These Flabby Gel Robots Could Deliver Life-Saving Drugs by Inching Along Using Changes in Temperature

A “soft robot” can move its way through the human body solely by the changing of temperatures, and could be an excellent way to deliver precision doses of key medications. These “gelbots” aren’t really robots at all, but little capsules filled with a water-based gel that through expansion and contraction, pushes the tiny robot along […]

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