https://www.popsci.com/environment/fish-washing-machine-microplastic-filter/
Fish gills may inspire an unexpected solution to one of our biggest sources of microplastics. According to researchers at Germany’s University of Bonn, taking a cue from the animals’ filtration systems might help remove the vast majority of harmful plastic particulates from washing machine wastewater.
Popular Science
Sardine-inspired washing machine filter removes 99% of microplastics
The home appliance can easily generate as much as 500 grams of microplastics each year.
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