The speaker describes statistical mechanics as modeling particle distributions in relation to energy, including variation in particle speeds.

“the like particles kind of conform proportional to the energy. Right? If you let's say you have a uh a specific uh box with hot particles in there, you would imagine they follow some form of distribution because of every particle is like fast. Some must some allowed faster, some allowed slower. And that gives you kind of this statistical mechanics point of view. And indeed, I think it was I think it was Teller who did actually the first developments on like M_C_M_C_ and kind of”