The Demon Core had the potential to be one of the most dangerous devices of the 20th century. In a stroke of luck, it wasn't used for it's original purpose. However, its path of destruction was just beginning.

This week on Things I Learned Last Night, Tim teaches Jaron about the third atomic bomb: Rufus. Listen to this episode to learn why it was never used, what was really going on behind closed doors at the Los Alamos research labs, and why the bomb earned its new name The Demon Core.