Entropy shown by dissipation. Entropy is a measure of the amount of order or disorder in a system,as well as how reversible a change is. This is illustrated here by a heap of objects (lower right) being scattered and spread outwards (upper left),a process that is difficult to reverse randomly through thermodynamic processes. The change is from order to disorder. However,the increase in entropy here is not as much as when a well-ordered object is broken,as less ordering is needed to recreate the pile than (for example) a broken cup | |
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