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And when Lu Zhiyao heard what the astronaut said, she was convinced that it was not a hallucination.

"We suddenly received an electromagnetic wave frequency band, which is different from the electromagnetic waves previously emitted inside the moon." We don't know why this electromagnetic wave suddenly appeared, and we are conducting a detailed evaluation of this electromagnetic wave..."

Lu Zhiyao didn't hide this secret anymore, so she explained it to everyone.

"This is Xu You's brain wave, and it is used to convey the meaning: 'Well, don't read it'."

Hearing Lu Zhiyao's words, everyone looked puzzled.

Xu You's brain waves suddenly appeared here, which sounded like an impossible thing to happen.

Originally, brain waves are very weak electromagnetic waves. Only by placing the detection instrument close to the human scalp can it be possible to detect the existence of brain waves.

Due to the sudden closure of the black hole, it is impossible to detect any electromagnetic waves inside the moon outside the hole, so how could Xu You's brain waves be detected suddenly?

However, after some analysis, the astronauts found that Lu Zhiyao's words were not made out of nothing, but were indeed based.

"According to the characteristics of this electromagnetic wave, it is indeed very similar to human brain waves... and its vibration waveform diagram also has some rules."

"Yes, like this section of brain wave band, it means '0', and this section of brain wave band, it means '1'. Combining these '0' and '1' will show various Such information..."

Lu Zhiyao explained the meaning of the information to everyone, and everyone was amazed after listening.

"I didn't expect that Academician Xu would establish such a method of information transmission. It's incredible!"

This way of information transmission is very similar to binary information in computers, which made them feel unexpected.

However, they soon thought of some unexplainable things.

"Since the strength of the brain waves is so weak, how did Academician Xu transmit the brain waves to the surface? There are many obstacles in between."

Lu Zhiyao shook her head when she heard the words, but Lu Zhiyao didn't know the reason.

But no matter what, everyone was relieved to get the news that Xu You was still safe.

"Mr. Lu, besides the news that Academician Xu is still safe, did he send us any other information?"

"No, just repeating this sentence. Let's keep an eye on the electromagnetic waves we receive, maybe he will send us another message in a while."

…………

Xu You fiddled with the machine in front of him for a while, and finally succeeded in achieving his goal.

"I didn't expect that the skills of the wireless brain machine can still be used at this time. It seems that there is still no essential difference between the machine here and the Blue Star machine from a fundamental logic."

Due to some language barriers and unfamiliarity with the operation of this machine, Xu You did not directly grasp the operation method of this machine.

But after Xu You had an idea, he thought of trying to connect with this machine through the ability of the system.

The final result is that Xu You successfully formed a wireless brain-computer channel with this machine, and after amplifying his own brain waves, he successfully sent them in the direction of the black hole.

Xu You was not 100% sure whether electromagnetic waves of this intensity could break through numerous barriers and be successfully received by Lu Zhiyao and other astronauts above, but this was already Xu You's greatest effort after trying his best. tried.

"According to my calculations, electromagnetic waves of this intensity should be able to be received on the moon. At least at this time, Yaoyao should not worry about me anymore."

It's a pity that Xu You couldn't get any response from the moon, so he had no way of knowing whether they really received his signal.

Originally, Xu You wanted to pass on some more information, telling them that he had discovered many secrets inside the moon, but because the amount of information was too large, it would take too much time and energy to pass it on.

Rather than working hard to convey so much content, it is better to figure out how to get out, and it will not be too late to tell everyone about these things slowly after returning to the surface of the moon.

After thinking calmly, Xu You determined a core idea.

"Wait to find out why these underground agencies work. Why can these switches be activated automatically when I go down? Is it really just because of the brain power test? Wait a minute, is it possible..."

Recalling when he developed the brain tester, Xu You remembered something again.

In fact, in addition to simply testing the mental value, another function of the brain tester is to identify the identity of the tester through the characteristics of the brain wave.

However, for this function, Xu You has always naturally chosen to ignore it, because the identity of the tester is very clear before the test.

But in the instrument placed underground on the moon, this instrument can indeed determine the identity of the entrant through the search of brain waves.

In other words, if the requirement to unlock the hidden passage is not the brain power, but the identity of the entrant, all this makes sense.

What Xu You didn't know was that long after he entered the inner channel, his brain waves had been forming a connection with this device and interacting with energy.

Especially during the wireless brain-computer connection between Xu You and the machine just now, due to the establishment of the transmission channel, the effect of this energy interaction has become more intense.

It wasn't until the degree of energy transmission approached a certain threshold that Xu You finally became vigilant.

"My brain... seems to be exploding!" Xu You said in pain.

This feeling is very similar to the side effects that Xu You had when his brain was overloaded.

However, Xu You didn't engage in too high-intensity mental activities just now, so he doesn't know why such symptoms appeared.

But when Xu You felt this feeling, it was already too late.

This is like a frog being boiled in warm water. When it feels the high temperature of the water, the body has no strength to resist.

"This is... the information of tens of thousands of years?"

What poured into Xu You's brain was not only a large amount of energy, but also a large amount of memory fragments.

"It turned out to be like this!"

In just a moment, Xu You understood the whole story and solved all the doubts in his heart.

But it was also because of the strong impact that Xu You's brain couldn't bear it at all, and he fell directly to the ground and fainted.