DCMP members can access the full video for free here: https://www.dcmp.org/media/13771 - To find out if you qualify, visit https://dcmp.org/signup Modern physics is a branch of physics which deals with the post-Newtonian concepts in the world of physics. It is based on the two major breakthroughs of the twentieth century: relativity and quantum mechanics. Part of the "Core Physics" series.