Chapter 285: Don't ask blindly, it's easy to shut down

　　 Xu Mang?
　　 He said he was Xu Mang?
　　Professor was taken aback for a moment, and he looked at the other person carefully, how should I put it... If it weren't for him to remind Liang Feihua, maybe he would be positioned as a not very smart student.
"you..."
　　 "Are you Xu Mang?" The professor asked in surprise, "Xu Mang, the author of the "Electron-Proton Synergy Theory"?"
"Ok!"
"The next issue of "Nature" will have another paper of mine "On the possibility of superconductivity of lanthanum hydride". I have raised high-temperature superconductivity to another level." Xu Mang smiled and said: "Right...I still Completed a paper on black holes, which is expected to appear in "NaturePhysics"."
When Professor 　　 heard Xu Mang’s words, his original expression of surprise was a little shocked. At this time, he fully believed that this man was Xu Mang, and he was absolutely correct!
　　 "Xu Mang."
　　 "Welcome to National Tsing Hua University as a guest." After the professor knew that this person was Xu Mang, he smiled and said, "You should be here to participate in the National College Student Mathematics Competition, right?"
　　 "No, no, no!"
　　 "I was escorted." Xu Mang said helplessly: "Provided to the next round."
　　"..."
　　Professor is a little bit dumbfounded. This person is like a monster, proficient in mathematics, physics, materials science, computer... Is this the rhythm of going to heaven?
　　 "Xu Mang."
　　 "I have a request, I hope you agree to it," the professor said.
　　 "You speak." Xu Mang said.
　　 "I hope you can be on stage later." The professor said: "Talk about your views on theoretical physics. I know that you are also a freshman, but you have done many things that professors can't."
　　 "Good!" Xu Mang nodded.
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 person for so long, and they seemed to be very happy.
correct...
　　Who is he?
　　 The coach returned to the podium. Since the break time has not yet ended, the students have not yet arrived.
　　 soon,
　　 There is still the last minute to class.
　　 The students returned to the classroom one after another. Liang Feifei was one of them. At this time, he seemed a little relieved, and Xu Mang still smelled a faint smoke.
　　 "Suyan?"
"Uh?"
　　 "You can smell this?" Liang Feihua looked at Xu Mang with horror: "Man...Are you a dog nose?"
"Suyan has a unique smell." Xu Mang said with a smile: "There is a fragrance that people who are accustomed to find it very characteristic, but people who are not accustomed to it have no feelings about it. I belong to the latter. "
　　 Liang Xianfei smiled bitterly: "Man...Who are you?"
"I?"
　　 "A lost book boy in this world." Xu Mang showed a slight smile.
　　"..."
　　 Liang Feihua felt that he could not keep up with Xu Mang's thinking, this speed...too fast.
　　 "Ahem!"
"You are very lucky today." The professor coughed slightly and said solemnly: "An unexpected person came to our classroom. This person is better than the professors you know in the field of physics, including me. "
　　"..."
　　"..."
　　"..."
what?
　　Our classroom?
　　 this number?
　　 Everyone looked confused, but a few people looked at Xu Mang. During the break, they noticed that the professor and the young man were chatting happily.
　　 With the words of the professor at this time, it may be this young man.
　　 "Maybe you all know him." The professor said: "Not long ago, the cover of "Nature" included his paper "Theory of Electron-Proton Synergy".
　　 hiss!
　　 Is it impossible...
　　The students present were surprised.
　　 "He is Xu Mang of Fuda." The professor said: "Applause, please ask Xu Mang to come to the podium."
　　The words fall,
　　 There was applause everywhere,
　　 Then he saw the stranger next to Liang Feixian sitting in the last row standing up and walking over with a grin.
　　He...
　　 Is he Xu Mang? !
　　 Liang Xianfan looked at Xu Mang’s back in horror. He never thought that he would be sitting with Xu Mang Xu Dashen. No wonder he knew everything, and his feelings were truly awesome.
at this time,
　　 Xu Mang stood in front of the podium, glanced at the professor beside him, and asked cautiously: "What am I talking about?"
　　 "Whatever you want." The professor said: "Tell me your views on relativity and quantum mechanics, and by the way, let's talk about your future direction."
"what?"
　　 "So many?" Xu Mang shrank his head, thought for a moment, and said: "Let me talk about the black hole information conservation problem that I discovered recently, which happens to involve quantum mechanics and the theory of relativity."
　　 "Yes!" The professor nodded in satisfaction.
after that,
　　 is Xu Mang’s solo performance.
"Hello students!"
"My name is Xu Mang and I come from Fu University." Xu Mang said with a smile on his face: "It's a pleasure to meet you all here, in fact...I came with my girlfriend, she is the representative of the magic city of college students' math competition. Team member and captain."
"of course."
"My mathematical ability is not bad. The reason why I am not here this time is because I was recommended." Xu Mang smiled and said, "Let's talk about it. Next, I will talk about my recent discoveries about Hawking radiation. The problem."
　　 "This is a kind of black hole thermal radiation inferred by quantum effect theory, proposed by the physicist Professor Hawking, but this concept has many problems, first of all, the problem of conservation of information."
　　 "The conservation of information is..."
　　 Xu Mang started a lecture, from Hawking radiation to the conservation of information, from the law of entropy to the relationship between matter and information, using simple and easy-to-understand terms as much as possible, introducing the concept that the conservation of information is the basic law of the universe.
　　 Then,
　　 At the right time, I would like to mention my paper "Conservation of Information is the Basic Law of the Universe: The Mystery of Lost Information".
　　 The students present were stunned, and many of the contents were completely beyond the category they could understand, such as the concept of information entropy.
The information is abstracted and described for the first time, and has a very complete formulaH(x)=E[I(xi)]=E[log(2,1/P(xi))]=-∑ P(xi)log(2, P(xi))(i=1, 2, ..n)
　　 Facing this formula,
　　 Almost everyone chose to retire.
After 　　 is the theory of cosmic entropy.
　　 The explanation given by Xu Mang is that entropy is actually a spontaneous development direction in nature, its orderly to disorderly development, the development of low entropy value to high entropy value, that is, dS=dS2-dS1 is greater than 0.
　　 can be simply understood as a measure of the degree of confusion in physics.
　　 The students are stunned again...retire again.
at this time,
　　 A naughty classmate raised his hand and asked Xu Mang: "Xu..."
　　 "Call me by name."
　　 "Xu Mang." The classmate said, "Since we talked about black holes, can you tell us what kind of changes will happen if people fall into a black hole?"
　　 Inside the black hole,
　　 This is a very magical and weird existence.
　　 When Xu Mang studied the conservation of black hole information, he also studied the internal problems of black holes incidentally.
　　 "This classmate is a bit naughty!" Xu Mang smiled, "This is a big problem for me!"
　　The words fall,
　　 The students smiled knowingly. It seems that even Xu Mang Xu has problems that he doesn't know.
　　 "Fortunately, I studied the internal problems of the black hole by the way before." Xu Mang said with a smile: "I'll just say it roughly. If I understand or not, it doesn't matter what I do."
　　 "???"
　　 "???"
　　 "???"
　　 really almighty?
　　This...Is this kidding?
　　 However,
　　 Xu Mang did not make a joke, but came straight to the truth.
　　 "Black holes have three physical parameters, their mass, angular momentum, and charge." Xu Mang said: "Mass determines the size of the black hole. Angular momentum is the physical quantity of any rotating object. If it doesn't rotate, it is equal to zero. You should understand the charge?"
　　 "There are four categories of black holes based on rotation and charging." Xu Mang said: "Each category of black hole has a different interior."
"Due to time issues, I will talk about the Schwarzschild black hole, that is, a black hole that is not charged and does not rotate." Xu Mang said: "This kind of black hole has only one parameter...mass. Next, let's throw the questioner to the edge of the black hole. He is close to the black hole."
"Then we can see that the closer he gets to the black hole, the slower its speed. According to general relativity, this is because time and space are distorted and the passage of time slows down." Xu Mang continued, "And this classmate will become more and more popular. The time the frequency of light is distorted decreases."
"Then...this student has reached the infinite redshift surface, where the frequency of the light can no longer be reduced, and then he will be stretched by the tidal force. If it exceeds a certain critical value, it will be shattered." Xu Mang paused: "If you are lucky... this classmate has not been torn apart, but flew over the redshift surface, there will be two situations."
　　 "From the perspective of quantum mechanics, he will encounter a wall of fire that will be burned to the point where there is no slag, but starting from general relativity, this student will go to the singularity of the black hole and be torn apart." Xu Mang said.
　　The words fall,
　　 Xu Mang glanced at his classmates, and felt that at this moment, they were just like their high school English class, listening to the bible.
　　 Xu Mang sighed, "Don't ask random questions next time, I don't have much pressure to speak of, but you are prone to autism."
　　"..."
　　"..."
　　"..."
indeed,
　　 The students have closed themselves.
　　 I wanted to ask others, but now it seems that even if I ask, I can't ask for nothing, because I don't understand.
　　 "Ahem!"
　　 "It's wonderful." The professor walked to the side helplessly and said to the students: "In fact, theoretical physics is quite simple, let's see how well Xu Mang learns."
　　Professor!
　　 is too much!
　　 Take Xu Mang as an example...
　　 The classmates looked helpless, if they have the strength of Xu Mang, still sitting here? Going to heaven long ago, OK?
　　 soon,
get out of class has ended.
　　 The students rushed to take photos with Xu Mang, and finally, at Xu Mang’s proposal, they came to a photo.
Everyone cherishes this photo very much, maybe one day Xu Mang will receive the Nobel Prize in Physics~EbookFREE.me~ then you can go out and brag, I have heard the Nobel Prize in physics Xu Mang’s class, Also had a photo with him.
　　 This is also a capital to brag about.
　　 In the classroom at this time,
　　 Only Xu Mang and the professor are left,
　　 "Xu Mang!"
"Can you tell me what you plan to study in the future?" The professor asked curiously, "I think you are involved in many fields, from astrophysics to condensed matter physics, from materials learning to computers. This...the span is a bit large. ."
　　 Xu Mang smiled and said: "My dream is to find the only truth in the universe and accomplish a feat that even Einstein could not accomplish."
　　...
　　 The next day,
seven thirty.
　　 I firmly believe that the ugly people are still sleeping, and the handsome people have already gotten up in principle. They simply wash up, and then take the draft paper and U disk, Xu Mang heads to the mathematics building of the National Tsing Hua University.
　　 Yesterday, he inquired about the class time of the Ph.D. It was the same place at 8:30 in the morning.
　　 As soon as he walked into the classroom, he met an acquaintance.
"Ugh?"
　　 "Did you go to the wrong shift again today?"
　　......
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