Entropy

only quantity in the physical sciences that requires a particular direction for time

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About Entropy

Entropy is one of the few quantities in the physical sciences that requires a particular direction for time, sometimes called an arrow of time. As one goes "forward" in time, the second law of thermodynamics says, the entropy of an isolated system can increase, but not decrease. Thus, entropy measurement is a way of distinguishing the past from the future. In thermodynamic systems that are not isolated, local entropy can decrease over time, accompanied by a compensating entropy increase in the surroundings; examples include objects undergoing cooling, living systems, and the formation of typical crystals. This idea has been first proposed by Ludwig Boltzmann in 1877.

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Entropy

only quantity in the physical sciences that requires a particular direction for time

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Not who you're looking for? Others named Entropy: physical property of the state of a system, measure of disor · property of thermodynamical systems · dispersal of energy as a descriptor of entropy · the adiabatic constant

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Entropy across IJR

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About Entropy

Entropy is one of the few quantities in the physical sciences that requires a particular direction for time, sometimes called an arrow of time. As one goes "forward" in time, the second law of thermodynamics says, the entropy of an isolated system can increase, but not decrease. Thus, entropy measurement is a way of distinguishing the past from the future. In thermodynamic systems that are not isolated, local entropy can decrease over time, accompanied by a compensating entropy increase in the surroundings; examples include objects undergoing cooling, living systems, and the formation of typical crystals. This idea has been first proposed by Ludwig Boltzmann in 1877.

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Not who you're looking for? Others named Entropy: physical property of the state of a system, measure of disor · property of thermodynamical systems · dispersal of energy as a descriptor of entropy · the adiabatic constant

Entropy across IJR

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Latest Entropy news and discussion

Latest Entropy news and discussion

Entropy across IJR

Entropy across IJR