Zhou Kun, who returned to the ground, seemed to be a little absent-minded, what he saw and heard in the dungeon made him want to stop, but he couldn't tell anyone else about these things, the only one who could ask was Liu Shujuan, so he found Liu Shujuan and wanted to ask about it.

"Is the dungeon rebuilding a prehistoric civilization?" Zhou Kun asked very directly, there was nothing to hide with Liu Shujuan, and the two knew each other's many secrets.

Liu Shujuan took a deep look, "Yes." Humans began to study dungeons long before the first year of the ephemeris, and now it is in the third stage. ”

"Phase III?"

"The first stage is before the ice age. Human beings have always thought that the reduction of sunspots will only enter a small range of ice ages, usually decades or hundreds of years, similar to the situation in the prehistoric civilization period of the Gregorian calendar for hundreds of years, but this ice age is far beyond human imagination, fortunately, before the first year of the ephemeris, human beings began to rebuild the first stage of research on prehistoric civilization, and in the exploration and development of Mars, a new element was discovered. Combined with the first phase of research, the city's transparent metal cover was formed and protected for hundreds of years to come. ”

"That's a coincidence, otherwise humanity would have perished." Zhou Kun said with emotion that the more he learned about these, the more he felt the insignificance of human beings.

"The second stage is the development and utilization of energy in prehistoric civilizations. Through the reconstruction of prehistoric civilizations, some special power energy sources have been discovered, and after several generations of refinement, this energy called gaseous NA energy can reach 73% purity through purification, with the help of which sub-light speed vehicles have emerged. As a result, humans were able to develop flying machines that flew out of the solar system. ”

"Now for the third stage. I don't know exactly what the third stage is. Liu Shujuan's expression was a little gloomy when she said this.

Probably before the third stage, Liu Shujuan's family was expelled? Zhou Kun said secretly.

Liu Shujuan looked at Zhou Kun very quietly and did not speak again.

Zhou Kun quickly found a thread from these fragmentary information, and thus confirmed that what Liu Shujuan said was basically true. The only thing that makes Zhou Kun wonder is whether Liu Shujuan is a member of the rebels? Is it related to several incidents at school? He wanted to ask directly, but even he thought it was stupid.

The two of them looked at each other inexplicably, almost staring at each other in the eyes of outsiders, what a deep affection it requires.

"I heard Zuo Lan say that you promised not to do anything to be sorry for me?" Zhou Kun thought about it for a long time and decided to start emotionally.

Liu Shujuan glanced at this man, although she was very tempted, but she knew where her future was, not to mention that she had always taken her promise very seriously, "Yes." I'm not going to do anything to be sorry for you. ”

"I need to go to the dungeon a lot." After all, the first time I went to the dungeon, I didn't find the so-called resources.

"Yes. But I can only take you one. This is a question of principle, and Liu Shujuan answered in the affirmative.

"Then it's settled. I'll go the next day. Zhou Kun breathed a sigh of relief, "If, as you said before, there are dungeons under every city, then what about our school?" ”

"Of course there are. It's just that fewer people know. Do you remember some of the rich second generations who appeared in the cafeteria? ”

Zhou Kun had an impression of this, and he almost had a dry fight at the beginning.

"They're supposed to be from the dungeons, and that feeling can't be wrong. It's just that I don't understand why they are coming to the surface. Liu Shujuan also has her own questions.

Zhou Kun didn't ask again, this information was enough for him. "Liu Shujuan, no matter who you are or what you are doing, what I promised you will definitely be done."

"Of course. If you don't say this, I know it. ”

After the two of them went to the dungeon, their feelings seemed to deepen.

……

Galileo.

The humble R&D center is Zuo Lan's favorite place to stay. A few small rooms can be simply arranged to be a test center, with a variety of equipment and some rare resources.

"What? Make a model of civilization? Zuo Lan was taken aback by Zhou Kun's idea.

"Yes, I want to simulate the creation, evolution, and future of civilization." Zhou Kun's idea is incredible even to himself, but what if it can be done?

Zuo Lan glanced at several other students in the R&D center, "Zhou Kun, are you sure it's a simulation?" ”

"What's the problem?"

"There are so many questions! And it simply can't be done. First, we don't have the most important things. Prehistoric civilization energy. Second, the embryo of prehistoric organisms in extremely cold temperatures. Third, time acceleration. Without that, it simply can't be done. Zuo Lan looked at the boy with wide eyes.

Zhou Kun was stunned for a moment after hearing this. Originally, his idea was that since the dungeon could be rebuilt, why not use a simple system simulation to do a simple civilization evolution? Although they can get resources from it, they can at least understand what they have experienced in the past and how to avoid future risks.

But now that Zuo Lan said it, he realized that his so-called simplicity was really difficult. None of these three requirements can be provided in the current situation.

Zhou Kun smirked a few times and touched his head, "I'm sorry, I didn't know that the simulation would need so many things." But these things are really hard to come by, can there be other alternatives? ”

"I can't." Zuo Lan simply refused. "What were you doing before? How could there be such an idea all of a sudden. "Zuo Lan knows Zhou Kun very well, how could this person who doesn't have too many cells for science suddenly propose to simulate a prehistoric civilization? Definitely met something in the first two days.

Zhou Kun was very embarrassed, if he said that he saw something related to prehistoric civilization in the dungeon, it would definitely involve more. As things stand, the timing is not good. He didn't want to involve more people in an unknown adventure.

"I suddenly thought of it in my dreams at night." Zhou Kun said against his will.

"Huh." Obviously, Zuo Lan didn't believe what Zhou Kun said at all. Fortunately, Zuo Lan did not dwell on this issue, Zhou Kun's idea is indeed a big project for them, but it is not impossible to complete as far as the current situation is concerned.

Zuo Lan secretly calculated in his heart that Zhou Kun should have a way to obtain prehistoric energy, and he had already obtained it once in school before. As for the embryos of extremely cold creatures, it should not be very difficult. However, the problem of time acceleration is more of a headache, and there is not much to do for the time being. However, if you use the theory of three-dimensional and four-dimensional space, you can make some attempts, but it takes a long time, which requires too many calculations. If that's the case, you'll need to buy a new one.

Zhou Kun glanced at Zuo Lan, who was in deep thought, and didn't want to bother anymore, so he had to turn around and leave.

PS, the update is late. Ask for recommendations, ask for collections.