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 ...

The military exposed thousands of servicemen to radioactivity when it called them to participate in nuclear weapons tests, including Operation Teapot in 1955. One was Eldridge Jones, who later ...

The Manhattan Project that built the atomic bomb wasn't without its own dangers. Experiments on a so-called "demon core" of plutonium caused the deaths of two Manhattan Project physicists. Both ...

Science has always been a field of exploration and discovery, often necessitating bold and perilous experiments. These experiments, while dangerous, have revolutionized our understanding of the world ...