This provides readers with an overview of applied nuclear physics and its fields. The subject areas of spallation, nucleosynthesis and nuclear reactions are discussed. Special focus lies on global dimming, nuclear fuel and binding energy. The subject areas of nuclear reaction, nuclear force, natural nuclear fission reactor and big bang are covered. An overview of nuclear reactor physics, nuclear power and nuclear weapons is made. Special focus lies on radioactive decay, alpha decay, beta decay, gamma decay and cluster decay.