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Jewasity · Oct 28, 2026

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Two 17-year-olds built a pen-sized filter that uses ultrasonic waves to pull up to 94% of microplastics out of water. The cheap, simple device won them $50,000 at ISEF, the world's largest youth science competition.

Two 17-year-olds built a pen-sized filter that uses ultrasonic waves to pull up to 94% of microplastics out of water. The cheap, simple device won them $50,000 at ISEF, the world's largest youth science competition.

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