Air Legs a machine that reduces the amount of energy needed to walk and run is on display at DARPA Redefining Possible which opens at The Museum of...
{"Image ImageDescription": "\"Air Legs,\" a machine that reduces the amount of energy needed to walk and run, is on display at DARPA: Redefining Possible, which opens at The Museum of Science and Industry on May 5 and runs through September 5, 2016 in Chicago. (Stacey Rupolo/Chicago Tribune/Tribune News Service via Getty Images)", "Image Copyright": "2016 MCT"}