Here is an ingestible origami robot that can unfold from a swallowed capsule to deliver medicine, patch wounds, or remove foreign objects. It is steered by external magnetic fields and can crawl across the stomach wall to remove a button battery.
Must see robots & drones:
Ingestible origami robot
The main challenge when developing these robots is to find bio-materials suitable for the above mentioned tasks. More information is available on MIT’s website.
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