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The '''Second Law of Thermodynamics''' is a fundamental truth about the tendency towards disorder in the absence of intelligent intervention.  This principle correctly predicts that heat will never flow from a cold body to a warmer one, unless forced to do so by a man-made machine.  Or, as [[Isaac Asimov]] observed,

The '''Second Law of Thermodynamics''' is a fundamental truth about the tendency towards disorder in the absence of intelligent intervention.  This principle correctly predicts that heat will never flow from a cold body to a warmer one, unless forced to do so by a man-made machine.  Or, as [[Isaac Asimov]] observed,

{{Cquote|Another way of stating the second law then is: The universe is constantly getting more disorderly.  Viewed that way, we can see the second law all about us. We have to work to straighten a room, but left to itself it becomes a mess again very quickly and very easily. Even if we never enter it, it becomes dusty and musty. How difficult to maintain houses, and machinery, and our bodies in perfect working order: how easy to let them deteriorate. In fact, all we have to do is nothing, and everything deteriorates, collapses, breaks down, wears out, all by itself -- and that is what the second law is all about.|||Isaac Asimov, Smithsonian Institute Journal, June 1970, p. 6}}

{{Cquote|Another way of stating the second law then is: The universe is constantly getting more disorderly.  Viewed that way, we can see the second law all about us. We have to work to straighten a room, but left to itself it becomes a mess again very quickly and very easily. Even if we never enter it, it becomes dusty and musty. How difficult to maintain houses, and machinery, and our bodies in perfect working order: how easy to let them deteriorate. In fact, '''''all we have to do is nothing, and everything deteriorates, collapses, breaks down, wears out, all by itself -- and that is what the second law is all about'''''.|||Isaac Asimov, Smithsonian Institute Journal, June 1970, p. 6, emphasis added}}

The Second Law of Thermodynamics is the result of the intrinsic uncertainty in nature, manifest in [[quantum mechanics]], which is overcome only by intelligent intervention.  As explained in the [[Letter to the Hebrews]] 1:10-11, the universe shall "wear out" like a "garment", i.e., entropy is always increasing.

The Second Law of Thermodynamics is the result of the intrinsic uncertainty in nature, manifest in [[quantum mechanics]], which is overcome only by intelligent intervention.  As explained in the [[Letter to the Hebrews]] 1:10-11, the universe shall "wear out" like a "garment", i.e., entropy is always increasing.

The Second Law of Thermodynamics disproves the [[atheistic]] [[Theory of Evolution]] and [[Theory of Relativity]], both of which deny a fundamental uncertainty to the physical world that leads to increasing disorder.

The Second Law of Thermodynamics disproves the [[atheistic]] [[Theory of Evolution]] and [[Theory of Relativity]], both of which deny a fundamental uncertainty to the physical world that leads to increasing disorder.

:::''Much of this article could be considered to be a continuation of the [[thermodynamics]] article, which see.  That article provides some historical background, along with an explanation of the relationship between the Second Law and the increase in entropy.''

Stated in physics terminology, the Second Law states that the [[entropy]] of an isolated or [[closed system]] never decreases.<ref>Much of this article could be considered to be a continuation of the [[thermodynamics]] article, which see.  That article provides some historical background, along with an explanation of the relationship between the Second Law and the increase in entropy.</ref>

==Entropy and disorder ==

==Entropy and disorder ==