Lu Tianxing told Meng Chao that the human brain had around one hundred billion nerve cells. If they were lined up in a straight line, their length would be more than one thousand kilometers.
It might seem shocking, but nerve cells were highly differentiated cells, and they could not be regenerated.
Even if superhumans had great abilities, at most, they could only use spirit energy to stimulate and repair some of their nerve cells.
Once a nerve cell died, even a superhuman would not be able to regenerate it.
But superhumans had a high chance of running into situations where a large number of their nerve cells died. For example, they activated their magnetic fields and drained their lives, which made their brains overload and squeeze out their maximum calculation and deduction abilities.
Or, they might run into mind attacks from abnormal beasts during the battle in Noble Descent Hotel.
Once a large number of their nerve cells died, in light cases, their fighting strength, research abilities, and cultivation potential would be damaged.
In heavy cases, their minds would be twisted, and they would enter spirit energy deviation. They would end up as lost people or even monsters in human skin.
Because of this, Meng Chao had to think of a way to refine and operate his brain without harming his brain cells and nerves.
His Celestial Soul Visualization was one of the strongest brain refinement methods in Dragon City.
The general principle behind it was to visualize and scan the spirit energy magnetic field structure in his brain as well as the electrical circuits in his brain. From there, he could find the most crucial thinking nodes of his neurons.
Then, he would use spirit energy to simulate the electrical circuits in his brain and build a brand new thinking circuit made purely of spirit energy on his cerebral cortex.
It was the same as building a brand new virtual thinking and calculation system on top of his carbon-based brain.
Once the virtual brain was formed, many of the problems that required a lot of calculation, such as calculating the trajectory of firearms, deducing more than one hundred attack patterns from monsters, and so on, could be carried out in the virtual brain.
Since it was made of pure spirit energy, no matter how much calculation was required and how complicated it was, it would not harm the real brain nerves and brain cells. Even if the virtual brain collapsed due to the overload, at most, it would just use up some spirit energy. As long as he entered a deep meditative state, in a few days, he could rebuild the virtual brain.
Once he reached Lu Tianxing's level, he could do two things at once. He could operate his carbon-based brain and virtual brain at the same time. In fact, he could even carry and operate a few virtual brains at the same time.
During a fierce battle, the virtual brain could also form the sturdiest barrier aside from the carbon-based brain.
Unless he was caught off guard and ran into Apocalyptic Beasts that were skilled in mind attacks, such as the Demonic Abyss Eye, he would not be able to do anything.
Ordinary Nightmarish Beasts like the Air Ripping Demon Eye could not affect Lu Tianxing's mind at all.
As long as the energy consumption and heat dissipation of the brain were solved, Celestial Soul Visualization would not have too many side effects.
He believed that it would help Meng Chao take another step forward on his path as a superhuman. One of these days, he would reach the legendary God Domain.
"I've studied the Ultimate Style in Agricultural University's martial arts course before, and I know that you've already cleared more than one hundred branch meridians around your brain. I believe that you won't face too much of a problem in practicing Celestial Soul Visualization."
Lu Tianxing said, "The first step is to imagine that the one hundred billion nerve cells in your brain are one hundred billion shining stars. Your brain is a unique small universe that is comparable to the sea of stars …"
Meng Chao was deeply attracted by Lu Tianxing's words.
"Star Soul Visualization" was a peerless divine ability that he, as a "third-rate expert" in his previous life, couldn't even come into contact with.
Before he knew it, the neurons in his brain were echoing the virtual stars that Lu Tianxing had constructed from a distance away. Gradually, they shone with brilliant brilliance and began to revolve slowly like a brilliant sea of stars.
Meng Chao was completely immersed in the vastness, majesty, and profundity of the sea of stars.
Time and space seemed to have lost their meaning.
The two souls that had traveled through time and space and the Kindling in the depths of their souls gradually fused together.
An unknown amount of time passed.
Meng Chao opened his eyes slowly and noticed that he was still sitting on the couch in a corner of the ward.
He sucked in a deep breath and cast a glance at Zhao Feixuan, who was sitting on the couch beside him. Zhao Feixuan shuddered, and he said in disbelief, "Meng Chao, what's going on? Why do I feel like you've only sat down for three seconds and haven't even greeted Professor Lu, but your presence has changed drastically, especially your eyes …"
Meng Chao smiled faintly and said sincerely to the old senior on the bed, "Thank you for teaching me, Professor Lu."
"It's what I should do. Aside from Celestial Soul Visualization, I don't know how else I should thank you," Lu Tianxing said faintly.
Lu Tianxing said faintly. "My life and death are nothing, but Project 101 has just reached its most critical stage, and most of the members of the project team were gathered in Noble Descent Hotel. That night was really dangerous. If the entire project team died, our hopes of returning to Earth would be completely destroyed. If that happened, Dragon City's future would be very bleak."
Since Professor Lu took the initiative to talk about transmigration …
Meng Chao could not suppress his burning curiosity either.
There were two questions that concerned him the most.
First, could Dragon City really transmigrate back to Earth? Or rather, could the dimensional tunnel between the Other World and Earth really be opened?
Secondly, what was the so-called "rebirth" all about?
He knew that the area under the Supernatural Tower was the territory of the ruins research center. Plenty of highly confidential, top-notch projects were carried out there.
Quite a number of Deity Realm experts did not often participate in monster hunting operations because they poured all their energy and even their lives into researching the ancient ruins.
Based on what they said, killing monsters was to protect Dragon City's present, and researching the ancient ruins was to build Dragon City's future. If they could completely understand the secrets of the ancient ruins, forget about Monster Mountain Range, they could even get the entire Other World.
Even though Dragon Citizens had used decades to understand the secrets of the ancient ruins, Meng Chao remembered that when the apocalypse arrived in his previous life, a strange flame from the ancient ruins had indeed sent his soul back to the "present".
But Meng Chao remembered that when the apocalypse arrived in his previous life, a strange flame from the ancient ruins in the depths of the Supernatural Tower had sent his soul back to the "present".
And on the noon of the day he returned to the past …
An unprecedented explosion happened in one of the labs in the depths of the Supernatural Tower.
Could it be that rebirth was the same as transmigration and could be verified, repeated, and controlled?
If that was the case, what did it mean for human civilization?
Lu Tianxing might be a transmigration expert and not a rebirth expert, but if Meng Chao beat around the bush, he might be able to get some useful information from him.
"Professor Lu, you said that Project 101 has progressed to its most critical stage. Could it be that we'll be able to return to Earth soon?"
Meng Chao asked excitedly.
If that was really the case, the future would be completely changed.
By the side, Zhao Feixuan's breathing also became heavy.
The Dragon Citizens had been wandering outside for half a century, and they were like wanderers who were thousands of miles away from their homes. All of them longed to see the blue planet with their own eyes.
When he faced their expectant gazes, Lu Tianxing thought about it for a while before he said, "There is indeed hope for us to achieve a breakthrough in the development of controllable transmigration, but if we really want to return to Earth, we still have a lot of preparatory work to do."
Meng Chao and Zhao Feixuan looked at each other. They did not understand what Lu Tianxing meant.
"The simplest logic is that we all know that Earth is a world without spirit energy. It relies heavily on machines, chips, chemical energy, and atomic energy to build and protect its civilization. But the spirit energy in the Other World is too thick, and it's really unstable. Overly complicated and sophisticated machines are easily damaged here. This means that compared to superhumans who have already gotten used to the environment in the Other World, Earthlings might not have strong fighting strength," Lu Tianxing explained.
"Right now, we still don't have a complete picture of the Other World. We don't know whether there are existences even more terrifying than monsters in the depths of the Other World, and we don't know where the ancient civilization who left behind the ancient ruins and brought us here went. In fact, we don't even know what sort of effect it will have on the basic laws and laws of physics of the two worlds once we open the tunnel between the Other World and Earth.
"If we open the tunnel recklessly without knowing anything, we might cause the viruses, spores, monsters, and even deities in the Other World to escape to Earth.
"If it's a zombie virus that can only be spread through saliva and blood like in movies, our compatriots on Earth will definitely be able to handle it.
"But the new zombie virus can be spread through droplets, mosquitoes, and dozens of other methods. We're relying on the upgraded immune system that Dragon Citizens have developed over the past half a century to fight against it. But our Earthlings' immune systems haven't been 'upgraded'. At the moment the tunnel is opened, tens of millions of our Earthlings will be infected. It's not impossible for such a nightmare to happen.
"Besides, there's also the Blood Flowers, which are terrifying creatures that can spread to the entire Earth through pests. Once they go completely out of control on Earth, the consequences will be dire. There's a high possibility that we'll end up as sinners who will destroy Earth's civilization!"
Lu Tianxing's words caused Meng Chao and Zhao Feixuan to shudder.
It was especially so for Meng Chao. He had personally seen how terrifying the deities in the Other World were, and he broke out in cold sweat.
Indeed, they could not just think about Dragon City and ignore all of Earth.
Based on the apocalyptic nightmare, it was equivalent to a full-scale nuclear war on Earth. Even if they gathered all of Earth's strength together, they might not be able to win against the deities in the Other World.
The tunnel between the two worlds could not be opened casually.
"Professor Lu, if that's the case, before we figure out the truth about the Other World, we won't be able to return to Earth in the foreseeable future. Then, won't we be pouring so many resources into developing transmigration technology … be unable to put out a nearby fire?" Meng Chao asked in delight and disappointment.
"That's a simple question."
Lu Tianxing smiled faintly and said calmly, "The full name of Project 101 is the Controllable Transmigration Technology Development Project, not the Returning to Earth Project. Let your imagination run wild. As long as we develop the relevant technology, who says that we can only transmigrate to Earth?"
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