Uploaded December 2019 | Updated September 2026, 3 weeks ago
We conclude our discussion of entropy and the Second Law of Thermodynamics. Consideration of free expansion of an ideal gas leads to the basic concepts of statistical mechanics, which will be the topic of the next video.
We conclude our discussion of entropy and the Second Law of Thermodynamics. Consideration of free expansion of an ideal gas leads to the basic concepts of statistical mechanics, which will be the topic of the next video.








![Quantum Field Theory 5b - Classical Electrodynamics II
[Reupload to correct color encoding issues] We complete our discussion of the electron self-force problem and introduce the concept of (classical) mass renormalization. Quantum Field Theory 5b - Classical Electrodynamics II](https://i.ytimg.com/vi/yQ2_6U5RP6s/mqdefault.jpg)
