I'll do another few tests when I find the time, as for my Geiger counter I am using a GQ GMC 300E Plus, it uses the original M4011 tube but with the back cover removed, the plastic cover blocks out a significant amount of radiation that I would not have detected otherwise. I am probably going to...
Hello, I'm new here and recently did a little experiment in my free time that left me puzzled. To sum it up I ran 2 tests, each running over 12 hours long, they where focused on 3 radium pocket watch hands that I bought off of eBay a while ago and a small piece of beryllium. These hands are...