When the radioactive element radium was discovered, it quickly found its way into many products. One of those was glow-in-the dark watch and clock faces, which were painted by women who licked their paint brushes to keep them pointed. This was a deadly mistake.  Also learn about the demonstration of 150,000 volt electric chair, Charles Hawker and his high voltage electric chair, the electrifying sermon of George Speake, and the largest chain of retail stores. Retrosponsor: Adam HatsLearn more about your ad choices. Visit megaphone.fm/adchoices