An international team of researchers developed a self-powered capsule that tests and disinfects water without batteries, filters, or chemicals. Three seconds of shaking generates enough electricity to measure water quality via Bluetooth, then floating motion powers disinfection — eliminating 99.9999% of microorganisms across 120+ cycles.
(c) Matheus Bertelli

Floating capsule cleans drinking water with a shake, no power needed

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An international team of researchers developed a self-powered capsule that tests and disinfects water without batteries, filters, or chemicals. Three seconds of shaking generates enough electricity to measure water quality via Bluetooth, then floating motion powers disinfection — eliminating 99.9999% of microorganisms across 120+ cycles.

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