Science and technology

Associated Press
In this May 6, 2013 photo, Michael Goldfarb, left, and Ryan Farris, co-inventors of the Indego wearable robot, speak during a meeting of the American Spinal Injury Association at a downtown hotel in Chicago. Their 27-pound invention snaps together from pieces and fits into a backpack and their goal is for the user to be able to carry it on a wheelchair, put it together, strap it on and walk independently. The device is among several competing products that hold promise for people with spinal injuries, like Gore, and for people with multiple sclerosis and cerebral palsy or for those recovering from strokes. (AP Photo/M. Spencer Green)

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