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Tiny fish-shaped “swimming” robot collects microplastics

A self-propelled soft robot could one day clean our waterways.

An image of the fish-shaped soft robot
A light-activated fish-shaped robot collects microplastics as it swims (scale bar is 10 mm). Credit: Adapted from Nano Letters 2022, DOI 10.1021acs.nanolett.2c01375
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