This course provides the student with an appreciation for the underlying physical principles involved in the operation of nuclear reactors. Starting with a brief review of modern physics, the course covers biological effects of radiation, neutron interactions with matter, fission, diffusion, moderation, and the criticality of various reactor types. This course is essential for the nuclear engineer and is an excellent choice for the applied scientist. (Note: Change course # to NE300 eff 2004-1)