Leonard Susskind concludes the course by wrapping up the major concepts that were covered throughout the quarter and discussing some of the limits of the field of quantum physics. (March 19, 2012)

Leonard Susskind spends some time in the beginning of the lecture discussing some of the basic qualities of systems to lay a foundation for the rest of the lecture and the class. (February 27, 2012)

Leonard Susskind continues to discuss entanglement and what the concept can tell us about the nature of systems and the nature of reality. (February 20, 2012)