It's time for Think Theory Radio's Halloween edition "Spooky Science & Tales from the Quarkside!!"Did Italian physicist turned priest Father Ernetti invent the "Chronovisor" a time travel device that could photograph historic events?!Which famous astronomers and scientists believed and practiced magic? What was Thomas Edison's "spirit phone?"How has the thought experiment "Maxwell's Demon" stumped scientists for over 100 years?! What is a "ghost universe?"Plus, the true story of Johannes Kepler's mother being tried for witchcraft and how he came to her defense.