In a shallow dish of water, a sliver of gel no bigger than a stick of gum flaps its way toward a blue light. The swimmer has no motor, propeller or battery. Instead, its two soft fins are coated with ...

MIT engineers have built a paper-thin swimming robot powered by living muscle cells that respond to flashes of light, ...

Engineers at MIT have created a soft, muscle-powered robot that moves through water using a single layer of living muscle ...