Radiation detector

Had a bunch of empty coffie cans that i wanted to use for something. I found this article about using coffee cans for ion chamber radiation detectors.
I did not have the parts they suggested so i used whatever I had:

The detector turned out to be extremely sensitive and should be able to pick up small changes in the background radiation. I plan to make a solar powered version that will sit in the window and keep a watch on things.

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