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University of Sydney (Australia)
University of Sydney: Structure and Properties of Materials/thermal Physics
An exhaustive set of "lecture notes" on various topics in thermal physics (including thermal expansion). Explanations are well done and more interesting than most. Includes both a mathematical and conceptual treatment of topics. Humor,...
Curated OER
Classic Chemistry: Jean Perrin
An excerpt of Perrin's paper "Brownian Motion and Molecular Reality". Includes references.