Good Feels #10: 12-year-old Girl Invents Fast Lead Detector

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In 2014 the source for drinking water in Flint, Michigan was changed and residents were exposed to high levels of lead in their drinking water. A federal state of emergency was declared and residents were instructed to drink bottled water.

Gitanjali Rao heard about these events and invented a lead detecting device at the age of 12. Instead of a several day process to send samples to a lab and get results back, her device detects lead in seconds using carbon molecules.

[original story]

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