Posted: Mar 27, 2022 11:16 am
by Evolving
And this much more detailed explanation of entropy, from around the same time as Feynmann, is very good:

The prof got what he was saying back to front at one point (and clearly noticed, but didn't correct himself), when he meant to say that physics is concerned with how, not why, but actually said the opposite. Apart from that, then, the lecture is very good.