Researchers in Switzerland have created gelatin-based "robot fingers" that function just like silicone-based motors. If soft robots can be ingested and programmed to operate inside humans or animals, the use cases are practically endless – ranging from studying endangered species’ migration patterns to serving as a medical device that can help heal injuries.Scientists recently got us one step closer to edible robots by creating an ingestible, biodegradable actuator, which could serve as the controlling mechanism for “robot pills” of the future.

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