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 ...

In Paris, not far from the Panthéon, is a crooked little byway once called the Rue des Postes. From that byway last week came two words in a combination new to physicists the world over: artificial ...

Can a person or object exposed to high radioactivity just take a shower with soap and water, or is more needed for decontamination? When you purchase through links on our site, we may earn an ...

Some wild boar hunted in German forests have radiation levels that exceed the limit deemed safe for human consumption. New research suggests that it’s not just because of Chernobyl. By Christopher F.