Xie Qifen led Li Zheng out of school, found a familiar Sichuan-style snack restaurant, ordered a few plates of spicy dishes, and then blew the wine bottle and chatted.

As soon as he dipped in wine, he was more chatty than usual, and the topic was more jumpy.

I was talking about mechanics just now, and suddenly I sprayed quantum.

It extended to Schrödinger's open marriage, how to be a group of upright wives and concubines, the red flag at home did not fall, and the colorful flags fluttered in the city.

Then on the drought and waterlogging, the topic strangely transitioned to "the sexual repression of science students", saying that when he was an undergraduate, he wanted to do a paper on "the correlation between sex life and scientific research efficiency", but it was rejected, but he felt that this direction was okay, so he modified the topic and changed it to "the impact of sex life on IQ", and then there was no more.

To this day, he still thinks that he can't do this topic, not because it is unreliable, but just to take care of the self-esteem of the majority of science students.

When talking about this, Li Zheng was a little overwhelmed and wanted to return the topic to learning, so he asked a question about fluid mechanics.

He didn't hesitate to give advice to solve his disputes, and immediately threw Li Zheng a topic-

【Fluid Mechanics Analysis in Sexual Life】

Looking at Li Zheng's stiff face after hearing the topic selection, Xie Qifen admired it very much.

"You see, this topic covers fluid mechanics, biology, ergonomics, what a big topic. Xie Qi laughed with a beer, "The key is that this is still a virgin land, do you know how hard it is to find it these days? I mean virgin land for scientific research." ”

Li Zheng coughed dryly: "There is a person named Bi Dao in the bar, he may be interested in this topic." ”

"No, I can't. Xie Qifen resolutely raised his hand, "Such a good topic can't be given to Jinghua." ”

"Are you serious, teacher...... What's the point of choosing a topic?"

"Yes, the application prospects are very broad. "I'll just say a few things, you can feel it-[automatic erection machine] [inhibition ejector] [doubling expansion ring sleeve]...... Do you feel it?"

"This ...... It seems that medicine has solved these needs. ”

"Can that be the same? Don't you think the physical path is more interesting?"

"Okay......" Li Zheng shook his head and sighed, and said with some hesitation, "Of course it's okay to talk nonsense during dinner...... But I'm more concerned about what you're really doing. These things sound like ......"

"Minke?" Xie Qifen smiled and opened a new bottle of wine, "It's okay, to put it bluntly, I've been sprayed like this for more than ten years." ”

"No, I'd like to say Doraemon. ”

"Haha, it doesn't matter. Xie Qifen took another half bottle, looked at Li Zheng's eyes, and finally sighed unrefusively, "I haven't done anything now, if someone is willing to give funds, I may really go to double the expansion ring sleeve......"

“......”

"Well, I know you're annoying me. Xie Qifen put down the wine bottle and quickly took two bites of food, "Hurry up and finish eating, and go back and continue to give you a lecture." ”

"It's not annoying, Mr. Xie. Li Zheng picked up the wine bottle and poured himself most of the glass, "It's just that with people like you, I will unconsciously want to absorb the nutrients of physics, and want to know what kind of research and what kind of content you have been thinking about in an early champion like you." ”

"Research, thinking?" Xie Qifen shook his head and took a bite of tiger food, "It's still early, Comrade Xiao Li, it's not that I don't want to say it, it's that you shouldn't listen to it now." ”

"It's okay...... Li Zheng sincerely raised his glass and said, "I'm mentally prepared, even if you really do perpetual motion machines, I can accept it." To tell you the truth, I trusted your knowledge and doubted your personality at first...... Now it's the other way around, and I trust your personality a lot, but I'm starting to doubt my knowledge......"

Xie Qi was stunned for a moment, but he quickly picked up the wine bottle and touched Li Zheng hard.

"Thank you for your trust. Xie Qifen occasionally got serious, stared at Li Zheng and said, "I will show you my way of thinking and training methods as much as possible." But my real physics thinking, sorry, not right now. ”

"Why?"

"No, it just doesn't. Xie Qifen put down the wine bottle, and his face was no longer frowning, but covered with a layer of numbness.

Li Zheng said anything again, he didn't answer, even if he said doubling the swelling or something, he didn't answer.

He just took out his phone and walked to the counter a little crookedly, leaving only the back of an ordinary middle-aged drunk.

On the way back, the two did not say a word.

When I returned to the small classroom, it was already eight o'clock in the evening, and in the large experimental classroom next to it, the people of the training team were still conducting experiments.

Xie Qifeng was not interested in this, so he just returned to the blackboard and scribbled casually.

Although he was a little drunk and he wasn't very interested, what he said was still remarkable.

"In the last few hours, you learned a new way to solve the problem. ”

"Draw a physical image, then turn it into a mathematical problem, calculate it, and restore the physical result. ”

"It's not a new approach, and physics problems can be solved this way since middle school. ”

"Only now, after mastering the sum of micro-products, there is no longer any obstacle to the transformation between physics and mathematics. ”

But that doesn't mean that all physics problems can only be transformed by calculus. ”

In other words, calculus is the dumbest method. ”

"You know the picture in the computer, it's to divide a picture into millions of pixels, and then show the whole picture by describing the color of each pixel, which is the dumbest way. ”

"If we're smarter, we can record the characteristics of the image to describe it. ”

"For example, in a picture, the 1 million pixels in the upper left corner are all black, and we only need to record the position of the critical point and the black information. ”

And this is the Euler description in fluid mechanics. ”

"Now, let go of the idea of switching calculus, let's go on a thinking journey with Lao Ou. ”

In the following lesson, unlike the initial caustic jump, the solution gradually became gentle, and a lot of easy-to-understand guidance and examples were added, making the whole class soft and comfortable.

Of course, when it comes to mathematics, it's still very steep, and it's always a sudden "slight", and then I can't understand it.

I don't know how long it took, but suddenly there was a knock on the door.

After agreeing, the two boys entered the classroom, watching Li Zheng reconcile and resolve the dispute, with a slight grievance in their eyes.

Li Zheng noticed that there were more people gathered at the door of the classroom, and Lu Yang was trying to find a way to let everyone disperse, but he couldn't move it.

Xie Qifeng rubbed his head, probably because the wine came up, and asked a little irritably, "What's wrong?"

"Teacher Xie...... We also want to hear ......"

"You can't just open a small stove for him and push us all out......"

As soon as these two sentences were spoken, it was quiet outside.

"Listen. Xie Qifen pointed to the empty seats in the classroom and said, "I didn't let you listen, but you sat down." ”

The two of them were stunned, then overjoyed, and hurriedly found a position in front and sat down.

There was a lot of people from outside, and the classroom was filled in a few moments.

Xie Qifen shook his head, asked Lu Yang for a bottle of mineral water, and after pouring two sips, he started to talk again.

In an instant, the gentleness was no longer there, and the content returned to what he told Li Zheng at the beginning.

Cut into pieces, and then all of a sudden, and it's all out.

It's the kind of rhythm that can't be kept up with just note-taking.

Gradually......

There are fewer people......

"Excuse me, Teacher Xie......"

"These ...... I can't take the exam at all......"

"How do I feel like I'm listening to Mathematical Analysis......"

"Let's go back to sleep......

"Li Zheng, can you understand this?"

After more than 20 minutes, the people who had just squeezed in were all squeezed out again.

Only one Qi Yingnan, with thick eyebrows and big eyes, was left, sitting in the farthest place from Li Zheng, and he listened hard.

Xie Qifen looked at his constipated expression, smiled, threw down the chalk and asked, "To tell the truth, how much do you understand?"

"Zero!" replied Qi Yingnan Zhenzhen.

"And what are you listening to?"

"The truth of physics!" Qi Yingnan didn't let in at all, nodded in a daze, "You asked at the beginning, who wants to get close to the truth of physics, I think." ”

"Oh, do you still ask this?" Li Zheng in the back row exclaimed, "Then I want to too." ”

"Ignore you. Qi Yingnan shook his head, as if he had a grudge, and he didn't bird Li Zheng at all.

Xie Qifen looked at his watch, then at the two of them, and couldn't help but shake his head and sigh: "It's more than ten o'clock, look at your two virtues." Then let me talk about it a little bit, only the head of imagination, and don't think too deeply. ”

As he spoke, he turned around and pointed to the lump of water that had just been drawn on the blackboard: "What I've been teaching just now is nothing more than describing physics problems as physical images and transforming them into mathematical problems to solve, right?"

The two nodded in unison.

"What about the other way around?" Xie Qifen picked up the board eraser and wiped away the lump of water, leaving only the equation next to it, "I only give you the mathematical equation, can you describe the physical image?"

The two were stunned for a moment, and then fell into thought.

Then, Qi Yingnan took the lead in raising his hand: "No." ”

"Why?"

"This mathematical equation is so simple that it can only describe a specific state of fluid in a physical environment. ”

"Good. Xie Qi turned to look at Li Zheng, "What do you think?"

"Still thinking about ......," Li Zheng muttered, "What if there were more equations, enough to cover everything about this fluid?"

"You're fine too. Xie Qifen nodded, and then looked at Qi Yingnan again, "Using simple equations to describe physics, in fact, this is what the sages of the classical physics era did. ”

After that, he turned to look at Li Zheng: "Now, scientists are trying their best to deduce the equations that describe everything, and there will be many, many groups, which is why modern science is too complex and redundant." ”

"Quantum mechanics, which I hate the most, is also one of them. ”

"It's not that quantum mechanics is necessarily wrong, on the contrary, I know quantum mechanics better than most so-called experts, but that doesn't stop me from hating it. ”

"I hate it because I'm so good at math that I intuitively disapprove of it, and I physically hate it. ”

"It creates a lot of irrational concepts and obscures the key points that are difficult to describe mathematically, and here they are like magic sticks, using their own words to create a bunch of plausible causes and effects, and then erecting a very high threshold of knowledge. ”

"Some of the most disgusting of them claim to have the ability to 'read oracles', and thus are looked up to by a bunch of people who seem to know what they don't understand, and they are cheated into eating, drinking, and cheating. ”

"In my case, physics has to satisfy mathematics, otherwise I'm disgusting, just as disgusting as seeing a bunch of people preaching with Bibles. ”

"But if I don't say it, I'm no better. ”

"I also have my Bible – mathematics. ”

"This is the only unshakable thing I can accept, the only reliable achievement of humanity. ”

"So, when I realized that I rejected quantum mechanics and at the same time didn't have the talent for experimentation. ”

"I picked up my Bible. ”

"If they're all using physical images backwards to derive mathematical formulas. ”

"Then I'll do the other way around, and use math ......"

"Ahem. ”

Li Zheng and Qi Yingnan were listening to it soundly, and a cough suddenly came from the door of the classroom.

All three looked at each other at the same time.

The visitor was a tall man in a suit, not too old, but his hair was already gray, and against the backdrop of his rimless glasses and kind smile, he could be regarded as the kind of person who would have thought he was very learned at a glance.

Even if he solved the dispute, he put down the chalk and nodded obediently: "Dean Zhong......"

"It's okay, it's exciting. The man raised his arm and nodded his watch and smiled, "It's just a little late today." ”

"Yes......" Xie Qifen hurriedly lowered his head and packed up his things, and his previous eyebrows were gone.

It seems that the ruffian is only bullying the weak and afraid of the hard, and when he saw the real boss, he immediately didn't dare to speak.

However, Li Zheng didn't pay attention to this, he wanted to shout out and say "I'm not sleepy".

But the big guy is also a real big guy, Dean Zhong only stood with a smile in front of the door, and Li Zheng consciously shut up and couldn't say a word.

Qi Yingnan was even more excessive, and he was already a little trembling when he looked at the big guy's kind face.

On the other side, in front of the podium, after sorting it out, he walked out with his head down.

However, Dean Zhong raised his hand to stop him and said, "This group of teachers who had a meeting have all returned. Thank you for your hard work, so let's say goodbye to the students. ”

"Oh oh......" Xie Qifen waved his hand at the two of them very copingly, "Everything that should be said has been said, the rest is to realize it yourself, let's have a chance to meet again......"

Without waiting for the two to reply, he nodded to the dean and hurried away in despair.

Under the gaze of Li Zheng and Qi Yingnan, Dean Zhong walked in with a smile, sat down at a table casually, put down his briefcase and said with a smile: "One of the two of you must be Li Zheng, right?"

"Ahh Li Zheng replied dumbfounded.

Zhou Yi specially mentioned it to me. Dean Zhong raised his hand and pointed at Li Zheng and smiled a little more presumptuously, "Let me embarrass for you." ”

Li Zheng's eyes widened.

Okay, you're a Zhou Chenghuan!

Isn't it enough to give me a honeycomb coal-like ring problem?

Dean Zhong looked at Qi Yingnan again: "This classmate is ......"

Qi Yingnan was excited, and got up in shock: "Qi Yingnan...... Article ...... Fourth. ”

"Well, it's all very good results. Dean Zhong nodded affirmatively, and then asked casually, "What did Teacher Xie talk about just now?"

Hearing this, Li Zheng and Qi Yingnan immediately looked at each other, and then bowed their heads together.

Dean Zhong coughed at the right time.

plus a series of strange performances.

Both of them could feel that both the dean and Xie Qiqi themselves seemed to think that the rest of the lesson was taboo.

Although the two of them were in awe of the dean, they didn't want to sell it like this to solve their differences.

"Okay, don't be nervous. Dean Zhong only raised his hand and smiled, "If he talks about cellular automata or life games, it will be really interesting, but you are far from the time to go deeper." Mr. Xie's talent is recognized, but his depth of thinking and research methods are not something that everyone can bear. If you can get in, it's not too late for you to ask for advice. ”

That's embarrassing.

Dean Zhong's original intention was to take a preventive injection to prevent the two people from being crooked.

However, Xie Qifen didn't say much at all.

On the contrary, it was he who personally delivered the words "cellular automata" and "life game" to the two.

Dean Zhong looked at the rolling eyes of the two of them, and seemed to realize something.

"Okay, don't think about it...... This room smells of smoke...... It's really ......" He swallowed and foamed, covering his nose and getting up in embarrassment, "Go back to the dormitory, I'll make up for the opening ceremony for you tomorrow morning." ”

Li Zheng and Qi Yingnan hurriedly got up to pack up their things, and after saying goodbye to the dean, they quickly ran into the stairwell.

At this time, Qi Yingnan also forgot to remember Li Zheng's hatred, and as soon as he entered the corridor, he took Li Zheng's hand and shouted: "Yuan cell automata?"

"The game of life!" Li Zheng was also excited.

"But what does it have to do with physics?"

"At least it has to do with mathematics, and mathematics has to do with physics. ”

"Oh, I'm in a hurry, what the hell are you doing!"

"Yes, is it necessary to be so mysterious, and it's not a perpetual motion machine. ”

As he spoke, a man hurried up from downstairs.

Fortunately, it's not the solution to the dispute, it's Lu Yang.

Lu Yang is such a good person, don't forget to take them to the dormitory building at this time.

caught Lu Yang, of course they would not let it go, even if they asked about it.

It's a pity that even Lu Yang doesn't know what kind of research Mr. Xie does and what his physical ideas are.

Lu Yang only knew that his research was stopped more than ten years ago, and Xie Qifeng never did any research since then.

It's not just research that's stopped, it's also a passion for life.

He still lives with his mother and has no intention of getting married and starting a family.

Although he has not yet rated the title of professor, his image and qualifications are first-class, and over the years, many girls in the school have expressed their admiration, but he has splashed people away one by one like splashing water.

In the years after the project was suspended, the leaders of the institute brought the topics and funds to his mouth several times, but he didn't want them, and asked him to evaluate the title, but he didn't sign up, which completely became a state of old friends.

According to Lu Yang's words, this is probably a kind of rebellion that the research has been stopped.

If you don't want me to do this, then I won't do anything.

Of course, this kind of resistance must be a mantis arm as a car.

As Xie Qifen got older, and more talents made up, he became a marginal figure, teaching those classes a week, and if it weren't for the various meetings colliding together these days, it would not be his turn to lead the training camp.

"So, that's what research is. Lu Yang and the two of them walked slowly on the shore of the anonymous lake, looking at the moon shadow on the lake and sighed, "No one knows where the right direction is, no one knows if it will be stopped, no one knows whether it should be insisted on." Professors are like tree roots that stretch out in all directions, just hoping to reach deeper places in this life, touch more dirt, and not hit a dead end. ”

"The senior is very literate. Li Zheng exclaimed, "So you still don't know the direction of Teacher Xie?"

"I don't know...... Some teachers may know, but they don't say it, and we get angry when we ask. ”

Qi Yingnan smiled: "How is it similar to Voldemort in Harry Potter?"

"It's pretty much the same. Lu Yang gestured, "This is also the seventh of the seven taboos of our institute - the study of resolving its disputes. ”

"What about the first six?" Li Zheng and Qi Yingnan asked in unison.

"I don't know much, and I can't tell you if I know. ”

"Let's just say one. ”

"Please, Brother Lu Yang. Qi Yingnan flickered Lu Yang's arm and flipped coquettishly.

"Get out!" Lu Yang shook it off and said reluctantly, "Then tell you two...... You just saw Dean Zhong, right?"

"Hmm. ”

"Hmph......" Lu Yang looked at the two of them, gradually gritted his teeth, and said in a very low voice, "Dean Zhong...... It used to be the guy next door......"

"Elite?" Qi Yingnan exclaimed, "Elite's people come to Jida to be the dean?"

"Shhhh......h This is starting a war. ”

"It's so serious, it's the second taboo...... Li Zheng asked, "What is one of them?"

"I don't know, probably only graduate students are qualified to snoop a thing or two. Lu Yang hugged the two of them, "You just need to know 'study physics and come to Jida'." Of course, it's not just physics, there's nothing wrong with 'learning chemistry to thistle', 'learning biology to thistle', 'learning business management to thistle'......"

"How is it like Lan Xiang?"

"Shut up! Next door is Lan Xiang. ”