About This Episode:  Alexis Dahl is a science communicator on a quest to understand and marvel at the world outside her door.    Kathy will delve into the intersection of geology, theology, physics, and radioactivity in this fascinating story of how we learned how to measure the age of the...

About This Episode: What did they do with an x-ray machine before they discovered x-rays? In this episode, Kathy Joseph and guest Patrick Kelly discuss The History of the Xray and how it all began, from its discovery to how it was invented and how Edison got related to x-ray safety. Topics...