on his fourth errand of the day. He’s in a small fabrication shop in a nondescript industrial park, with a few minutes to kill.

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By implanting a microchip in the back of a person's head and fitting them with a special pair of glasses affixed to a small camera, researchers hope to restore the sight, at least partially, to the visually impaired.