What’s going on with this silent threat that can stealthily damage your body in ways that can take years to reveal themselves ...

An illustration titled 'What Radioactivity Is', with six panels' reading (top) 'Water in pond is 'stable,' it expends no energy,' water can be carried up-hill and its energy level raised,' 'as it runs ...

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 ...

I've been lurking and dipping in and out of this thread, and have a scattered assortment of thoughts and somewhat-relevant expertise that I've finally decided to express in words. My bona fides: I've ...