One thing I really like about the design of the SE International Radiation Alert Ranger is the protective cap on the back for the "panc...

I have a few Geiger counters (Ludlum and Eberline) with Analog Metering Systems and wanted to make sure they are properly calibrated to disp...

  My favorite   ☢️   specimen during an otherwise not-so-good year. This mineral exhibits awesome green crystals and it is named after one o...

I decided to build my own Gamma Spectroscopy detector - I needed a second one to experiment with coincidence counting and realized that it w...