Nuclear engineering entails working with nuclear reactors, designing and developing reactors, and analyzing and testing their efficiency. It is a field that requires extensive knowledge of nuclear physics, chemistry, and materials science. Synonyms for nuclear engineer include nuclear scientist, nuclear energy expert, reactor engineer, radiation protection specialist, and nuclear physicist. In addition to designing and developing nuclear reactors, nuclear engineers also study nuclear usage in medical and industrial uses. Nuclear engineers are typically employed by government agencies, research laboratories, nuclear power plants, and academic institutions. With growing concern for energy efficiency and environmental conservation, nuclear engineering is an essential field in creating sustainable and safe sources of power.