Nuclear Energy Growing rate, release a large amount of energy in a short time f(=a If the rate of the chain reaction could be controlled by some means so that it was steady, rather than increasing, then one would have a source of heat energy appropriate to drive an electric generator World War Il, Nazi military occupation of much of Europe immediately following the discovery of fission, the initial efforts to exploit this new phenomenon centered on producing a nuclear weapon rather than a nuclear power reactor 复旦大学环境科学与工程系 Department of Environmental Science and Engineering, Fudan UniversityNuclear Energy Growing rate, release a large amount of energy in a short time. If the rate of the chain reaction could be controlled by some means so that it was steady , rather than increasing, then one would have a source of heat energy appropriate to drive an electric generator. World War II, Nazi military occupation of much of Europe immediately following the discovery of fission, the initial efforts to exploit this new phenomenon centered on producing a nuclear weapon rather than a nuclear power reactor. x f (x) = a