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 ...

There are many factors to consider when saying “radioactivity is hazardous.” Here is an attempt to summarize them in five points. Radiation is not an age-old reality; in fact, the discovery of ...

The ionizing radiation symbol, featuring three curved blades emanating from a central point, has been used since 1946 to warn workers, scientists and the public of the presence of radioactive material ...

EnergySolutions seeks to transport up to 1.3 million cubic yards of low-level radioactive and mixed waste — enough to fill ...