In this lesson, students will investigate the nature of radioactivity and the effect of both distance and shielding materials on different radioactive sources using a Geiger-Muller tube with a counter ...

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 ...

When thinking of radiation, rarely do we consider the levels inside our homes, but a Minnesota resident shocked the internet after revealing the unexpectedly high levels he discovered. In a viral ...

From the Mayo Clinic came a breathless story of a hunt for three lost tubes of almost priceless radium. The tiny tubes, an inch and a quarter long, had been thrown out with a trayful of dressings. The ...