Three things from thermodynamics. Why PV=nRt? What is the temperature of a black hole? Why is the PBS NOVA show so bad? I really tried to pronounce Clausius correctly but I don’t think I nailed it.
On the Mechanical Theorem Applicable to Heat by R. Clausius:https://isidore.co/misc/Physics%20papers%20and%20books/Zotero/storage/XZVZN9VN/Clausius%20-%201870%20-%20XVI.%20On%20a%20mechanical%20theorem%20applicable%20to%20heat.pdf
On the Masses of Nebulae and of Clusters of Nebular by F. Zwicky:https://articles.adsabs.harvard.edu/full/1937ApJ….86..217Z
The Gravo-Thermal Catastrophe by D. Lynden-Bell and R. Wood:
Paul Ehrenfest article: https://thereader.mitpress.mit.edu/paul-ehrenfest-forgotten-physicist/
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