What sounds like nonsense? The fact that atoms are not actually infinitely solid billiard balls that just bounce off each other instantaneously should not be co

What sounds like nonsense? The fact that atoms are not actually infinitely solid billiard balls that just bounce off each other instantaneously should not be controversial. I think what's given is actually a pretty good layman's explanation of why a certain amount of the total internal energy of a gas is stored as potential rather than kinetic energy.