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That is, given a certain amount of energy in a closed system, that energy will remain constant, though it will change form see Figure 1. When the wood is burned, it is transformed into a different state. The original amount of energy present before the burning is still present. However, much of that energy was transformed into a different state, namely, heat. No energy disappeared from the Universe, and no energy was brought into the Universe through burning the wood. Concerning the First Law, Young further explains that. Endless studies and experiments have confirmed its validity over and over again under a multitude of different conditions p.

This principle is known to be a fact about nature—without exception.

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One thermodynamics textbook, Fundamentals of Thermodynamics , says:. The basis of every law of nature is experimental evidence, and this is true also of the first law of thermodynamics. Many different experiments have been conducted on the first law, and every one thus far has verified it either directly or indirectly.

Matter and Energy Video 4: Law of Entropy

The first law has never been disproved Borgnakke and Sonntag, , p. Famous atheist, theoretical physicist, and cosmologist of Cambridge University, Stephen Hawking, concurred:. They apply not just to the flight of the ball, but to the motion of a planet and everything else in the Universe. Unlike laws made by humans, the laws of nature cannot ever be broken. In the nineteenth century, Lord Kelvin and Rudolph Clausius separately made findings that became known as the Second Law of Thermodynamics Suplee, , p.

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The Second Law builds on the First, stating that though there is a constant amount of energy in a given system that is merely transforming into different states, that energy is becoming less usable. Extending our wood burning illustration above, after the wood is burned, the total amount of energy is still the same, but transformed into other energy states. Those energy states e. Well-known atheist, physicist, cosmologist, and astrobiologist of Arizona State University, Paul Davies, explained it this way:.

This natural tendency towards disintegration and chaos is evident all around us , 80[] This process is irreversible. This principle is known as entropy. Simply put, entropy states that nature is tending towards disorder and chaos. Will the paint job on your house maintain its fresh appearance over time?

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Although work can slow the entropy, it cannot stop it. Renowned evolutionary science writer Isaac Asimov explained:. We have to work hard 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 own 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 , p. Entropy is simply a fact of nature.

Entropy can be minimized in this Universe, but it cannot be eradicated. That is where engineers come in. Engineers work to discover ways of minimizing energy loss and maximizing useful energy before it is forever lost. Thousands of engineering jobs are dedicated to addressing this fundamental fact of the Second Law of Thermodynamics. Your energy bill is affected directly by it. If the Second Law was not fixed—unchanging—engineers could not develop the technology necessary to maximize usable energy, thereby lowering your energy costs.

Thermodynamic magic enables cooling without energy consumption -- ScienceDaily

Some engineers devote their entire careers to minimizing entropy in the generation of power from energy. All this effort is based on the principles established by the Second Law of Thermodynamics. These principles are established as fact in the scientific community. Since laws are invariable, i.


Otherwise, they would not be classified as laws. Tracy Walters, a mechanical engineer working in thermal engineering, observed:. It has been my experience that many people do not appreciate how uncompromising the Laws of Thermodynamics actually are. It is felt, perhaps, that the Laws are merely general tendencies or possibly only theoretical considerations.

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In reality, though, the Laws of Thermodynamics are hard as nails , and Borgnakke and Sonntag, in Fundamentals of Thermodynamics , explain:. Every relevant experiment that has been conducted, either directly or indirectly, verifies the second law, and no experiment has ever been conducted that contradicts the second law.

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The basis of the second law is therefore experimental evidence , p. Miller , In fact, these foundational truths, utilized daily by the engineering world, have eternally significant, spiritual implications in that they prove that God exists. How so? If there is no God, the existence of the Universe must be explained without Him. The Big Bang theory claims that all matter in the Universe initially was condensed in a sphere smaller than the size of a period at the end of this sentence.

That sphere exploded and helps to explain why the Universe, according to many cosmologists, appears to be expanding or inflating see Thompson, et al. Even if the Big Bang were true and it is not, cf. Thompson, et al. Evolutionist Alan Guth, a cosmologist and physics professor at M. The only logical possibilities for the origin of the matter and energy comprising the Universe are that they are responsible for their own existence i. We may assert that it is self-existent [i. Consider the entire physical Universe as a system consisting of all mass, matter, and energy that exists in the Universe.

7.6: The First Law of Thermodynamics

Without God i. Since our system encompasses the entire Universe, there is no more mass that can cross into our system from the outside, which necessitates our system being closed. However, without God, the entire physical Universe as a system logically would have to be a closed system. Atheists must so believe in order to explain the Universe without God. Conservation of energy [i. Surely any observation of their violation during the puny human life span would be reasonably termed a miracle…. In principle, the creation hypothesis could be confirmed by the direct observation or theoretical requirement that conservation of energy was violated The First Law of Thermodynamics states that in a closed system, the amount of energy present in that system is constant, though it transforms into other forms of energy.

The theological implications are obvious. NASA Astronomer Robert Jastrow commented on these implications when he said, "Theologians generally are delighted with the proof that the universe had a beginning, but astronomers are curiously upset. It turns out that the scientist behaves the way the rest of us do when our beliefs are in conflict with the evidence. Jastrow went on to say, "For the scientist who has lived by his faith in the power of reason, the story ends like a bad dream. He has scaled the mountains of ignorance; he is about to conquer the highest peak; as he pulls himself over the final rock, he is greeted by a band of theologians who have been sitting there for centuries. It seems the Cosmic Egg that was the birth of our universe logically requires a Cosmic Chicken Learn More Now! Read More. What is the First Law of Thermodynamics? When were the laws of thermodynamics first described? What is the third law of thermodynamics? More simply put: the entropy of the universe the ultimate isolated system only increases and never decreases. A simple way to think of the second law of thermodynamics is that a room, if not cleaned and tidied, will invariably become more messy and disorderly with time — regardless of how careful one is to keep it clean.

When the room is cleaned, its entropy decreases, but the effort to clean it has resulted in an increase in entropy outside the room that exceeds the entropy lost. The third law of thermodynamics states that the entropy of a system approaches a constant value as the temperature approaches absolute zero. The entropy of a system at absolute zero is typically zero, and in all cases is determined only by the number of different ground states it has.

Specifically, the entropy of a pure crystalline substance perfect order at absolute zero temperature is zero. This statement holds true if the perfect crystal has only one state with minimum energy. Boundless vets and curates high-quality, openly licensed content from around the Internet.