NPR News: Troubled By Flint Water Crisis, 11-Year-Old Girl Invents Lead-Detecting Device

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Troubled By Flint Water Crisis, 11-Year-Old Girl Invents Lead-Detecting Device
The Colorado seventh-grader was unimpressed by the options her parents had to test water in their home. So she created a sensor-based device using chemically treated carbon nanotubes to do it faster.

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