Chapter 9 Notes > Section 3

	Notes for Chapter 9: Fundamental Physics Section 3: Irreversibility and the Second Law of Thermodynamics Time reversal invariance History of thermodynamics Current thinking on the Second Law My explanation of the Second Law Biological systems and Maxwell's demon Self-gravitating systems Cosmology and the Second Law Alignment of time in the universe Poincaré recurrence Billiards Entropy of particles in a box Periods in rule 37R PAGE IMAGES RELATED LINKS Main text from section Downloadable programs for this section Downloadable images Search Forum for this section Post a comment NKS | Online FAQs

From Stephen Wolfram: A New Kind of Science [citation]