“I consider that Curie's Principle has two major consequences:
First: It shows that the class of processes which can be isolated for causal representation, not requiring the inference of external causes, is wider than the class of energetically closed systems. One-way processes in which the system loses energy can be isolable, in the sense that they can be given complete representation without taking their environment into account.
Second: It suggests the possibility of a geometrical physics treating 3D spatial relations, i. e., angles or lengths, as primary. Just as statistical mechanics, the theory of crystal symmetry, and Group theory in quantum mechanics, are useful without assumptions about forces, so Curie's principle, with an appropriate model, can determine the path of a one-way process without such assumptions…”

—  Lancelot Law Whyte

Pierre Curie's Principle of One Way-Process (1970)

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Lancelot Law Whyte 62
Scottish industrial engineer 1896–1972

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