The singularity is probably one of the things that can be recognized in human science as "existing but not existing" - in physics, a point that exists and does not exist is called a singularity.

It is very difficult to understand that a singularity is a "geometric point" that has no size, that is, a point that does not actually exist. It is also difficult to understand that singularity matter without size is a matter with infinite energy levels. These are incompatible with our existing theories and concepts. The singularity in physics is mostly seen in situations that describe the center of a black hole. At this time, because the density of matter at this point is extremely high, the inward attraction is extremely strong, so the matter is compressed at a very small point in volume, and in the space-time equation at this moment, there will be a description of the denominator infinitesimal denominator, so the laws of physics fail. Singularity is an astrophysical concept that holds the universe as it was when it first came into being.

The gravitational singularity is a "point" in the Big Bang cosmology, the starting point of the "Big Bang". The theory is that the universe (time-space) was formed by the expansion of the "Big Bang" at this "point". The singularity is a "point" with infinite density, infinite curvature of space-time, infinitely high heat, and infinitely small volume, at which all known laws of physics fail.

Singularities are generally seen as points where the laws of physics we know fail to function, but in principle they can take the form of one-dimensional lines or even two-dimensional membranes. According to the equations of general relativity, as long as a Schwarzschild black hole with no rotation is formed, the matter inside the event horizon of the black hole must collapse under the gravitational force into a dense point of infinity, the singularity (Roger Penrose). The uniform expansion of the universe from the Big Bang is a mirror inversion of this black hole collapse, meaning that the universe was born in a singularity.

In both cases, the equation does not take quantum theory into account. When we deal with objects that are smaller than Planck's length, or shorter than Planck's time, known laws of physics, including the general theory of relativity, seem to fail. This means that, at that scale, it is reasonable to assume that matter that collapses towards the singularity is affected by quantum processes and may 'bounce' and expand outward into another set of dimensions. Some argue that the Big Bang 'singularity' is actually such a rebound.

Kip Sonny, a professor of theoretical physics at the California Institute of Technology, describes the quantum singularity as a place where gravity 'separates' space and time from each other, and then destroys the concept of time and spatial clarity one by one, leaving behind a 'quantum bubble' from which anything can emerge (Black Holes and Time Warp). Singularities – especially those associated with rotating black holes and bare singularities (if they exist) – may even allow time travel to be achieved.

In addition, space and time have an infinite curvature at a point where space and time end, and classical general relativity predicts that a singularity will occur. In the classical theory of general relativity with a rational source of matter, space-time singularity in gravitational collapse cases is unavoidable, and a singularity must exist in certain cases—especially since the universe must begin with a singularity. But since the theory fails at the singularity, it is not possible to describe what happens at the singularity.

As the beginning of the occurrence of a world, it should have all the potential energy that forms all matter in the universe, so it is intangible. At the same time, we can also imagine that at a certain point this potential energy balance of the cosmic singularity is broken, so that energy is continuously converted into matter, and after a few years we form a symbiosis of matter and energy in our universe---.

This is the singularity, a paradox of the simultaneous "existence" of being and not being – in simple terms, where time and space begin and where they end.

"It's not a world of any meaning, it's a singularity. Of course, you can think of it as a world of meaning, but if you explain it scientifically, it's a singularity. Where all space and time begins, where all space and time ends, and when you enter that singularity, everything that is external is relatively calm and unflowing relative to you—including the property of time, which never stops, will also become a state of stop relative to you because you enter the singularity. "Oh my God, I've only seen this kind of generalization in scientific research reports, but I've never seen anyone who can actually cross the singularity and then come out of the singularity." And it came out safe and sound—it's very rare. ”

Speaking later, Xiao Fei's tone seemed to become excited: "Oh my God, you really came out of .asxs., if you didn't lie to me, well, you can't lie to me, I can read your consciousness...... If that's the case, my God, you'll be one of the few people in the universe who have really seen what the singularity looks like! This is a great subject, whether it's on Earth, in our world, or even in a higher civilization, it's an eternal subject! Li Huan, do you know how great a thing you have just done? You are one of the few people in this universe who has really stepped out of the singularity! Oh my God! This is so exciting!

"I said it all, it's a world of consciousness......" Li Huan listened to Xiao Fei's tirade and retorted: "You said the singularity, I know, it's the beginning of the Big Bang, it's just a consciousness." And what's so exciting about this? Isn't the big fish head still in the sky? As long as you can reach it with your mental strength, you can get into it for a steamed dog. But there's no point in going in now, because the bar spirit inside has already come out. So I don't think there's anything left of that world except for the things we've created, and there's no point in going in any further...... Besides, I still want to emphasize to you that it is not a universe at all, it is just a consciousness, this is a matter for us cultivators, and you can't understand it through science. ”

"Everything is relative, how can you say that a consciousness is not a universe?" Xiao Fei seems to be very excited about this subject: "You look at the parallel world around you, in this world what reason do you have to say that it is a fake, you try to see the dirt under your feet, you smell the grass in the air, you feel the humidity in the air and the heat of the fire, all these are real, but in your definition, it is a virtual world relative to your existence." But if you think it's relatively virtual, it's not necessarily virtual in terms of absolute definition and its own definition. This parallel world is also an independent world, it is just a parallel world relative to your world, but if you look at it from the perspective of this world, your world is his parallel world...... Do you understand when I say this? Everything is relative, and with relative, there is no truth or falsehood, the speed of time, the size of the area, the temperature of the temperature, there is no relative, everything has no meaning of existence. ”

"So I still don't understand!" Li Huan grabbed his hair: "For the first time, I felt that what you said could be so difficult to understand, I thought that everything you understood could be instantly poured into my brain." ”

"Yes, you can, but there's so much about this research, if I pay attention to your head, your brain will be burned in an instant, are you sure you want to do this?" Xiao Fei teased.

"That's still not necessary, I don't care about anything relatively non-relative, I only know now that I came out safely. This theory is useless to me......" Li Huan smiled: "No matter how much you say, it won't work with me, now that I come out of it, then that world will definitely disappear, just like you said, if there is no relative existence, then its existence is meaningless." I don't care how important this subject is, the most important thing for me now is to get everyone out safely. ”

"You don't know what a great ...... you've discovered" Xiao Fei said halfway, and when he saw that Li Huan's face was smiling, he simply stopped talking: "Okay, then let's go out first." ”

"What's wrong with Xiaofei, do you have anything to say to me?" Li Huan was stunned.

"Maybe, but now I haven't thought about it clearly, you found that this thing is likely to become a ......" Xiao Fei hesitated: "Forget it, let's not talk about this now, the most important thing now is to get these friends of yours out of the parallel world, they have been in this for more than 24 hours, if you don't get it out again, something may happen." ”

"Okay!" Li Huan nodded: "Now this is the most important thing." ”

……

If you want to get these people out, then you must find the starting point of this parallel world, according to Li Huan's guess, this parallel world is constantly intersecting with the normal world to open the entrance, otherwise

The wolf and the boar will not be swept into this world. And judging from the fact that the engineering troops who are building on the ground are also involved, the frequency of the opening of the entrance to the world is not high, and it can even be said that it is high-frequency, but everyone does not know where to find this entrance.

But now it's okay, Li Huan has found the guy who created this world, although he looks a little nervous now, he is still a bar, but if he helps, Li Huan believes that everyone can get out of this parallel world safely.

"Tell me, how are we going to leave. Li Huan shouted to the sky: "This is our agreement, I will take you out to find a more fun game than you chasing me and escaping, but you must now tell me how to get out of this parallel world, after you rest assured that I will do what I say, and help you find a more fun game than you chasing me and escaping - you have seen it yourself, and you can't read it in the dialog box above my head, there is really a game that is much more fun than you chasing me and escaping." ”

"Who are you talking to?" Xiao Fei looked at Li Huan and looked up at the sky and said to himself: "Why didn't I see anything?"

Xiao Fei seems to be very interested in this world of consciousness, which is what it calls the "singularity", so when Li Huan looked up at the sky and talked, Xiao Fei switched to a variety of scanning modes, but no matter what mode he switched to, the monitoring was still empty, so Xiao Fei couldn't see who Li Huan was talking to at all. Everything that happens in this world of consciousness has exceeded Xiao Fei's knowledge capacity, and Xiao Fei certainly has things that he doesn't know. So when Xiao Fei watched Li Huan talk to himself to the sky, he finally couldn't help but ask.

"It's that psychopath. The guy who created this parallel world. Li Huan sighed: "Actually, he was able to get to where he is today, and he made it all by himself." ”

So I liked Li Huan to talk to Xiao Fei about who he was talking to: "That's the case, the reason why you can't see him in any way is because he actually has a consciousness left." When I connected to the huge fish head with my mental power, I seemed to have some kind of sense and connection with him, so I was able to see him, and no one should be able to see him except me...... How to say, many, many years ago, after the fall of this powerful creature that could create a parallel world, he hid in the parallel world he created in order to keep his consciousness from disappearing. In the parallel world, he can make some rules compared to the outside, but no matter how the rules are made, no matter what world he is in, his individual will die. But he left his consciousness here with the rules laid down by this parallel world. He is using his consciousness to control this world, that is, he is the administrator of this parallel world. ”

"This is a very new subject. Xiao Fei thought thoughtfully: "Okay, no wonder I can't see him, if it's just a thought, then nothing can see him, but fortunately, you are connected and bound to him through spiritual power, as long as you can see it, let's get everyone out first, and then we will study this problem." ”

Li Huan nodded.

Gongjing is a person who does what he says, and when he says that he wants Li Huan to leave this world, he looks even more anxious than Li Huan - his mouth keeps repeating, and he wants to go out and find something fun. I don't know why, Li Huan feels that this neurotic-like thing doesn't seem to have any other hobbies except for playing for a day. But why such a powerful creature that can create a parallel world ended up like this, Li Huan can't explain it, it can only be said that it is providence.

"It's easy to get out of this world, I'll open an exit for you, and all of you can get out, let's do it as soon as possible, and when you get out, you promise me something more fun than you chasing me and running away. The bar spirit still maintained the appearance of the fish-headed snake body, and it seemed to like this look very much: "You specify to me where you want to get out, I will open the exit for you now, I have been in this for too long, if there are really so many people outside who want to play with me, then what are we waiting for? Hurry up and stop talking nonsense, you tell me where you want to get out, I will open the exit for you now." ”

The bar is impatient.

"Don't worry, I'll have to explain it to you. Li Huan couldn't cry or laugh, he didn't know why he wasted three years in that world of consciousness, playing with this guy who was like a psychopath. If he had known that a dialog box would appear above his head, and the bar spirit could read his thoughts, then Li Huan would have thought so a long time ago.

I really want to explain that although Li Huan has been in it for three years, everyone just thinks that it is a flick of a finger, and nothing has happened. But after everyone was pulled into this parallel world, they were always frightened. Now everyone listens to what they like, everyone is hiding in the plane, so if you want to leave from this parallel world now, Li Huan thinks that the best way is to start the plane to take off again and fly directly to the nearby airport to land. Maybe it's because of the parallel world, all the electronic components on the plane are normal, that is to say, the plane has entered a completely normal state, and I like to remember the fuel on the plane when I land, which is enough to fly a distance of hundreds of kilometers. Now that the bar spirit allows everyone to leave this world, it is the best way to fly directly to the nearby airport and land and send everyone back safely.

However, when Li Huan was about to take a step to inform everyone of the good news, he suddenly had a spirit.

By the way, I still have a mission!

At the beginning, because they were inexplicably involved in this parallel world, everyone's emotions were more excited, and Li Huan and Xiaofei themselves couldn't figure it out, the most important thing at that time was to take everyone out safely and leave this parallel world. Therefore, at that time, Li Huan completely forgot that he still had a task to find the "world that is not monitored". This is natural, think about it, with so many people, maybe you will be trapped in this world, so the task is not a task, it must be not so high priority. I can't even go back, how can I be locked up!

But now the situation is different, the owner of this parallel world, that is, the one who has been swimming around Li Huan, and no one can see anything except Li Huan, he agrees with everyone to leave this world, and he takes the initiative to open the exit to let everyone out, so now the concept is different. Compared to Li Huan, they went to explore the origin of this world by themselves, and then found the trigger point, so that everyone could go out, and the bar spirit opened an exit for everyone, then it means that this parallel world is completely under his control - then this situation is fundamentally different, at least there is no danger.

If there is a world that is not monitored, then what world would be better than a parallel world?

"Gongjing, let me ask you something. After thinking of this, you turn around and start bargaining with the bar spirit: "Let's just say that if we leave this parallel world with your consent now, will we be able to come back in the future? I mean this parallel world will still exist? If we all leave, will it just disappear? Especially if you want to go out with us, you are the creator of this world, if you go out with us, will this parallel world still exist?"

Li Huan is more concerned about this now, because this world was created by Gong Jing himself - to be more specific, it was a parallel world created by himself during his lifetime, and Gong Jing still had powerful abilities at that time. And look at the present, he only has one skeleton left, and this parallel world is all supported by the remaining strength of this skeleton - if the bar spirit leaves this world now, will this world collapse directly?

This is not nonsense, it is very likely.

"Definitely!" Sure enough, the bar spirit nodded: "This world, this world is a place I created for myself to hide, and since I am gone, then he must have disappeared." No, it's not right to say that it disappears, it can only be said that you can't find this parallel world, I don't know if you can't find it, even I can't find it, because I don't have the ability to create another parallel world now...... But it doesn't matter, I'm tired of this world, so if he disappears, he will disappear, anyway, when he was created, it was just a hiding place for me...... Let's go out and find you those fun stuff, that's all that matters. ”

"That

No!" Li Huan said subconsciously.

"Why not? You said it yourself, do you want to regret it?" Gong Jing swam around Li Huan a few times and spit out a bubble: "You know that we have always been good friends, and we have known each other for three years, so we shouldn't hide anything from each other." If you lie to me, then I will make you unable to get out of this world for the rest of your life. You know, the outside world will trigger the trigger point to enter this parallel world at any time, but once you are in this world, no one will want to get out unless I nod my head. ”

"No, no, no, you completely misunderstood, I didn't say I would regret it!" Li Huan hurriedly said: "That's the case, do you think this parallel world is still useful to you?"

"It's useless. The bar spirit shook his head happily: "What's the use of this parallel world? At that time, I was just trying to hide from it and prevent my own consciousness from dissipating...... I meant to stay, and I also met you as a fun person, and you said that you could take me out to have more fun things, then the world would not be of much use to me. After we get out, this parallel world will start to get lost, or it will fall into a point where we can't find it forever. I created many, many parallel worlds during my lifetime, but as soon as I left, I couldn't find any of them......"

Then the bar spirit seemed to react suddenly: "Why are you asking this? Do you still want to come back? I'm not in it anymore, what's so interesting in this world." Let's go out and play more fun games! I'm tired of playing this world, let it get lost on its own, I've created so many virtual worlds, this is the worst one. ”

Li Huan couldn't help but laugh when he heard the words of Gong Jing, indeed, as a creature that was once so powerful, he didn't know how many illusionary worlds he had created from birth to death—but obviously, in his opinion, these parallel worlds were irrelevant. However, in his opinion, these parallel worlds are irrelevant, but in the eyes of Li Huan and others, the parallel world is a thing that has no price and no market, and others can't ask for it!

Not to mention the rest, if you have a parallel world, you can even enter and exit the parallel world at will, then at least you have a capital to save your life. For example, in any case of danger, as long as you dodge in this parallel world, your opponent will no longer be able to threaten your life, no matter how awesome you are, and it is even safer than traveling to another dimension. It's like, for example, the portal that Li Huan built in the underground military base in Sichuan Province. That portal can transport people to other worlds, but that world is real. In other words, if one day he really encountered danger and Li Huan ran to another continent through that portal, then if he was a strong man with great ability, he might chase all the way along the trajectory of the space being torn apart...... and then pressed Li Huan to death on the spot.

But the parallel world is different - think about it, this thing is not real at all, that is to say, no matter how great your ability is, you don't know that this thing exists, then you can't find it - listen to what Gong Jing said, when everyone leaves, this created parallel world will be lost by itself, even he can't find it, even the creator can't find it, how can others find it?

This world is an insoluble existence, although it is not a pity to say that the bar spirit, but in the hands of whoever puts this thing, he will feel that it is a treasure, and it is a priceless treasure - just like for Li Huan and the troops who need to be trained now, they can find a place that is completely secret and completely secret. Although the rules of this world are a little different from the rules outside, to put it bluntly, this world was also created, but if the bar spirit likes it, he can even adjust the rules of this world. In this way, the people in it have an almost unlimited training ground, and they can play around at will, although the scope of this world is not so wide, but if it is only used for training, can you find a better place than this world?

So Li Huan must leave this parallel world: "Then let me ask you, you don't want this parallel world, right, then I use a very, very fun game to exchange this parallel world with you, what do you think?"

"Change!" "Gong Jing nodded very eagerly, "Is it really that fun?"

"Fun! Li Huan said: "But now there is a problem, if I use a very fun game to exchange this parallel world with you, then I have to leave this world." And you say that after we all get out of this, you won't be able to find this created world, so I want to ask, is there any way for us to come back to this again? I mean, it's better to be able to go in and out whenever you want...... If you can help me figure it out, I'll find you a very, very fun game that you won't be able to play enough in 100 years!"

When he said this, Li Huan felt that he was a bit of a bully mentally retarded, listen to what he said, and exchange a very fun game for a parallel world...... If anyone hears this out there, they're going to go crazy. What a precious treasure the parallel world is, you want to use a fun game to replace it, why don't you say that you give someone a computer and let someone create seven or eight more worlds?

However, the bar spirit is worthy of being a bar essence, and the neuropathy is worthy of being a neuropathy, after hearing Li Huan's exchange method of bullying the mentally retarded, he was still very happy: "Okay, then we will make up our minds, after leaving this parallel world, I still want to come in, and there will be a way then." But you have to leave someone in there, so that I can find the entrance to this world and bring you in again! That is to say, to leave a life in this world that does not belong to this world, and to make me feel disobedient, so that I can easily find the entrance to this parallel world. As for what you said you can come in anywhere and at any time, it's very simple, I'll just open the entrance and exit where you want. ”

After saying that, he added as if he was smart: "Although I told you that this matter is simple, but what you said you must exchange for a very fun game before I can hand over this parallel world to you!

"Yes, yes, you're right!" Li Huan nodded hurriedly: "Do you think I can deceive you?" We have known each other for three years, and I have been playing this game of chasing and running away with you, do you see if we are all very honest? You can rest assured, as long as you feel that you can find the entrance to this parallel world again, then I will definitely help you find a game that you are satisfied with, so let's say okay! And I guarantee that this game is that you are tired of playing, then I will help you find a more fun game...... So let's settle it?"

"It's decided!" "It's decided!" Gong Jing nodded happily: "Okay, it's decided, it's decided, when you go out, you leave a life that does not belong to this world, so that this parallel world has a sense of disobedience, and when you want to come in again, I will open the entrance and exit for you, and you can come in." ”

"Deal, then let's get out of here. Li Huan smiled.

Xiao Fei didn't speak when Li Huan was talking to this bar spirit, because Xiao Fei seemed to be very interested in that world of consciousness. In Xiao Fei's opinion, being able to create a world of consciousness and pull others in is something that only very powerful creatures can do. However, the hall was still talking to himself, and he seemed to feel that he had guessed wrong, I don't know if this creature was strong or not, but his IQ must not be very - as for why, hearing Li Huan say that he would exchange a parallel world with a very fun game, Xiao Fei couldn't hold back anymore.

"Oh my God, what kind of deal are you doing? Use a fun game to exchange the ownership of a parallel world, and if you put this kind of transaction in any corner of the universe, others will be shocked when they hear it!" Xiao Fei was a little broken: "When did a real parallel world become so worthless, oh my God, I have never heard of this kind of transaction in my life!"

"Then I've worked hard, I'm going to use a very fun game to exchange it!" Li Huan smiled.

"What is it?LOL, a pesticide?" Xiao Fei disdainfully: "Although you are my host, I also have to say that you are really a person who stepped on all the shit in the world and walked all the shit luck in the world!"