An Anisotropic Hydrogel Actuator Enabling Earthworm‐Like Directed Peristaltic Crawling

Peristaltic crawling, which is the moving mechanism of earthworm‐like limbless creatures in narrow spaces, is a challenging target to mimic by using soft materials. Here we report an unprecedented hydrogel actuator that enables not only a peristaltic crawling motion but also reversing its direction....

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