Since its first publication in 1983, Modern Physics has been one of the most widely used texts for the sophomore-level modern physics course for science and engineering students. It covers all the standard topics in the course, including relativity and introductory quantum mechanics, as well as introductions to statistical physics, nuclear physics high energy physics, astrophysics, and cosmology. Modern Physics provides a balanced presentation of both the historical development of all major modern physics concepts and the experimental evidence supporting the theory.