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 ...

Columbia, South Carolina (AP) — Workers at a site in South Carolina that once made key parts for nuclear bombs in the United States have found a radioactive wasp nest but officials said there is no ...

Workers at a site in South Carolina that once made key parts for nuclear bombs in the U.S. have found a radioactive wasp nest but officials said there is no danger to anyone. Employees who routinely ...

In their search for dark matter, scientists from the XENON Collaboration are using one of the world's most sensitive dark matter detectors, XENONnT at the Gran Sasso Laboratory of the National ...