Second law of thermodynamics
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The second law of thermodynamics is a physical law based on universal empirical observation concerning heat and energy interconversions. A simple statement of the law is that heat always flows spontan
Nicolas Léonard Sadi Carnot in the traditional uniform of a student of the École Polytechnique
Rudolf Clausius
James Clerk Maxwell
Arrow of time
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The arrow of time, also called time's arrow, is the concept positing the "one-way direction" or "asymmetry" of time. It was developed in 1927 by the British astrophysicist Arthur Eddington, and is an
Second law of thermodynamics
…in the combined entropy of system and surroundings accounts for the irreversibility of natural processes, often referred to in the concept of the arrow of time. Historically, the second law was an empirical finding that was accepted as an axiom of thermodynamic theory. Statistical mechanics provides a microscopic…
Sir Arthur Stanley Eddington (1882–1944)