Lin Xuan thought of the most terrifying result, that is, they had entered the multidimensional space.

In the complex and changeable multidimensional space, human life has been distorted and discrete, and has become a discontinuous state, and every break (the rupture is everywhere, perhaps billions of times, infinitely many times), will cause a change in the direction of progress. In short, life has infinite unknown possibilities, uncontrollable, unpredictable.

In multidimensional space, the well-known time axis and space axis have become meaningless.

"What the hell is that? It's really like a nightmare—" Samantha lamented.

They stand in the middle of the desert, with no direction and no equipment, which is equivalent to a dead end. If this is a nightmare, when they wake up, they can go back to the beautiful real world, but this is not a dream, but a path of no return that they have chosen.

"What should I do?" Samantha asked in a low voice, "Maybe we should go back and find a new direction?" ”

Lin Xuan nodded helplessly: "Maybe, in the face of this kind of desert Dead Sea, no one is sure that they will be alive." ”

Explorers are not death squads, and sometimes they have to move forward in absolute safety, rather than rushing in and falling victim to worthlessness.

During the expedition, decisions must be made at any time, and a qualified leader must be able to see the direction clearly, take responsibility, and remain calm and calm at critical moments to lead the team out of the predicament. In the case of uncertainty, Lin Xuan chose to retreat conservatively and wait for the after-effects.

However, as if to give them a warning, the terrible roar sounded again in the cave behind them. For some reason, Lin Xuan remembered the fanged demon's voice, because the despair and misery contained in the two were exactly the same.

"Let's go." Samantha stood up.

Lin Xuan followed and got up, but the sound of the ghost crying wolf howl came again, making him uncomfortable.

"What are you thinking? Why are you restless? Samantha asked.

Lin Xuan nodded: "I thought of the Fanged Demon from Hokkaido, Japan. ”

Lin Xuan looked into the distance again, and suddenly found that the sand dunes in the distance were slowly rising. In an instant, he understood that it was not the sand dunes that were rising, but that the earth was tilting, and the only reason for this was that the space connected by the iron bridge below the entrance of the cave had begun to rotate again.

"The spin is on again, let's go back!" Samantha exclaimed, and then pulled Lin Xuan back and entered the cave.

Soon, the desert was tilting at an angle of more than 45 degrees, and quicksand fell, passed by their feet, and poured into the hole. It is conceivable that if the desert is tilted at a right angle, the sand will rush down until it is submerged.

Historically, there have been examples of desert tornadoes carrying yellow sand to bury cities, such as the legendary ancient city of Loulan, which was submerged by the wind and sand, becoming a catastrophe in the history of civilization in northwest China.

This time, Lin Xuan was going to watch the catastrophe of Loulan play out again.

In the theory of multidimensional space, "dimension" is regarded as a measure. On the three-dimensional spatial coordinates, plus the interconnection of time, time and space, it constitutes a four-dimensional space. Now, the deepest theory of scientists holds that the entire universe is eleven-dimensional, which is the limit of dimensions and the limit of human imagination. However, with the current intelligence and the ability to see, see, and think, human beings can only understand the steps of three dimensions.

Lin Xuan and Samantha's IQs are much higher than ordinary people, but they can only accept the theory of "three-dimensional, four-dimensional", and if they are higher, their brain power will be stretched.

"We're going to die here!" Samantha cried out.

In the case of the inundation of the sand sea, they are in a dilemma, and their lives are in danger.

"Don't be afraid, hold on." Lin Xuan reminded loudly.

When the sea of sand and the cave tilted further, Lin Xuan and Samantha slowly slipped down to the entrance of the cave, and took another step back, about to return to the closed iron bridge space.

"Hold on, don't fall." Lin Xuan grabbed the edge of the cave first, and leaned out half of his body to see the situation below.

The quicksand has formed a golden waterfall at the entrance of the cave, and it has been pouring into the cave without stopping. If you compare the volume of the sand sea with the underground space, maybe in the end the sand sea will fill the space and turn it into a giant sand ball.

Lin Xuan couldn't help but smile bitterly: "What will become of the earth's axis after it is filled with yellow sand?" Can you still rotate freely? ”

There was no way for him to stop this qiē in front of him, because the power of human beings was so insignificant in the advance and retreat of nature.

As Lin Xuan expected, soon the deflection angle of the sea of sand was close to 90 degrees, and the yellow sand was no longer "flowing", but pouring down, pouring into it through this small cave.

The yellow sand in the sea of sand is endless, but it would take hours to fill the belly space with a small guò.

"If it's filled...... What will happen to us? Samantha looked down in thought.

"Then we will have no way out, we can only cross the great desert." Lin Xuan replied simply.

"Okay, no matter where you go, where you are, I'll be there." Samantha said firmly.

Lin Xuan calmed down and considered the dimension problem in physics.

Scientists divide the dimension into two parts: the familiar dimension and the theoretical dimension, the first part includes zero to four dimensions, and the second part includes five to eleven dimensions.

In the familiar dimension, the zero dimension has no length, width and height, but is just a simple point; One-dimensional space has only length; A two-dimensional space is a flat world, with only length and width.

Three-dimensional space is a three-dimensional world of length, width, and height, which human beings can see and feel with the naked eye. In three-dimensional space, the position of the point is determined by three coordinates, and the real space that objectively exists is three-dimensional space, with three measures of length, width and height. The concept of multi-dimensional space introduced in mathematics, physics and other disciplines is a scientific abstract induction made on the basis of three-dimensional space.

As for the four-dimensional space, it is a concept of time and space. Most of the "four-dimensional spaces" mentioned in daily life refer to Albert? The concept of "four-dimensional space-time" mentioned by Albert Einstein in his "General Theory of Relativity" and "Special Theory of Relativity". The universe is composed of time and space, and the relationship between time and space is that an imaginary value axis is added to the structure of space compared with the three axes of length, width and height of ordinary three-dimensional space. According to Albert? Einstein's theory of relativity said that the three-dimensional space and time that we face in our lives constitute the so-called four-dimensional space.

The period from the beginning of the Big Bang to a possible outcome is called four-dimensional, and there are infinite trends at any point in this four-dimensional timeline. In this way, an infinite number of timelines are divided from a certain point in the fourth dimension, forming a five-dimensional space.

Two timelines in a five-dimensional space cannot be reached directly in a two-dimensional space (such as two diagonal points on a newspaper), but a newspaper can be directly reached by folding the newspaper in half. In the six-dimensional space, just as the two-dimensional space is bent, the five-dimensional space can also be bent, resulting in the six-dimensional space, where you can directly reach any point on the five-dimensional timeline.

The seven-dimensional space includes all spatial dimensions from the beginning of the Big Bang to the end of the universe, all possibilities in all temporal dimensions, and the possibility of direct access at any two points. The five-dimensional space is the infinite development trend generated by a certain point, and the seven-dimensional space is the infinite timeline generated by all points, that is, at infinite points......

Lin Xuan was familiar with these physical theories, but at the moment, he was in the game, as if he was entangled in countless chaos, and he couldn't break free at all.

"What are the consequences of straying into a multidimensional space? Do life and death still make sense in a multidimensional space? Is life in one dimension precisely death in another? After passing through all these dimensions, where can we humans go? He couldn't stop himself from thinking about it, but the thoughts were completely meaningless.

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