Radioactive decay (also known as nuclear decay, radioactivity, radioactive disintegration or nuclear disintegration) is the process by which an unstable atomic nucleus loses energy by radiation. A ...

In this collection of lab-based activities, students will learn about the concepts of radiation and half-life in order to gain an understanding of the use of radiocarbon dating as a method of absolute ...

Many people are frightened of radiation, thinking of it as an invisible, man-made and deadly force, and this fear often underpins opposition to nuclear power. In fact, most radiation is natural and ...