Scurrying micro-bot steers by electrostatic grip

Inspired by the way certain insects grip surfaces, Engineers at the University of California, Berkeley have added electrostatic adhesion to the feet of their insect-scale robot. In 2019, the team demonstrated an externally-powered layered piezoelectric flexing cockroach-sized mini-machine that could scurry forwards at 20 body lengths per second (~1.5mph). Part of its secret is that it ...

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