Half-thickness is a useful and accessible introduction to constant fractional decay. Somehow adding extra slices of thickness...
This is a set of three linked activities designed to show how radioactive decay can be modelled. In each case you can discuss...
Now that your students are familiar with different types of radiation, you can look at the processes by which they are emitted...
NASA’s Compton Gamma Ray Observatory was launched in 1991 and produced much useful data on astronomical high-energy radiation...
Stories from Physics
In 1985, a private radiotherapy clinic in Goiânia, Brazil was being moved to new premises.
In matter and nuclear physics, we explain macroscopic behaviours using descriptions of microscopic models. This presents...
Recognising and celebrating outstanding contributions to the field of physics education.