The Discovery of Alpha, Beta, and Gamma Rays

In this video I am going to talk about the three major types of nuclear radiation: alpha, beta and gamma, distinguished by how powerful they are, alpha being easier to block then beta which is easier to block than gamma.

There are quite a few videos about what these radiations are but almost nothing on how we know what they are. Why was alpha and beta radiation discovered before gamma, how did these discoveries relate to the discovery that a beam in a vacuum tube called cathode rays was real...