This week, Stanford has started to roll out a new course, Einstein's General Theory of Relativity. Taught by Leonard Susskind, one of America's leading physics minds, this course is the fourth of a six-part sequence -- Modern Physics: The Theoretical Minimum -- that traces the development of modern physics, moving from Newton to Black Holes. As the title suggests, this course (which runs 20 hours in total) focuses squarely on the groundbreaking work of Albert Einstein. And, it's undoubtedly a plus that the course was presented in Stanford's Continuing Studies program, which means that it's tailored to smart non-specialists like you. You can watch the first lecture on iTunes here, or YouTube below. The remaining lectures will be rolled out on a weekly basis. If you would like to watch the longer sequence of courses, I have provided a complete list of links here. Enjoy.