• Simultaneity
  • S Second Law of Thermodynamics




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    Second Law of Thermodynamics:
    The idea that entropy (the microscopic disorder of a body) can never decrease, but rather will tend to increase over time. In practice, this results in an inexorable tendency towards uniformity and away from patterns and structures, and means, for example, that heat always flows from a hot body to a cold one, and that differences in temperature, pressure and density tend to even out in an isolated physical system (or in the universe as a whole).

    Simultaneity:
    The idea, disproved by Einstein in his Special Theory of Relativity, that events that appear to happen at the same time for one person should appear to happen at the same time for everyone in theuniverse.



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    S Second Law of Thermodynamics

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