Entropy and thermodynamics

This is a short and (I hope) easy explanation of the fascinating and essential concept of entropy. I have done it in two languages, just for fun,

English version

Version fran├žaise

And a more technical (mathematical) article on thermodynamic potentials.

Creative Commons License
"L'univers et moi/The universe and I" by John O'Neall is licensed under a Creative Commons Attribution 4.0 International License.