An 18-year-old high school student just built a water filter that removes 96% of microplastics from drinking water.
Not in a billion-dollar lab.
In her garage.
Meet Mia Heller from Virginia.
Her secret? A magnetic liquid called ferrofluid that grabs microplastics from water… then magnets pull them out.
No expensive membranes.
No endless replacements.
Low waste.
Self-recycling system.
Meanwhile, most treatment plants remove ~70–90%.
She built it






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