Mia Heller, an 18-year-old high school student based in Warrenton, Virginia, has developed a device in the family garage that can remove almost all of her plastic particles from drinking water. Treatment plants often struggle to hold these tiny fragments, and membrane filters close and wear quickly. The microplastic filter designed by the teenager relies on a magnetic fluid that grabs the particles before a magnet removes them.
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Mia Heller, an 18-year-old high school student based in Warrenton, Virginia, has developed a device in the family garage that can remove almost all of her plastic particles from drinking water. Treatment plants often struggle to hold these tiny fragments, and membrane filters close and wear quickly. The microplastic filter designed by the teenager relies on a magnetic fluid that grabs the particles before a magnet removes them.