Which Geiger counter is best? If you want to monitor radiation levels from a specific source, you need a reliable Geiger counter. This tool can warn you when there is radiation, as well as measure it ...

Three parallel Geiger-Muller Tubes were used in this project in order to produce a Cosmic Ray Muon Detector that is easy to build, low cost, and contains usable output to graph, visualize, or sonify.