Some people argue that the universe is like a balloon that is slowly expanding, but if you rashly "cut" the space that is expanding and stretching, it is like piercing a balloon with a needle, which will cause an unpredictable catastrophe. But this argument was quickly refuted, because the universe is not like a balloon as we feel, empty inside, in fact, more than ninety percent of the dark matter fills the entire universe, and is still growing, prompting the continuous expansion of the universe. However, the "Lin's space theory" is still questioned a lot, because space and time are one, and even if a part of the space can be successfully compressed, the time of that little space will be compressed accordingly, that is, the space-time laws of the entire universe may be broken, and no one can predict what consequences this will cause.

However, Professor Lin Xuesen explained that although space-time has a great impact on us humans, compared to the entire universe, the space-time we experience, and even the changes in space-time of millions of years since the origin of human beings are insignificant in terms of space-time in the entire universe, just like the cosmic wormholes that human beings have successfully explored. There are various phenomena that violate the current theory of space-time in the universe, and the largest wormhole currently explored is only about the size of an ordinary 3 star fields, and the smallest wormhole space cannot even accommodate a small exploration starship with an axis length of 80 meters - the exploration starship was forcibly compressed by the wormhole space after sending back a message, and the consequences are self-evident......

And some wormholes are the passages that connect all parts of our universe, but they change from time to time, and they are very unstable, and the lucky exploration starships only come out of the star field at the other end of the galaxy after entering the wormhole, and the unlucky starships pass through the wormholes and find that they are far away from the Milky Way - at present, human beings have only explored one-fifth of the Milky Way, and for the world outside the Milky Way, except for the few galaxies connected by the wormhole, they are basically unable to explore.

Although the world of extragalactic galaxies is very attractive, the existence of this kind of channel wormhole is different from that of space wormholes, it is very unstable, and most of them can only last for a few years before collapsing, so even if you find that the world on the other side of the wormhole is very attractive, there is no way to stay there for a long time, so except for some explorers, the national level has never been interested in the extragalactic galaxies that these channel wormholes lead to, and the national level has only carried out a series of developments for valuable space wormholes, and the location of some strategic-level space wormholes is the top secret of the country. The space wormhole with sightseeing value is completely open to the public, attracting countless tourists from all over the world every year.

Having said that, it is precisely because of the multi-dimensional nature of this space that Professor Lin Xuesen insists that it is feasible to compress the use of space, although some small-scale experiments have been carried out with the support of the state, but the effect has been very unsatisfactory, and then under the pressure of public opinion, the practical application of "Lin's space theory" is still far away, but I can't imagine that this achievement has been successfully realized in the peerless star field! If Professor Lin Xuesen knew about this, I don't know how excited he would be. Professor Lin Xuesen worked at the Republic of China Aerospace University, where Xiao Cheng is located, but Lin Xuesen is a professor in the Department of Cosmospace, Xiao Cheng has only met Professor Lin Xuesen a few times on campus, and he has worked hard to study this professional knowledge, so he didn't have the opportunity to listen to Professor Lin Xuesen's courses, which is really a pity.

"By the way, Xiao Chengcheng, it seems that this time you and Nan Xin and Xiao Fluttershy will not be able to return to the Rejection Domain as soon as possible, so we can only leave here with us first and then see how the old man arranges." The bald dragon grabbed the last small box and stuffed it into the box, looked up and said.

"I can only do this first" Xiao Cheng nodded, and immediately looked at Nan Xin and Brother Wu, the light screen was just closed, Brother Wu carefully hid the thumb-sized storage closely, and nodded towards the bald dragon.

"Let's go!" The bald dragon dragged the box, and the group left the room quickly, came to the front hall of the bar, and found that the old man and the three were all ready, all wearing civilian clothes, the appearance of an old and young traveler, Lao Han had a box exactly the same as the bald dragon, the energy cannon was gone, he was wearing a pair of sunglasses, earplugs in his left ear, and an oversized printed casual shirt. Fluttershy changed into a decent boy's outfit, and looked at Xiao Cheng and Nan Xin with big eyes, not knowing what to think.

"Good grandson, I originally planned to leave you here for a few days before leaving, but it doesn't seem to work!" The old man held a wooden half-wrapped metal cane and said with a smile, "In this case, it's even more uneasy to leave the three of you behind, let's get out of here first." ”

After speaking, the old man looked at Brother Wu: "Old Five, you lead the way!" ”

Brother Wu nodded cautiously and responded: "Don't worry, old man, I have already checked the secret passage twenty years ago, and no one has found it, we can follow there through the seventh and eighth blocks, and arrive at the underground warehouse of a shopping mall in the ninth block - originally this was the fifteenth floor warehouse, and in the past twenty years, the new ninth block has been expanded, and it has been transformed into the underground warehouse of the shopping mall." From there we went out into the mall, and then through the main block, there was an 'antique house', which was a secret point of contact for our Peerless Domain, and the underground warehouse was parked with the shuttle that I had prepared there, and there was a smuggling channel below that we had opened privately, and we could leave the space station directly to the location of our starship and leave directly. ”

While speaking, Brother Wu sent the location coordinates of the antique hall to the implanted chip in the palm of everyone's hand, Xiao Cheng raised the palm of his left hand, and the induction device on the wrist automatically formed a virtual image in the palm of the hand to confirm whether it was accepted, and the right hand gently touched to determine, and a light screen appeared in the palm of the left hand, which was a detailed map of the fifteenth floor, and there was a very conspicuous highlight red dot at the edge of the ninth block, Xiao Cheng clicked over, and the map was immediately converted into a three-dimensional image, and a green line was changed from a name called "Shangdu" The interior of the mall led all the way to the "antique hall" where the red dot was located, Xiao Cheng put down his arm, and the light screen disappeared immediately.

The bald head handed Xiao Cheng a pair of black leather gloves with a very ordinary appearance: "This is an external bone glove, after wearing it, it can automatically sense the force of your peripheral nerves, so that you have the means to break gold and gravel, and use it carefully to defend yourself." ”

Xiao Cheng nodded, carefully put the glove on his hand, and found that the glove had a built-in adaptive adjustment system, which quickly fit tightly with his hand without any discomfort.

"Alright, let's go." Brother Wu saw that everyone had debugged the map, waved his arm and said, "After we entered the mall, in order not to attract attention, we went to the 'antique museum' in three groups. ”

Xiao Cheng took Nan Xin's hand tightly, and the two looked at each other and smiled, nodding.

"I'm in a group with a bald dragon, well, a repairman."

Xiao Cheng noticed that Brother Wu and Bald Dragon were wearing a "Xinghai" repairman uniform, and their chests were flashing with identification devices, but the avatars on them were very different from the appearance of the two people.

The group quietly came out of the metal door of the bar, turned left into the deep alley, and walked to the end after about three or four minutes, the metal wall in front of them was dirty, painted with odd graffiti, Brother Wu raised his palm to open the light screen and cautiously checked the surrounding situation, squatted down, removed a rusty metal plate that was full of holes and leaned against the root of the wall, and pasted his palm on an inconspicuous bulge there, an old-fashioned control panel light screen suddenly appeared, and Brother Wu entered a string of passwords, There was a muffled grinding sound on the wall in front of him, and then a door quietly opened, revealing a dark passage inside.

Brother Wu nodded at everyone and walked in first.

When everyone entered, the metal door closed automatically, merging with the wall, as if nothing had happened. Twenty years have passed, and the sensor light in this dark passage still has energy, and it lights up in turn with everyone's pace, except for Xiao Cheng, Nan Xin and Xiao Fluttershy, the four old men seem to be very familiar with this passage, Brother Wu opened a hidden metal door on the right hand side of the passage and walked in, the old man smiled and smiled with Lao Han, the bald dragon stood outside and waited.

The bald dragon saw Xiao Chengnan's doubts, and explained: "This passage is a military secret passage built by the old man and them during the construction of this space station more than forty years ago, and then that incident happened, the old man was forced to leave Huaguo to go to the Peerless Star Field, and this secret passage has been preserved, and now there are probably no more than ten people who know this passage, including us." ”

"Bald, what the hell is going on Grandpa left here." Fluttershy asks curiously.

The bald dragon glanced at the old man, and saw that the old man was still smiling silently, and then paused: "Xiao Chengcheng and Nan Xin both know about this matter, thirty years ago, the old man was promoted to the commander of the 15th Starship Group Army in the Yunzhou Star Domain of Huaguo, and provoked a big man, he found someone to create a few perjuries to frame the old man for treason, and the old man was immediately dismissed for investigation, although he was later not prosecuted because of insufficient evidence, but because the person was too powerful, the old man was still expelled from Huaguo, Lao Han and I were both the guards of the old man's side back then, and after the old man was investigated, we were also dismissed, and later the old man took us to the Peerless Star Domain to lay a foundation. ”

"Hmph~ It must be a big badass!" Fluttershy flicks her small fist angrily.

"I'll let Uncle Long tell you about these things later, let's come in." Brother Wu came out of the room and took the conversation, "The military single shuttle sealed here back then was very well preserved, so we can shorten a large part of the time." ”