0 92 54 0 This process tends to be explosive, because you have more neutrons out than in! If uncontrolled, fission reactions are what lies in an atom...

0 92 54 0 This process tends to be explosive, because you have more neutrons out than in! If uncontrolled, fission reactions are what lies in an atom bomb! How do we control this reaction? Key idea: Limit the amount of neutrons. Put something there to absorb the neutrons as they are generated. What about Chernobyl?