Robot unfolds from ingestible capsule, removes button battery stuck to wall of simulated stomach.

Researchers at MIT and elsewhere developed a tiny origami robot that can unfold itself from a swallowed capsule and, steered by external magnetic fields, crawl across the stomach wall to remove a swallowed button battery or patch a wound.

Check out the link below for the full story…

http://news.mit.edu/2016/ingestible-origami-robot-0512