JJ Thomson is intimately connected with the concept of the electron. He is credited with the discovery of electrons. More...

Physics Narrative 14-16

This is an historic experiment which is often presented to students with little context. It is suggested that, in 1910, the...

Physics Narrative 14-16

Henri Becquerel discovered radioactivity in 1896. Fortunately, he kept a detailed diary of his experiments. This shows that...

Physics Narrative 14-16