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The Guardian - UK
The Guardian - UK
Environment
Sofia Quaglia

Scientists unveil bionic robo-fish to remove microplastics from seas

A light-activated fish-shaped robot collects microplastics as it swims.
A light-activated fish-shaped robot collects microplastics as it swims. Photograph: Adapted from Nano Letters 2022

Scientists have designed a tiny robot-fish that is programmed to remove microplastics from seas and oceans by swimming around and adsorbing them on its soft, flexible, self-healing body.

Microplastics are the billions of tiny plastic particles which fragment from the bigger plastic things used every day such as water bottles, car tyres and synthetic T-shirts. They are one of the 21st century’s biggest environmental problems because once they are dispersed into the environment through the breakdown of larger plastics they are very hard to get rid of, making their way into drinking water, produce, and food, harming the environment and animal and human health.

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