Bill uses power tools to take apart a photocopier. He shows how it works, and shares the story of its invention by Chester Carlson.
Bill invades a cell phone store to show that the design of a mobile isn't arbritary. Engineers uses seven basic principles to create a useful phone.
Bill examines the first transistor ever built. He explains how it works, and its impact on our world today. And, also, he even tests it out!
Bill shows how a transistor works by examing a replica of the first one ever build: The Bardeen-Brattain point contact transistor.