Wan Changchun's words made Lin Dong, Tian Lao and the others a little confused for a while, what do you understand? What's going on?

"High dimension! Time! Dimensions and timelines! ”

Wan Changchun repeated excitedly, Lin Dong and Tian Lao were stunned for a moment, and then they also showed Wan Changchun's happy expression just now, and they suddenly realized.

"That's right! I didn't think of this! Tian Lao patted his thigh and complained to himself, he was the first to know about how the Earth Base would fight back against the Gaia people when Su Yichen sent a message from Pluto, but at that time he was only immersed in surprises, plus the war had just ended, as the main leader of the Northwest Base, Tian Lao still had a lot of work to arrange immediately.

In fact, not only Tian Lao, but also Lin Dong, not to mention that the contact between Tong Guò and the desert base knew that Wan Changchun and Hu Zhijun suddenly appeared, and when they got the news, Tian Lao and Lin Dong almost immediately decided to leave for the desert base, thus ignoring an important point.

"What dimension and timeline? Xiao Wan, what are they talking about? Seeing the excitement on the faces of the three old men, and even talking about it with their hands dancing, Hu Gang was confused when he heard it, and couldn't help but quietly ask Wan Yi beside him.

Wan Yi didn't understand what made them so excited, as a senior intellectual, although Wan Yi's major is only address exploration, but he also knows a thing or two about the basis of physics, he thought about it and said to Hu Gang: "Dimensions are actually very easy to understand, according to Einstein's theory of relativity, we are facing three-dimensional space in our lives, and then add time to buy four-dimensional." ”

Hu Gang still didn't understand after hearing this, and Wan Yi said: "Most of the 'four-dimensional space' mentioned in daily life refers to the concept of "four-dimensional space-time" mentioned by Einstein in his "General Theory of Relativity" and "Special Theory of Relativity". According to Einstein's concept, our universe is made up of time and space. The relationship between time and space is that there is an additional time axis in the structure of space compared with the three axes of length, width and height of ordinary three-dimensional space. And this axis of time is an axis of imaginary values. To put it simply: zero-dimension is a point, without length, width, or height. One dimension is a line made up of countless points, only length, no width or height. A two-dimensional is a surface made up of countless lines, with length, width, and height. A three-dimensional body is a body composed of countless faces, with length, width and height. Dimension can be understood as direction. There is more time ...... in the fourth dimension. ”

Wan Yi patiently explained to Hu Gang from the book, but the more he said this, the more confused Hu Gang became, and after a long time, he didn't understand what the other party was trying to say.

"Hehe, the theory is not understood in this way, if you continue to explain it like this, I think Xiaohu will confuse you." After discussing with Lin Dong and Tian Lao for a while, Wan Changchun noticed that Wan Yi was explaining to Hu Gang what dimension and time were. Seeing that Wan Yi couldn't understand anything, and Hu Gang looked more and more confused the more he listened, he couldn't help but laugh.

"Grandpa, I'm ......." Wan Yi's face turned red. Just as he was about to say something, he was interrupted by Wan Changchun waving his hand.

"Although you studied science, you are not engaged in physics, and your work has nothing to do with this, so it is good to be able to memorize the theories in the textbook. There is a specialization in learning, and there is a way to lecture, so let me, a stinky old nine, explain it to Xiaohu. ”

Wan Yi nodded again and again, as for Hu Gang, of course he was willing to listen to Wan Changchun's explanation, while Lin Dong and Tian Lao looked at each other and smiled, and listened together.

Wan Changchun began to explain what three-dimensional space is. What is time, Wan Changchun was originally a professor at Shimen Institute of Technology. Teaching and teaching is his own job, and teachers of their generation give lectures that are completely different from those of today's teachers.

In a few very simple sentences, Wan Changchun put Einstein's theory of relativity on three-dimensional space. Time, as well as the four-dimensional space, were explained clearly, and Hu Gang suddenly realized after hearing it and figured it out.

"Then Elder Wan, what did you and Elder Lin and Elder Tian just say ......." Although Hu Gang understood. But they still didn't know why they had a suddenly realized expression just now, and couldn't help but ask.

"Hehe, I'll ask you a question first." Wan Changchun asked with a smile.

"Please." Hu Gang nodded hurriedly.

Wan Changchun asked with a smile: "There was a hypothesis in our time, and it is estimated that this hypothesis should be clear to many people now. In fact, it is a hypothesis to be precise, it should be a theoretical result proposed by Einstein in the theory of relativity, simply put, Einstein proposed that when the speed is faster, time will be slower, if the speed reaches the speed of light, then time will stop, and the speed beyond the speed of light will see the past. ”

"I know this!" Hu Gang nodded again and again: "I have heard of this truth, and many science fiction novels, including movies, have also used this theory, according to Einstein, as long as people can exceed the speed of light, they can travel time, right?" ”

"Pretty much, but true time travel isn't possible." Wan Changchun smiled at this and corrected it, seeing that Hu Gang was stunned for a moment, he explained: "Time is actually a dimension, real time travel is impossible to achieve, there is a saying in philosophy, a person cannot step into the same river twice, this is enough to prove the fallacy of time travel." ”

"One can't step into the same river twice? No, how is this possible? Hu Gang was confused by Wan Changchun, Lin Dong took the initiative to take the word with a smile on the side, and briefly explained the meaning of this sentence, in fact, the reason is very simple, because the river is flowing, when you step into a river for the second time, although it looks like a river on the surface, but in fact, at the moment when the river flows, the river has changed, the river at this time and the river after it cannot be exactly the same, the same is true of time, people often use the long river of time to describe the passage of time, And this adjective is precisely the characteristic of time, which flows forward like a river, and the difference is only the speed of the flow.

Wan Changchun nodded slightly, Lin Dong's explanation was very clear, and seeing that Hu Gang had understood the truth of this sentence, he continued: "Time is the same, and time is relative in dimensional space, according to Einstein's theory, when you fly a spaceship at the speed of light. Time will stagnate, but in fact, from a narrow point of view, time is still passing for you, but this passage has changed because of the breakthrough of dimensions, and compared to normal space people, time is normal, and the two correspond to each other. will produce results that span time. ”

"I seem to get some of it." Hearing this, Hu Gang's face showed an expression of sudden realization, and he said tentatively: "Wan Lao, you mean that the reason why you and my father have disappeared from the Earth Base for nearly 40 years, in fact, these 40 years are just a change of time for you, or that you were in a special environment where time stood still, while the time outside was normal, so this result was produced, right?" ”

Wan Changchun, Lin Dong or Tian Lao laughed at the same time when they heard this, Tian Lao nodded and smiled: "Okay, Xiaohu." I didn't expect you to have a little understanding, and your guess is roughly good, but according to our opinion, it is more accurate to say that Wan Lao and your father were in a higher dimensional space than our normal three-dimensional space, because only in this way, the timeline will change unpredictably in the high-dimensional space, and in this case, it can also cause the result of instantaneously passing over decades. Of course, this is just speculation, but at the moment it is very likely that it will be true. ”

"Yes. I guess this may be almost true. Lin Dong interjected: "Xiao Su Tong Guò Pluto Base has obtained the basic authority of the Earth Base, and Tong Guò Xiao Su has confirmed that the Earth Base of the Rand Civilization has a high-dimensional strike capability. This is enough to prove that the Rand civilization has mastered this earth-shattering technology. And only in this way can we reasonably explain what happened to Wan Lao and Comrade Hu Zhijun, and what happened to Xiao Su inside the Earth Base back then may also be related to high-dimensional technology. ”

Wan Changchun and Tian Lao nodded slightly, agreeing with Lin Dong's assumptions, and even attaching great importance to high-dimensional technology, and the expressions of the three of them were all filled with extreme excitement and expectation.

Wan Yi didn't understand it very well, and Hu Gang didn't know it either. The three old men's emphasis on high-dimensional technology is definitely not just as important as it seems, it can be said that at this moment, the three old men are extremely looking forward to obtaining the mystery of high-dimensional technology.

As one of the most cutting-edge scientists on the planet, whether it is Wan Changchun, Lin Dong or Tian Lao, they all know the value of high-dimensional technology, compared with ordinary technology. High-dimensional technology has gone beyond the scope of ordinary technology, and this technology has even surpassed the imagination of human beings, including ordinary cosmic civilizations, and reached the height of gods.

By mastering the mysteries of the higher dimensions, human beings will no longer be afraid of any cosmic civilization, and no cosmic civilization will be able to pose a threat to human beings. Even if the daily technology of the Earth civilization is still stuck in the current situation, as long as it is possessed by this technology, then even if the Gaians make a comeback, the Earth civilization will easily defeat the other party.

The power of high-dimensional technology is indescribable, and after mastering high-dimensional technology, the spaceship can freely travel through various dimensions, and even easily throw bombs and other weapons directly into the opponent's spaceship and then detonate. From this point of view, not to mention the Gaians, even the more powerful civilizations could not resist. Imagine when you can't find the other party's storage at all, but the other party can easily discover your location, and even detonate at the vital parts of your ship through your ship's defenses.

This kind of war has gone beyond ordinary war, or rather, it is not war at all. This is a blow from God to mortals, and mortals have no power to fight back at all, in addition, mastering the mysteries of the higher dimensions, the length of life is no longer an obstacle for humans, time is only one aspect of the dimension for humans, so eternal life has also become a part of reality.

Although Wan Changchun was in good spirits and his body was much better than that of the injured Hu Zhijun, he was older after all, and after some heated discussions and understanding the situation just a few hours ago, his demeanor gradually showed tiredness.

The coming day is long, and there is no hurry. Under Lin Dong's persuasion, Wan Changchun finally accepted their arrangement and went to rest. In the next few days, Hu Zhijun's injuries gradually healed under careful care, Tian Lao arranged for Hu Gang to accompany Hu Zhijun more, in order to fulfill his son's filial piety, and at present, the desert base due to the arrival of him and Lin Dong, the main authority of the natural base was taken over by Tian Lao, and after a few days, when the reinforcements from the northwest base arrived one after another, Tian Lao arranged them on the periphery of the earth base to prevent accidents.

Su Yichen and Luo Yan, including the detachment of the Earth Space Fleet, had already rushed back to Earth from Pluto, and the sudden retreat of the Gaia people saved the Earth civilization from catastrophe, but also brought this invasion war of foreign civilizations to an end.

However, the departure of the Gaians has caused the entire earth power to fall into a vacuum, and the government of the earth, or the pseudo-government of the earth organized by the Gaians, first ran according to inertia for some time after their Gaian masters disappeared inexplicably, but as time passed, the earthlings finally found that the sword of Damocles that hung over their heads was gone.

Not only that, Raymond. Anthony's disappearance also played a catalytic role, and everyone gradually turned from shock, doubt and doubt to surprise and excitement, and also began another chaos.

People's greed and yearning for power are indelible from ancient times to the present, and when the pressure on it disappears instantly, then these things that emerge from the bottom of the heart will soon swell. A few days later, the whole earth was in chaos, and all kinds of forces emerged overnight, whether it was the resistance at that time, or the capitulation faction, or even the officials of the puppet government of the earth, in order to save their lives, rights, wealth, and future, they launched a series of cruel battles, and the fire of war that had just ended was ignited again in the countries of the earth, and it became more and more intense, almost spreading to the whole world.

The three major countries that have not surrendered from the beginning to the end, China, the United States, and Russia, are better, at least these three countries still maintain a certain amount of military strength, coupled with the legitimacy and authority of the government, temporarily suppressing the turmoil in some parts of their countries. But for the region that cannot be suppressed by one qiē force, neither country can do anything about it, and even the US government, due to the sacrifice of the president and senior government officials, is now only a temporary body, and some politicians who were hiding in the former unserving congress could not wait to jump out after the war, trying to use the legal permission, including the use of force, to compete for legitimate leadership.

In this case, the only remaining detachment of the Earth Space Fleet is a force capable of determining the future fate of the Earth, and the high-level leaders of China, the United States, and Russia have privately agreed that all parties should first control and maintain the various spheres of influence, and then wait for the return of the fleet, because everyone knows that when this fleet returns to the Earth, this overwhelming global force can restore true peace to the Earth. (To be continued......)

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