MIT Origami Robot

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MIT Scientists invented a 1.7cm square robot capable of walking on different surfaces, climb, carry objects twice its own weight, swim in shallow water, burrow, and it even completely dissolves in an acetone solution leaving behind just the magnet. Researchers hope to develop an even smaller robot with additional sensors that can dissolve in water. It has enormous potential in health care - when introduced inside of a human body, it can potentially zap cancer cells or clean clogged arteries. You can read more about it over at IEEE and in this research paper. (via This is Colossal)