How To Make A Sensitive Ionization Chamber

A fairly simple circuit, but highly effective, made from (4) darlington transistors, several resistors, an old pocket DMM, 9V battery snap, 80 mesh copper screening, old tin can, 20 gauge solid copper wire, and a 100k pot. Special thanks to Charles from Techlib.com, and madscientisthut.

http://madscientisthut.com/wordpress/daily-blog/easily-make-a-radiation-detector-ion-chamber/

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