Hello. I would like to share with you a neat little gadget that I found, and show you how to use it. It is called a Smart Geiger. It is a Geiger counter for detecting ionizing radiation (Gamma and X-ray), it is pocket-sized, and can go on your key chain. Need I say more?!You can buy one for about $3...By: C8theGr8
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from Instructables: exploring http://bit.ly/2vvfIJA
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