7) #2 EVIDENCE: 1st Law Thermodynamics (DVD1, 23:58-25:03)

(FYI: I do not allow comments on these videos. If you notice, these video clips are taken from the seminar videos. If you want to leave a comment, you are welcome to go to the seminar video on my channel and leave your comment on that video where these clips are taken from. For organizational reasons I am not taking comments here. ) #1 EVIDENCE: 1st Law Thermodynamics (DVD1, 23:58-25:03)