It's hard to deny the appeal of a space-bound robot like NASA's Robonaut 2, fears of subversion notwithstanding. The space agency and Florida's Institute for Human and Machine Cognition know it, and they want to put that technology into an exoskeleton with a nobler purpose than performing chores on space stations. The in-development X1 (not yet pictured) adapts the Robonaut's skills to a body-hugging frame with 10 points of movement that might give humans an assist when they need it the
