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Published April 02, 2014, 12:00 AM

Building WREX


Whitney Sample is a research design engineer at the hospital, and produces the WREX. "The WREX uses special elastic bands that are typically used in physical therapy," he says. "They come in varying levels of strength, which helps us fine tune the lifting capability. "It's the specific geometry and the use of those elastic bands that gives the child's arm that weightless feeling." (CNN)
Read the article: Robot exoskeleton lets girl lift her arms, reach for the stars