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Soft robot takes cues from a sea slug’s swimming stroke

Light-fueled crawling, walking, jumping, and swimming of shape-programmable liquid crystal gels under water.

A beam of light prompts a gel strip to bend, causing the strip to flap upwards through a column of water (video is faster than real time). Credit: H. Shahsavan et al./PNAS

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Nature 579, 11 (2020)




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