These aren’t the places you’d expect to glow with danger, yet they do. Some are relics of the Cold War, others are industrial ...

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 ...

What do granite and bananas have in common? Radioactivity. As it turns out, radioactivity is all around us and has been for eons. About 25 years ago, I was doing radiation surveys at a NASA research ...

(Example: Using data from the distance and shielding lab to understand the role that distance and shielding materials play in radiation exposure.) This lab was created with support from Dr. Nathaniel ...