Chapter 518:

At the same time, while the "farmer" hypothesis and the "shooter" hypothesis are popular, it will inevitably create a large number of pessimists.
If the influence of this group of pessimists is not good, there will definitely be major problems in the future, and it will even affect future generations or even several generations.
This consequence is extremely serious, and at the same time everyone cannot bear it.
With the same pessimistic doctrine as the "farmer" hypothesis and the "shooter" hypothesis, a large number of people believe in another law.
This is what many pessimists regard as truth: the entropy increase theorem.
The sum of entropy will never decrease.
People may not understand the law of entropy increase, which Einstein called the "first law".
The law of entropy increase is the law of thermodynamics proposed by Clausius. He introduced the concept of entropy to describe the irreversible process, that is, the flow of heat from a high-temperature object to a low-temperature object is irreversible.
Clausius once published a paper on thermodynamics, and for the first time clarified the basic concept of the second law of thermodynamics.
As early as 1865, he also proposed the concept of entropy. Clausius proved that in any isolated system, the entropy of the system will never decrease, or that the natural spontaneous process proceeds in the direction of increasing entropy. This is Entropy increase principle.
For a long time, many scientists have tried to create perpetual motion machines to break the energy pattern of the universe, but they have all failed. Because of the conservation of energy, every force will be consumed in motion. The lonely system always tends to increase in entropy and eventually reaches the maximum value of entropy, that is, the system is in the most chaotic and disordered state. The increase in entropy will cause the universe to change from order to disorder, and eventually destroy it.
Regarding the increase in entropy, Schrödinger once said that the birth of life itself is a kind of "reverse entropy increase", but because of the irreversibility of entropy, life will die, and human beings will also release heat back to the universe through chemical reactions. To some extent, the increase in entropy is reduced, but the power of human beings is negligible and not enough to resist the increase in entropy.
The term entropy was originally a concept in thermodynamics. Later, everyone seemed to find it very useful, so other probabilities, information theory, physics, life sciences, etc. began to use this term.
Simply put, entropy can be understood as the degree of chaos, and the entropy is also large, which means that the more chaotic a system, the smaller the entropy, and the more orderly a system.
The entropy increase theorem means that a closed system can only develop in the direction of increasing entropy and increasing chaos in the system.
And the universe we live in can also be regarded as a closed system, so its evolution direction should also be that the entropy is getting bigger and bigger, and it's getting more and more disorderly.
So the question is, since the universe should become more and more disorderly, why is there such a highly ordered thing as life, including ours, born? Doesn't this violate the entropy increase theorem?
At this point, Asimov's "The Last Question" is a good explanation of the entropy increase theorem from the perspective of time reasoning.
In the book, humans invented a particularly powerful machine, which people call AC (automaticcomputer), which can solve almost any problem and iterate on itself.
But there is a problem that it cannot solve. When humans ask it "how to reduce the total entropy of the universe", it always answers "there is not enough data to answer".
In this way, AC itself continues to iteratively develop. Humans do not know how AC evolved, how much energy and resources AC has consumed in the process of evolution, and only know that AC’s functions are getting stronger and stronger. The more problems are overcome by AC.
Human life is getting better and better, death has long been conquered, human beings are immortal, and the scale of time seems to have no end for humans.
Planets begin to die out, but it doesn't matter, AC can always help humans find new planets suitable for human habitation. Everything is so perfect, but the already powerful AC still cannot solve the problem "Can the entropy increase in the universe be reversed?"
Sorry! Not enough data to answer...
Until the end, all the planets were annihilated, all the suns no longer emit light, and all humans died...
At that moment, AC, who was already living in hyperspace, suddenly thought of the answer: Let there be light! So there is light...
This book is the same as the Three-Body Problem. After reading this book, many people are unable to calm down for a long time.
As a human product, AC is constantly evolving and iterating itself in order to solve the problems of human society, especially the question "Can the total entropy of the universe be reduced?"
Every time it evolves, its own stability and order are further improved, and its own entropy is lower. In order to maintain its own low entropy, AC must continuously obtain low entropy from the outside, and this process accelerates the external world. The entropy increases.
In the end, although AC came up with the answer "Can the total entropy of the universe be reduced?", the entropy of the universe has increased to its maximum, and all planets have been destroyed. Although human beings, the creator of AC, have overcome immortality, In the end it was still in smoke...
Yes, the entropy increase theorem is not wrong, and the development of the universe does not violate the entropy increase theorem. UU reading www.uukanshu.com
In a closed system, its entropy is constantly increasing. If a system wants to maintain the entropy unchanged or reduce the entropy, it must draw low entropy from the external system and consume external available energy.
Life, human beings, including man-made machines, are extremely stable and orderly. To maintain this order, it must continuously draw low entropy from the external world and obtain usable energy.
The emergence of life, the existence of human beings, and the development of science and technology, no matter what the reason is, the objective result is to accelerate the entropy increase process of the universe as a closed system, making the universe more and more chaotic.
But the development of science and technology is nothing more than improving the efficiency of energy utilization. The more advanced the technology, the more energy will be consumed, and the universe will be destroyed faster.
So since the development of technology is not good for the evolution of the universe, why do we humans still vigorously develop technology?
It's easy to understand. Since resources are limited, it is better to use them as quickly as possible, because even if we don't use them, who knows who will use these limited resources?
The reason why the law of entropy increase is desperate is that the law of entropy increase reveals the nature of the evolution of the universe. It is doomed to the inevitable destiny of time and space, and everything in the universe cannot escape the "corrosion" of entropy increase.
Everything in the universe will decay over time, even the sun will exhaust all its energy in the days to come and go to destruction.
For example, the earth, it is precisely because the sun provides the earth with huge energy that the living things on the earth can exist.
Once the sun loses its light, this vibrant earth has only one ending: it becomes a dead planet without any living things.