Young scientist invents device

Here is the excellent news one 11 years old girl became "America's Top Young Scientist" with her excellent invention of Tethys...  and make a device that can detects lead in the water.
Beautiful girl name is Gitanjali Rao .She affected by the Flint and Michigan water catastrophe .When her city started using the Flint River for water in 2014 and affected by that water and sparking a crisis that was linked to an outbreak of Legionnaires disease by this dangerous disease at least 12 deaths happened and became dangerous for children
It's took her five months to make her invention of Tethys from start to finish. Rao won the Discovery Education in 2017 and became 3M Young Scientist Challenge,along prize

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