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 ...
A New Science. The beginnings. The setting ; Rays and radiation ; Becquerel's discovery -- The Curies. Maria Skłodowska ; A consequential meeting ; New elements! -- Rutherford, Soddy, particles, and ...
Ionizing radiation has a wide range of medical, industrial, military, and commercial applications. However, there are longstanding concerns about its potential to cause harm, even at low doses that ...