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The Universe and Irreversibility


ON the assumptions that space-time is finite spatially but not temporally (apart from supernatural events such as creation), and that atoms and radiation are mutually convertible, Sir James Jeans (NATURE, 122, p. 689; 1928) arrives at the conclusion that the universe is progressing towards a final state of maximum entropy from which no return is possible. While such a state has a maximum a priori probability, it does not follow that it is final.

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HALDANE, J. The Universe and Irreversibility. Nature 122, 808–809 (1928).

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