Alva Review-Courier -

PITTSBURGH (AP) — Science can draw inspiration from science fiction, with exoskeletons long succeeding in cinema to make villains more threatening and superheroes better at saving worlds.

Returning to reality, exoskeleton technology — devices outside the body that may improve physical activity and energy efficiency — is not yet able to turn humans into Iron Man but continues progressing step by exoskeleton-assisted step.

Now, Carnegie Mellon University's latest study shows that a computer-controlled system it developed — essentially an ankle brace with a motor that helps flex the ankle to push...