That's LOPES (Lower-extremity Powered ExoSkeleton) -- not Lopez -- and while this rehab robot can get otherwise disinclined parties to move their butts, it doesn't resort to monotonous dance beats to do so. Researchers at the Netherlands' University of Twente began work on LOPES in 2001 to assess motor skills and teach stroke victims how to walk again. Ten years later, LOPES -- which looks like Forrest Gump's leg braces on steroids -- now sports eight degrees of freedom and au
