Friday, October 20, 2017

Lead Detecting Device

Image result for lead

Edward Hessler

Meet Gitanjali Rao, 11 yo winner of the 2017 Discovery Education 3M Young Scientist Challenge in this NPR report by Laurel Wamsley.

The embedded video amazed me.

What a talented young person (and fast talker, too).

And what an important and promising and necessary and clever and smart invention.

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