The Second Law of Thermodynamics
- http://www.secondlaw.com
- A qualitative introduction to the second law and entropy written for beginners in chemistry but useful for physics students too. Explains relationship with Murphy's Law.
Thermo Fluids Engineering
- http://www.tfe.wtb.tue.nl
- web page of the division of the Eindhoven University of Technology which study processes where fluid flows and heat transfer play a prominent role.