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Pupils of Wilhelm Raabe School in Hanover....

It is hard to believe there was a time before batteries! Batteries and supercapacitors are at the heart of electric vehicles, portable devices (watches, laptops, mobile phones) and renewable resources like wind and solar, for energy storage. Bette....

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 cuts a fluorescent light out of his ceiling to show that plasmas and their products are all around us - they're essential in making circuit boards, lights, and even potato chip bags.

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.

Plastics have become ubiquitous structural materials due to the ease with which they can be processed at low cost into complex shapes. Imagine a world in which metals and semiconductors have similar attributes ? that is the world of Plastic Electroni....