Chapter 1407 Fragments of Four-Dimensional Space

As a three-dimensional creature, it is almost impossible to cross the barrier of the high-dimensional world.

Just as two-dimensional creatures cannot perceive the existence of the three-dimensional world, without the help of scientific theories or special technical means, what they can observe is only the projection of three-dimensional objects on paper with the help of desk lamps or other light sources. Or when the two are in tangential contact, a series of "singular properties" are produced on that contact surface, or physical laws that are incomprehensible to two-dimensional creatures.

And all of this is just the result of "intervention".

Even if they are aware of their existence, it is almost impossible to reverse the interference caused by high-dimensional space to low-dimensional space from the standpoint of low-dimensional creatures.

From this point alone, the fragments of this four-dimensional space are somewhat similar to the existence of Z particles.

It's just that its existence is more complicated.

It is not some kind of matter that exists in four-dimensional space, but precisely space itself.

Therefore, it is theoretically impossible to cross this barrier.

It is impossible for any physical attack to have any effect on it. Even if a nuclear bomb with a megaton equivalent is brought over to raze this ruins to the ground, it will not shake it at all.

However, this does not mean that Lu Zhou has nothing to do.

The internal space of the entire ruins is divided into countless small pieces by the fragments of the four-dimensional space, and all the passages here are continuous and unchanged in the sense of topology. As for the change in position, it is only the distortion caused by the interference of the four-dimensional space debris on the three-dimensional space, making these tunnels mixed together like a disrupted puzzle.

And the reason why he couldn't cross the barrier in front of him was simply because the "door" wasn't here. The inaccessible space in front of him was like a piece of a jigsaw puzzle, which was forcibly removed from the complete pattern and thrown in an inconspicuous corner.

All he had to do now was find the missing piece among the thousands of puzzle pieces.

And, where it originally belonged.

If Xiao Ai was here, it would save him a lot of time, but this is the underground of Mars, and the only thing he can rely on is himself.

Fortunately, for LV10 math level, this is not difficult.

Half an hour passed.

Finally found the missing puzzle piece, eyes fixed on Lu Zhou who was staring at the screen, and finally a smile appeared on his face.

"...I didn't expect the answer to be so close at hand."

With his right hand lightly tapped on the wrist-mounted computer on his left arm, Lu Zhou reopened the communication module.

"See you later."

After throwing down these words, he turned around and left the spacious grotto, exited the five-person-high arch, and returned to the place where he came here in the first place.

Without any hesitation, Lu Zhou, who already had the answer in his heart, walked through the gray dust in the opposite direction at a leisurely pace.

Soon, he came to a bottomless cliff, and stopped on the edge of the cliff.

If his deduction is correct, this should be the place where the piece of the puzzle was cut out. The inaccessible space he saw in the grotto originally belonged to this place.

And if you want to enter there, you can only go through this "door"!

It seemed that he had been watching his every move, and the voice that had disappeared for a long time reappeared, speaking leisurely in his ear.

"Are you ready?"

Lu Zhou, who was about to take a step forward, stopped.

"What's the meaning?"

"I mean, if it's too late to go back now."

Hearing this sentence, Lu Zhou suddenly laughed and said in a joking tone.

"Are you willing to let me go back like this?"

"It's nothing to be reluctant about. For me, it's just waiting for a while. Those observers can't let me idle, and they will always send suitable individuals to me."

Lu Zhou: "Since it doesn't matter, why should you persuade me?"

"Because this road is not easy, whether it is for you or me. I just provide you with another choice. After you go back, you can live a happy and stable life without the cost. You pay, and you don't even get a chance to see that far away."

There was a hint of bewitching tone in that voice.

Lu Zhou admitted that this sounds really tempting.

He has already stood at the top of the academic world, and the pinnacle of power that a scholar can reach is nothing more than this. In the next few decades, even if he doesn't do anything, he will be able to spend the rest of his life happily. There is no need for him to take such a big risk.

However……

"You are right, but since we have come to this point," Lu Zhou continued after thinking about it, "If we just go back like this, we will regret it."

"Too much curiosity is not a good thing."

Lu Zhou smiled and said, "Really? I believe now that you and those observers are not in the same group."

"Oh why."

Lu Zhou: "Because I still remember that person said that curiosity is an enviable quality, and that quality has been abandoned by them for a long time."

"Hahaha, that's up to you. But you have to think clearly, once you make a choice, you can't go back."

"About this, I thought about it before coming here."

After saying this in a calm tone, Lu Zhou closed his eyes and pondered for a long time, then silently took off the wrist-mounted computer on his left arm, and threw it on the open space behind him.

Then, he took a deep breath, took out all the courage in his body, and jumped towards the abyss that seemed to be able to swallow all light, and let the gravity pull it towards the boundless darkness.

The free fall lasted three or four seconds.

Immediately afterwards, a miraculous scene happened!

At the moment when he was engulfed by the boundless darkness, the feeling of dizziness crawled through every cell in his body.

As if the direction of gravity was reversed in an instant, a huge inertia grabbed his shoulder, and then slammed it hard on the solid ground.

"ah……"

Tears of pain were almost squeezed out. It felt like Lu Zhou had been hit by a truck in his chest. He gasped for breath and struggled to get up from the ground.

The moment he raised his head, there was a trace of ecstasy written in his eyes.

The space in front of him at this moment is the grotto that he left earlier, and his position at this moment is the area that he could not pass through before—that is, the other side of the "wall".

Restraining the excitement in his heart, Lu Zhou took a deep breath to calm himself down.

"Have I passed all the tests?"

"That's right."

"What do you mean?"

This time, the voice gave no answer.

Just when Lu Zhou was confused about what to do next, the surrounding space suddenly lit up with a soft light. A flawless and transparent crystal like soap bubbles appeared in front of him as if it had appeared out of thin air.

If you look carefully, there are tiny lines printed on the clear and transparent film. Those lines are like the projections of the ruins, corresponding to each tunnel in the ruins.

A little curious about this miraculous phenomenon, Lu Zhou was about to reach out to touch it, but was stopped by a voice next to his ear.

"Don't touch it with your hands!"

The hand outstretched in mid-air stopped, Lu Zhou took it back, stared at the flawless and transparent spherical crystal for a long time, and then said.

"Don't touch it means... I should touch it with something else?"

"This is the fragment of the four-dimensional space, and all the changes in the ruins are caused by it."

The moment he heard these words, Lu Zhou couldn't help being surprised.

"How did you fold the four-dimensional space into such... perfect state?"

"This is not our technology," the voice said lightly, "folding fragments of four-dimensional space into a three-dimensional sphere, this kind of thing is probably only those observers can do."

Lu Zhou: "This is what Void intends to give me? A fragment of four-dimensional space?"

"No, it's just a key."

"key?"

"That's right, it can send you to the treasure."

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