Tiny fish-shaped robot ‘swims’ around picking up microplastics

Microplastics are found nearly everywhere on Earth and can be harmful to animals if they’re ingested. But it’s hard to remove such tiny particles from the environment, especially once they settle into nooks and crannies at the bottom of waterways. Now, researchers have created a light-activated fish robot that ‘swims’ around quickly, picking up and removing microplastics from the environment.

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