Learn all about the history of nuclear disasters around the globe, the consequences and lessons from them, plus the importance of continuing with better safety protocol for our future nuclear energy needs.  What is nuclear fission?   What is a reactor?  What is a nuclear chain reaction?  What exactly happened at Chernobyl, Fukishima, Kyshtym, Three Mile Island and Church Rock?  The answers to all of these questions and more are covered in depth with exciting video and dynamic graphics that reinforce important concepts.