14 Year Old Girl Develops Solar-Powered Water Purifier

14 Year Old Girl Develops Solar-Powered Water Purifier

Deepika Kurup won $25,000 for her invention in the Discovery Education 3M Young Scientist Competition.

Emma Hutchings
  • 18 december 2012

14-year-old Deepika Kurup invented a solar-powered water purification system for the Discovery Education 3M Young Scientist Challenge. She won $25,000 for her low-cost system, which exposes titanium oxide and zinc oxide to the sun, creating a chemical reaction that generates hydroxyl radicals. These can kill harmful bacteria in water, purifying it by significantly reducing the coliform units and E.Coli colonies.

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