Top 10 Best Topics In Thermal Physics

Entropy also explains concepts in domains of science not even related to physics, like biology for example - styLIShT

Entropy is so much more than thermal physics. It's fundamental to life science, particle mechanics, cosmology, and any aspect of science you can think of. Any field of science you study has the relationship with entropy and the arrow of time as a crucial cornerstone. - PositronWildhawk

This might seem obvious, but I had to add this because it's such a fundamental concept in heat transfer - styLIShT