Elaine saw that Hawking’s breathing was getting better, and when he asked and answered with Huang Ji, he stood silently on the side and did not dare to interject, and he didn’t even dare to breathe.

She doesn’t know what to change history or make history.

Elaine only knew that she must be witnessing history.

Hawking thought for a moment, did not understand the meaning of Huang Ji’s words, history cannot be changed, can only create? He didn’t want to hear such vague answers.

I saw him asking, “Are you really a time traveler?” I still can’t believe it, when I saw that invitation, I felt that the world I had understood all my life was collapsing. ”

Huang Ji was noncommittal and did not speak.

Hawking said: “I will not send out invitations, I can tell you very firmly that I will not send invitations!” ”

“Please don’t say that you will send the invitation in my place, you should understand that I am asking a question equivalent to my grandmother’s paradox, please tell me, why can you come to my party?” ”

Huang Ji picked up another orange to eat and said with a smile: “Professor Hawking, as a scientist, you should understand that paradoxes do not really happen. ”

“When you think that one thing is a paradox, there must be some kind of misunderstanding here. ”

Hawking asked: “Please tell me, what is the misunderstanding?” Since you came to my party, you must be willing to satisfy my curiosity, right? ”

Huang Ji said: “Of course, professor, I will also learn something from you. ”

“Okay. Hawking agreed without hesitation.

He doesn’t care what Huang Ji needs, even if it’s life, he has long been sentenced to death by doctors, and it is curiosity about the universe that drives him to live to this day.

Huang Ji said: “If A goes back in time and kills his grandmother before his mother is born, it is natural that this action will cause contradictions, resulting in A not being born and not traveling through time and space to kill his grandmother.” ”

This is Hene’s grandmother’s paradox, which is widely circulated and very classic, and it also represents a certain human arrogance about time. ”

“In the story of the grandmother paradox, ‘A is a person born normally without being killed by her grandmother’, and at the beginning of logic, the history of ‘grandmother is alive’ is implanted in people, which is clearly assumed. ”

“After first arranging a ‘normal history’,

It is also assumed that a history of time travel to kill my grandmother creates a B history. ”

“The story then compares history A and history B to ‘simultaneous’ events, saying that this is contradictory. Isn’t this nonsense? ”

“Alexander’s conquest of Egypt is a kind of history, and his failure to conquer Egypt is also a possibility of history. The two historical possibilities, as long as they are carried out simultaneously, are naturally contradictory. ”

“The whole paradox, it is clear that one person has participated in two histories successively, but misleading people into thinking that ‘it should happen at the same time’, is stealing concepts. ”

This is a typical logical misunderstanding, an artificially created paradox. ”

Hawking tilted his neck and said: “This is a thought experiment, of course, there is a hypothetical premise, this person travels to the past and participates in the past history, of course, it belongs to both histories.” ”

Huang Ji said: “This is a misunderstanding. Professor Hawking. ”

“The reason why the concept is stolen and does not feel contradictory is because there is a ‘time travel’ setting in the middle. ”

“People don’t really know anything about going back in time, so you instinctively feel that it’s reasonable to participate in two histories at the same time. ”

Seeing that Hawking hadn’t figured it out by himself, Huang Ji said with a smile: “When a phenomenon occurs, it must make sense.” When one thinks that something is a paradox, something must be misunderstood. ”

This is something that Hawking agrees with, and this is the cornerstone of science.

One thing is a paradox, either a concept is not added or a concept in it is wrong.

So there are two main explanations for the grandmother paradox, one is Hawking’s timing protection conjecture: time travel is not allowed at all.

The second is the famous parallel world theory, when a person crosses the world, he or she reaches a whole new world, killing not his own grandmother, but the grandmother of the exact same ‘other self’.

“So… You mean parallel worlds? You are already standing in front of me without paradoxes, so you are from another parallel universe? Am I wrong…,” Hawking said.

He does not support parallel worlds, arguing that time travel does not exist in order to preserve the paradox from occurring.

Now that Huang Ji was standing in front of him, he could only think that Huang Ji came from a parallel world.

Unexpectedly, Huang Ji shook his head and said, “No, in fact, you are right, your theory is closer to the truth, Professor Hawking.” Time travel does not split into parallel worlds. ”

Hawking’s eyes moved sharply, and he was surprised.

What the? Not a parallel world theory? Timing protection closer to the truth?

How can it be? In other words, the time traveler travels through the past of his own world? Isn’t this still a face to the grandmother paradox?

Huang Ji explained: “The grandmother paradox, the false premise is that time travelers can enter the past after history… Back to the original history. ”

“That’s the biggest misconception people make: think of time as space. ”

“People don’t perceive time, as if they can’t perceive a higher dimension, so they can only guess what it looks like.” ”

“Because people can move forward and backward in space, it is assumed that once they master time, they should also be able to move forward and backward in time. ”

“This has led everyone to understand time as a road, and time travel as going back in time and going back to the beginning.” ”

“In the end, I was depressed to compare ‘the world before I changed’ and the ‘world after the change’. Isn’t this nonsense? ”

Hawking said: “Are you saying that after going back in time, you can’t go back? ”

“What about the original world? ”

Huang Ji smiled and said, “Look, you’re imagining the original world again. ”

“People find paradoxes because they have forcibly joined a world that ‘doesn’t exist’. ”

“Time has been misunderstood, and it should not be compared to space, but to light. ”

“Light… Reflected back, do you think the light is flowing backwards? It’s just a change of direction. ”

Hawking was silent, and then asked: “So the nature of time, what is it?” ”

Huang Ji said: “The essence of time, you can imagine as a substance. ”

“It is not that everything moves forward in time, but that time is born one by one on all things. Time is not space, it is not a road. ”

“Time also has the property of particles, part by piece, like a light quanta, absorbed by all things. This absorption itself is not time-consuming, in fact, it is the intrinsic property of matter. ”

“It’s like quantum fluctuations, appearing instantaneously and being consumed instantly. ”

“Everything includes space, which absorbs time and changes itself, and can only absorb, not emit, just as entropy increases, it has only one direction. The ‘time entropy’ that has been consumed will only increase, not decrease. ”

“If the substance has no reabsorption time, it is stationary. It’s a bit similar to energy, isn’t it? Time is a kind of ‘fuel’, but ‘the energy that drives things to change’. ”

“Energy is only a condition that drives the change of matter, light has energy, and without time, everything will not change, space will not expand, energy will not be static, and the world that will not change is meaningless.” ”

“The more time everything absorbs, the faster it changes. Conversely, the slower the time. This is related to mass, and the greater the spatial distortion, the lower the rate of absorption time. The most efficient is undoubtedly the rate at which a zero-mass object absorbs time in a vacuum. ”

Elaine listened to the clouds and mountains on the side, and her little face was confused.

Hawking was stunned, Huang Ji directly regarded time as matter, but also as energy, and space as matter, and finally unified them together, and proposed the concept of time entropy, which conforms to reality while preserving the second law of thermodynamics.

Relativity and quantum mechanics are two edifices of human physics, but they are incompatible with each other, and the biggest contradiction is the understanding of space-time.

People have been looking for theories to unify them, and then there is such a thing as string theory, which has to be added to the high-dimensional conjecture.

But Huang Ji has a different way, it directly treats time as a matter like quantum fluctuations, born one by one, it has no mass, nor is it forced, so it is observable.

The only proof of its existence is the slow time of massive objects.

Huang Ji is compatible with the theory of relativity and quantum mechanics.

“It’s amazing, can you prove it? Can you deduce it from a mathematical description? Hawking said wistfully.

However, Huang Ji said calmly: “I’m sorry, Professor Hawking, the proof process is too big to write here!” ”

“#@¥#@#@…… ¥#@! Hawking once again had a language barrier and couldn’t utter a word for a long time.

He knew that this was not only a problem that he could not write down, but his limited life would probably be difficult to read the grand unified model of the universe.

“So the essence of time travel is not to leap into the past on the timeline, but … Emission time? Hawking slowly calmed down and immediately deduced the time reversal method according to Huang Ji’s theory.

Huang Ji said: “Yes, this is a theoretical way to go back in time. Just as life is a low-entropy body and can discharge entropy from the body, this actually exacerbates the entropy increase of the universe as a whole. ”

“It’s the same with emission time. Normally, it cannot be emitted, but in theory, it is possible to achieve ‘time emissions’ with technology, and one emission will lead to the other bearing. The emission time itself also consumes time, and the total amount of time in the universe is finite, so it will eventually lead to… ‘time death’, and time entropy will increase to the limit. ”

Hawking exclaimed, “Time is… Is it limited? ”

Huang Ji said: “People’s biggest misunderstanding of time is this, the total amount of time is limited, which is cruel, but the truth. ”

“The total amount of matter in the universe is finite, energy is finite, space is finite, why is time infinite? ”

“Physicists who work to unify time, space, energy, and matter all treat them as ‘the same thing,’ and they are essentially the same thing. ”

Hawking is silent, if you want to establish a grand unified theory, then these four things are actually different manifestations of the same thing.

Huang Ji continued: “Absorption and emission are consuming time, and emissions consume double. So Dr. Hawking, your theory is correct, ‘time is irreversible’, but the universe can return to the past state, which is actually not a contradiction. ”

“If an object stops absorbing time, then it stands still in time, and no matter how it attacks it, it will not produce any physical reaction or chemical change with it. No, you can’t even see it! Because it does not emit light, it does not participate in electromagnetic interactions. ”

“In the universe, it doesn’t even know it exists except that it fixes the originally distorted space-time, that is, the gravitational field. ”

“If it accelerates absorption, then it accelerates time.” Shroud the entire Earth in a time-accelerated field, and you will see the rapidly developing Earth…”

“On the contrary, if a person wants to rejuvenate, it is good to discharge his own time, and the position and state of the material will be reversed. ”

“If you want to go back to a bygone era, you can discharge the time of the entire space and all the substances inside. ”

Hawking understood, so that the grandmother paradox does not contradict.

Suppose A emits all matter in the universe in time, say fifty years, then he goes back fifty years.

He killed his grandmother, but this did not cause him to disappear, because he had already ‘killed’ his mother when he turned back in time, and he erased everything that had been born for fifty years, and reverted all particles to the state of the past.

A goes back to fifty years ago, belonging to the ‘island in the river of time’, and can no longer go back to fifty years later, time is irreversible, history is history, and the past is the past.

He just let everything, change direction, start over.

“Going back in time does not change history, but creates history…” Hawking remembered what Huang Ji said at the beginning.

This conjecture is amazing… No, this is not conjecture, the other party is a time traveler, what he said is… Fact?

“You irreversibly turned back the time of the universe in order to come back to see me? Hawking said in horror.

Huang Ji smiled and said, “It has nothing to do with you. UU Reading www.uukanshu.com ”

Hawking is not surprised, the other party cannot change the world just for him, there must be other reasons, see that he is incidental.

This is simply unimaginable technology! How much harm does this do to the universe?

The most frightening thing is that the people in it will not know that time has been turned back, let alone find any traces.

“Unbelievable, how many years has the universe gone backwards? Will humanity already rule the universe in the future? How many years has this been developing horror technology? Hawking was completely stunned.

Unexpectedly, Huang Ji said: “This has nothing to do with human beings. ”

Hawking was stunned, it has nothing to do with humans? What does this mean?

Huang Ji’s next words made him and Elaine completely stunned.

“Professor Hawking, I never said… I am human. ”

……

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