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From Popular Mechanics

About 170,000 vehicles use the Queensboro Bridge each day, passing by Larry Misrok’s apartment building, which sits at the entrance to one of the ramps. Crossing the street there might be a daunting task for anyone, but for Misrok, an 81-year old lawyer, it could be deadly. Misrok is virtually blind.

He navigates New York’s busy streets and broken sidewalks with high-tech glasses that have a camera attached to the side, made by a company called Aira. Misrok calls up an app on his telephone, which puts him in touch with one

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