Folding Origami Robots
You're probably comfortable swallowing a pill, but what about a tiny robot?

You’re probably comfortable swallowing a pill, but what about a tiny robot? Researchers at MIT, the University of Sheffield, and the Tokyo Institute of Technology created an origami robot that is swallowed in pill form, and then unfolds inside the body to help remove foreign objects, patch internal wounds, and deliver medicine. This is promising news for tiny tots that find the batteries in their toys appetizing – providing a non-invasive way to remove the obstruction and get them back to playing in no time.

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Photo: Melanie Gonick/MIT