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Mia Heller’s Water Filter Removed 95.52% of Microplastics in Her Tests

Virginia student Mia Heller developed a magnetic-fluid water filter that removed 95.52% of microplastics in her tests and earned a 2025 ISEF special award.

The 30-second versionA student project with a practical goalHow the magnetic approach workedWhy tiny plastic particles matter

Suvin Muthukumarana·Nov 9·4 min read

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Inspire All

Fionn Ferreira Developed a Magnetic Method to Separate Microplastics From Water

Fionn Ferreira’s experimental method uses a magnetic liquid to collect microplastics from water. The EPO recognized his work in the 2023 Young Inventors Prize.

The 30-second versionWhy a magnet can helpA prototype result, not a universal guaranteeWhat wider use would need to establish

Suvin Muthukumarana·Nov 2·2 min read

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