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Re: 2nd law of thermodynamics
>So books in a library which are
>properly cataloged are no more orderly in a thermodynamic sense than those
>put on shelves randomly.
>>They are more orderly, even in a thermodynamic sense, because it took
>>energy from somewhere else to put them in order from an initially less
Theoretically, since it was a catalogued library to begin with, the books
would have already been in a tidy, ordered state and any energy would have
been spent in "unordering" it. Additional energy would have been spent in
returning it to it's original state.
(worked in libraries for many years...if there weren't any patrons, the
books would stay in nice, neat rows-barring earthquakes)