Chapter 286

Xu mang?

He said he was Xu mang?

Professor Leng for a moment, carefully looked at each other, how to say... If not because he reminded Liang Feifan, perhaps directly positioned as not very smart students.

"You..."

"are you Xu mang?" The professor asked in surprise, "Xu Mang, the author of the theory of electron proton coordination?"

"Well!"

"In the next issue of nature, there will be another paper of mine," on the superconductivity of lanthanum hydride ". I have promoted high-temperature superconductivity to another level." "By the way, I have also finished a paper on black holes, which is expected to appear in nature physics."

When the professor heard Xu Mang's words, he was surprised and shocked. At this time, he fully believed that this man was Xu mang. There was nothing wrong with him!

"Xu mang."

"Welcome to Qingda." Knowing that this man was Xu manghou, the professor showed a smile and said, "you should have come to participate in the national undergraduate mathematics competition?"

"No, no, no!"

"I was escorted." Xu mang helplessly said: "escort to the next round."

"..."

the professor couldn't laugh or cry. He was like a demon. He was proficient in mathematics, physics, materials science and computer. Is this the rhythm of planning to go to heaven?

"Xu mang."

"I have a request for your consent." Said the professor.

"Say it." Xu said.

"I hope you can come on stage later." But you can't finish a lot of your ideas about physics professor

"Good!" Xu mang nodded.

At the same time,

at the same time,

some people present noticed the abnormality in the last row,

"??"

“？？？”

“？？？”

What's the situation?

Why did the professor talk to this man for so long, and he seemed to be very happy.

By the way...

who is he?

The coach returned to the podium, because the break was not over, the students had not yet arrived.

Soon,

there is still one minute before class.

The students returned to the classroom one after another, Liang fan was one of them. At this time, he seemed to be a little relieved, and Xu mang still smelled a faint smell of smoke.

"Su * Yan?"

"Eh?"

"You can smell it all?" Liang fan looked at Xu Mang in horror: "brother... Are you a dog nose?"

"Su * Yan has a unique flavor." Xu mang said with a smile: "there is a kind of fragrance. People who are used to it feel very special, but those who are not used to it have no feeling about it. I belong to the latter."

Liang Fan said with a bitter smile: "man, who are you

"Me?"

"A lost schoolboy in the world." Xu mang showed a smile.

"..."

Liang Fanfan felt that he could not keep up with Xu Mang's thinking, which was too fast.

"Cough!"

"You are very lucky today." The professor coughed and said solemnly, "there's someone in our classroom that you don't expect. This person is more powerful in physics than any professor you know, including me."

"..."

"..."

"

"... "

?

Our classroom?

This guy?

All of them were confused, but a few looked at Xu. During the break, they noticed that the professor and the young man were chatting happily.

Combined with the professor's words at this time, it may be this young man.

"Maybe you all know him." "Not long ago, there was his paper" electron proton synergy theory "on the cover of nature

Hiss!

Is it possible that...

the students present were taken aback.

"He's Xu Mang, who has been revived." The professor said, "let's welcome Xu mang to the podium."

Then he saw a stranger sitting in the last row, standing beside Liang fan, and walked over with a smile on his face.

He...

he is Xu mang?!

Liang Feifan looks at Xu Mang's back in horror. He never thought that he should sit with Xu Mang and Xu Da Shen. No wonder he knows everything. His emotion is a real ox man.

At this time,

Xu mang stood in front of the platform, looked at the professor beside him and asked carefully, "what am I talking about?""Whatever you say." "Talk about your views on relativity and quantum mechanics, and by the way, your direction in the future," the professor said

"Ah?"

"So much?" Xu mang shrunk his head, thought for a moment, and said, "let me talk about the conservation of information in black holes recently discovered by me. It just involves quantum mechanics and relativity."

"Yes!" The professor nodded with satisfaction.

After that,

was Xu Mang's personal performance.

"Hello, students!"

"My name is Xu Mang, from Fuda." Xu mang with a smile: "I'm very happy to meet you here. In fact, I'm here with my girlfriend. She's a member and leader of the magic capital team in the university mathematics competition."

"Of course."

"I'm good at math, and I'm not bad this time because I was escorted." Xu mang said with a smile: "don't talk about it. Next, I'll talk about my recent discovery about Hawking radiation."

"This is a kind of black hole thermal radiation inferred from quantum effect theory, which was proposed by physicist Professor Hawking, but there are many problems with this concept, the first is the problem of information conservation."

"The conservation of information is..."

Xu mang started his lecture, from Hawking radiation to information conservation, from entropy law to the relationship between matter and information. He tried to use simple and easy to understand words, introducing the concept that information conservation is the basic law of the universe.

Then,

at the right time, I would like to mention my paper "the conservation of information is the fundamental law of the universe: the mystery of lost information".

The students were stunned. Many contents were beyond the scope they could understand, such as the concept of information entropy.

Information is abstracted for the first time, and has a very complete formula - H (x) = E [I (XI)] = E [log (2, 1p (XI))] = - ∑ P (XI) log (2, P (XI)) (I = 1, 2,... N)

faced with this formula, almost all people choose to quit.

And then there's the entropy theory of the universe.

The explanation given by Xu mang is that entropy is actually a spontaneous development direction of nature, with the development from order to disorder, from low entropy to high entropy, that is, DS = ds2-ds1 is greater than 0.

In physics, it can be simply understood as the magnitude of chaos.

The students were forced to leave again.

At this time,

a naughty student raised his hand and asked Xu Mang, "Xu..."

"call me my name."

"Xu mang." "Now that we talk about black holes, can you tell us what changes people will find if they fall into black holes

Inside the black hole,

this is a very magical and strange existence.

When studying the conservation of information of black holes, Xu mang also studied the problems inside black holes.

"This classmate is a little naughty Xu mang smiles: "this is a big problem for me!"

It seems that even Xu Mang and Xu Da Shen have problems they don't know.

"Fortunately, I took a look at the interior of black holes." Xu mang said with a smile: "I'll talk about it roughly. If I can't understand it, it doesn't matter what I do."

“？？？”

“？？？”

“？？？”

It's all powerful?

It's not a joke, is it?

However,

instead of joking, Xu mang came to the truth directly.

"A black hole has three physical parameters, its mass, angular momentum and electric charge." "The mass determines the size of a black hole. Angular momentum is the physical quantity of any rotating object. If it does not rotate, it is equal to zero. The charge should be understood."

"There are four categories of black holes in terms of rotation and charge." "Every kind of classified black hole has its own internal difference," Xu said

"Because of the time problem, I will talk about Schwarzschild black hole, that is, non charged, non rotating black hole." "This kind of black hole has only one parameter... Mass. Let's throw the students who ask questions to the edge of the black hole and let them approach the black hole," Xu said

"And then we can see that the closer he is to the black hole, the slower it will be, because, according to general relativity, space-time warps and time goes slower." "And this student will become more and more popular, and the time when the frequency of light is distorted will be lower and lower," Xu said

"And then... This classmate comes to the infinite redshift surface, where the frequency of light can't be lowered any more, and then it will be stretched by the tidal force, beyond a certain critical value, it will be torn." Xu mang pauses for a moment: "if very lucky... This classmate was not torn apart, but flew over the red shift surface, there will be two situations."

"From the perspective of quantum mechanics, he will encounter a wall of fire, which will burn to the cinder, but from the perspective of general relativity, the student will go to the singularity of the black hole and be torn apart." Xu said.After a look at his classmates, Xu mang felt that they were listening to the book of heaven, just like his English class in high school.

Xu sighed blankly: "next time don't ask questions randomly. I don't have any pressure to say, but you are easy to be autistic."

"..."

"..."

"..."

"..."

indeed,

the students are autistic.

Originally, I wanted to ask others, but now it seems that even if I asked, I would ask in vain, because I can't understand.

"Cough!"

"It's wonderful." The professor reluctantly went to the side and said to the students, "in fact, theoretical physics is quite simple. Let's see how well Xu mang studies."

Professor!

Too much!

Take Xu mang as an example...

the students are helpless. If they have the strength of Xu Mang, will they still sit here? It's a long time ago, OK.

Soon,

is over.

The students scrambled for a group photo with Xu mang. Finally, under Xu Mang's proposal, a group photo came.

Everyone cherishes this picture very much. It is pointed out that one day Xu mang will win the Nobel Prize in physics. He can go out and brag. He has heard the lectures given by Xu Mang, the Nobel Laureate in physics, and has taken pictures with him.

It's also a capital to boast about.

At this time, in the classroom,

there were only Xu Mang and Professor,

"Xu mang!"

"Can you tell me what you plan to do in the future?" The professor asked curiously, "I think you cover a lot of fields, from astrophysics to condensed matter physics, from materials to computers, which is a bit of a span."

Xu mang said with a smile: "my dream is to find the only truth in the universe and complete the feat that even Einstein did not complete."

...

the next day,

7:30.

Those who firmly believe that the ugly are still sleeping, while the handsome ones have already got up. After a brief wash, Xu mang goes to the mathematics department building of Qingda with his sketch paper and USB flash disk.

Yesterday, he found out the time of Bo class. It was 8:30 in the morning, which was still the same place.

As soon as I entered the classroom, I met an acquaintance.

"Ah?"

"Are you on the wrong shift again today?"

......

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