In this lesson, students will simulate the randomness of decay in radioactive atoms and visualize the half-life of a sample radioactive element. This lesson can be completed in two (2) 45-minute class ...

The blast is what people imagine. A sudden flash, a rising cloud, the moment when history splits into “before” and “after”. Nuclear disasters and atomic weapons ...

Radioactive sources contain radioactive material of a particular radionuclide (an unstable form of an element emitting radiation), which can vary based on the application for which the source was ...