NASAs Iron Man Exoskeleton Helps Astronauts, Paraplegics [VIDEO]

Watch out, Iron Man.

While it may not have the superpowers of Tony Stark's armor, NASA has built a robot exoskeleton called X1 that helps astronauts exercise in space, and paraplegics walk on earth, according to the space agency.

Humans wear the 57-pound device over their body to "assist or inhibit movement in leg joints," NASA said in a release. In the inhibit mode, X1 would be used as an exercise machine to provide resistance against leg movement in space's zero-gravity environment; while, the very same technology could be used in reverse on earth, by helping some people walk.

"NASA is examining the potential for X1 as an exercise dev…
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