Black Hole Thermodynamics
http://www.upscale.utoronto.ca/GeneralInterest/Harrison/BlackHoleThermo/BlackHoleThermo.htmlBrief introduction to the basic ideas of black hole thermodynamics; written by David M. Harrison (University of Toronto); uses no mathematical formulas; suitable for a general audience.
Submitted in section: Physics: Relativity: Black Holes: Thermodynamics: Black Hole Thermodynamics