Nuclear Fission:Nuclear fission is the process of splitting heavy atomic nuclei, such as uranium or plutonium, into lighter nuclei, releasing a large amount of energy in the process.
Atomic Pile: An atomic pile, also known as a nuclear reactor, is a device designed to initiate and control a sustained nuclear chain reaction, allowing for the production of nuclear energy.
Manhattan Project:The Manhattan Project was a research and development program during World War II that led to the creation of the first nuclear weapons, in which Enrico Fermi played a crucial role.