Kathy Joseph, a physics enthusiast specializing in the history of the Cathode Ray Tube, joins Dave on an entertaining episode. They delve into the fascinating origins of the CRT, discussing the crucial role of Professor Plucker, the discovery of electron flow, and the artistry of Geisler tubes. They also touch on the discovery of x-rays, the challenges faced in the development of electric television, and debunking free energy scams. The hosts recommend 'The Nintendo Library' and reflect on their decision to quit social media.