Originally, Director Xiong Weizhao had planned this interview to last about an hour. However, considering that Academician Xu needed to take the high-speed train back to Jinling, a lot of time was compressed and some problems were eliminated.
After the interview, Xu Chuan took his luggage, said goodbye to the two of them, and headed home.
Standing at the door of Beihai Hotel, Xiong Weizhao looked at the back of Xu Chuan leaving in a vehicle and felt a little emotional.
After working at CTV for so many years, I have interviewed and met countless scientific researchers, scholars and even politicians, but this is the first time I have seen someone as outstanding as the one in front of me.
There are many scholars at the academician level, but in today's society, there is probably only one scholar like this one who can reach the Heaven Hall and directly influence the development of the entire country and even the world.
Watching the vehicle leaving, he suddenly turned around and looked at Sun Yutong who was standing beside him. He smiled kindly and said, "Yutong, I didn't expect you to have such a good relationship with Academician Xu. I'll remember it more in the future."
Get in touch.”
Sun Yutong looked at the leaving vehicle and then at the director. For a moment, she didn't know what she was thinking.
connect?
As for contact information, it's not like she doesn't have one.
A few years ago, when she went to Sweden for the first time to participate in the Crafford Prize, she added the contact information of Academician Xu during the interview.
However, in the past few years, except for some polite greetings on holidays, there has been no contact between the two.
To be honest, as a girl, at her age, it is normal to think about your partner.
However, her vision seems to be a little too good.
Before she could attack, the opponent had already reached a height that was beyond her reach.
If she wanted to try again, I'm afraid she herself wouldn't think she could have the courage.
...
It was already quite late when we returned to Jinling from the capital.
After taking a shower, Xu Chuan dried his hair and sat in the study.
Although he hasn't been back for several days, the villa is still clean, without even a trace of dust. Most of the time when he is out, there are still people who come here every once in a while to clean things.
Turning on the computer, he clicked on the documents that had been used to record various work, recorded recent related matters, and then began to make arrangements for the next work and research direction.
Now that controllable nuclear fusion technology has been realized, he has planned the next goal, but overall it is still relatively rough.
As for now, it's time to make a new plan for yourself.
After such a long rest, it was almost enough.
After all, the brain of a scholar, or a researcher, cannot be left idle for too long.
After thinking for a while, he opened his own notebook and wrote down the terms mathematics and aerospace engine in it.
Mathematics is his own path.
No matter what, even if controllable nuclear fusion technology is realized, Xu Chuan is not ready to give up the field of mathematics.
Instead, in the next few years, he will focus more on mathematics.
Even though he has solved two Millennium Problems, there are still many areas that he has not yet explored and needs to learn about the vastness of mathematics.
As for the aerospace engine, there is no doubt that it is prepared for breakthroughs in aerospace technology.
After the controllable nuclear fusion technology is realized, it is necessary to take steps towards the sky.
But judging from the current situation, whether it is China, the United States, or the European Union and other countries, there has not been much progress in aerospace technology.
To talk about the pinnacle of aerospace, it can even be attributed to the famous "Cold War" of the last century.
In that turbulent but competitive era, aerospace ushered in the most glorious moment in human history.
Launch vehicles, unmanned launches, manned moon landings, space shuttles, the Saturn 5 super-heavy launch vehicle... a series of miracles were created at that time.
But now that decades have passed, the aerospace technology of various countries is still tinkering and patching up. Not to mention progress, it may even go backwards.
As early as decades ago, Sumi had achieved manned landing on the moon. However, decades later, manned landing on the moon is no longer in the plans and arrangements of various countries.
Of course, this is also related to the delay in making breakthroughs in aerospace engine technology.
In many science fiction novels or movies, aircraft can always provide power for the entire journey of interstellar travel.
But in reality, rocket thruster engine technology simply cannot achieve this.
Compared with the exposed propellant tank, the chemical rocket engine looks small, but it has a big appetite.
"You eat more, but you don't work as efficiently."
Traditional fossil fuel engines consume massive amounts of energy, but are only effective in providing short-term power—the stored fuel is quickly used up, and the thrusters are immediately thrown away as garbage.
Most of the chemical rocket's fuel is used to escape the earth's gravity, and the remaining bit is used to propel the rocket's "space glide." The rocket flies to its destination solely by inertia.
For interstellar flight, this kind of engine is obviously insufficient.
Take the famous "Saturn 5 launch vehicle" as an example.
It is a super-heavy launch vehicle developed by the United States and is known as the most powerful rocket system in history.
However, with a height of 110.6 meters, a diameter of 10 meters, and a thrust of up to 3,408 tons, it can only send 118 tons of items into low-Earth orbit. If it is to be sent to the lunar orbit, the load capacity will be sharply reduced to 45 tons.
The reason is that a large part of the nearly 3,500 tons of thrust generated by the rocket is used to "drag" the rocket itself and more than 2,000 tons of fuel.
Its "specific impulse" is not high, only more than 300 seconds, indicating its low propulsion efficiency.
This is why a huge rocket must be used to send a person with a small mass into space.
If this traditional fossil energy rocket is still used as a carrier, I am afraid that there will be no big breakthrough in aerospace technology.
So Xu Chuan wants to focus on researching this aspect to see if he can find a new path for aerospace engines.
...
Sitting in front of the computer, Xu Chuan was thinking about new ways to develop aerospace engines. Unconsciously, the night was getting late.
When the moon climbed above the head, the mobile phone on the table rang.
Xu Chuan picked up his phone and looked at it. It was sent by his new life assistant.
"Academician Xu, it's very late now. If you don't have anything urgent to do, it's time to go to sleep."
Looking at the information, Xu Chuan's mouth moved and he looked at the time again.
Well, before I knew it, it was already eleven o'clock in the evening.
Shaking his head, he put down his phone, sorted and saved the information on the computer, and got up to wash up.
Is this the magic of life assistants?
What kind of scientific researchers are called scientific researchers who cannot realize the freedom of staying up late!
........
After a peaceful sleep, Xu Chuan came to Nanda the next day.
Now that controllable nuclear fusion technology has been realized, as a full professor at Nanjing University, it is time for him to come back to teach and educate students.
Pushing open the door of the office, Xu Chuan walked in. Cai Peng, who was studying by himself in the office, turned his head and took a look, and quickly stood up in surprise and excitement.
"Professor, you are finally back!"
The last sentence made Xu Chuan cough slightly unnaturally. Facing Cai Peng, a student, he was probably a little embarrassed.
After all, it has been almost two years since he became his student, and he has not taught him much. Previously, he was busy with things in the field of controllable nuclear fusion, so Cai Peng basically left it to Gu Bing and Amelia to take away.
Taught.
On the opposite side, Cai Peng may have realized that he said something wrong, so he quickly skipped the topic, and then congratulated: "Professor, congratulations on solving the century-old problem of controllable nuclear fusion!"
Xu Chuan: "Thank you, why didn't you see Amelia?"
Hearing this, Cai Peng had a slightly strange expression: "Professor, didn't you arrange for her to go to CERN for an internship in February this year? She hasn't come back yet."
Xu Chuan coughed and then remembered that because he was busy with controllable nuclear fusion, he was afraid of delaying his students, so he arranged for Amelia to go to CERN for practice.
Amelia studied mathematical physics, and after solving Bloch's conjecture, she and Gu Bing graduated from him.
It's just that Gu Bing chose to be a mathematics professor at Nanjing University, while Amelia was more talented and chose to study in depth with him the methods of mathematical calculation of physical particles.
This is a course that requires a combination of practice and theory. China is currently unable to provide much help in this direction, so he sent Amelia to CERN and troubled his tutor Edward Witten.
Help take care of it.
Then the school left Cai Peng to either study on his own or study with Gu Bing.
To put it this way, he felt sorry for these students and spent most of his time in free-range mode.
After coughing slightly, Xu Chuan said: "I will have enough time to teach you in the future. I hope your homework has not fallen behind in the past two years."
Hearing this sentence, Cai Peng felt a little bad.
From Senior Brother Gu Bing's words, he knew that this instructor dared to take on a world-class problem as the subject of his student's graduation thesis. Wouldn't he also have to solve a world-class problem before he can graduate from him?
If that's the case, why not kill him? Maybe that would be easier?
Xu Chuan didn't care about the changing expressions on his student's face, and then asked: "I remember that you studied the field of differential equations later, right?"
Cai Peng quickly replied: "Yes, Professor."
Xu Chuan nodded and didn't say much. He took out a piece of A4 paper from the drawer of his desk. After thinking for a while, he wrote:
"Suppose K is a zero-characteristic differential field, ?\u003d{δ1,···,δm} is its differential operator, let L \u003d Khη1···ηni be K and a finite number of elements η\u003d{η1,·
··, ηn} generates the differential expansion domain.”
"Define Θ to represent the freely commutative semigroup generated by δ1,...
?..."
"Question 1: Looking for an algorithm that can determine the differential generating set η of a known differential extension field L on K."
"Question 2: Looking for an algorithm that can generate a set and the differential relationship of this set from the differential of a known differential extension field L on K, and calculate the minimum differential dimension polynomial of L/K."
In the quiet office, the sound of the ballpoint pen sliding on the white manuscript paper was particularly loud. Cai Peng couldn't help but swallowed when he heard the sound.
He seemed a little panicked.
Less than two minutes later, Xu Chuan stood up and handed the paper with the questions written on it to Cai Peng.
"Although it is my fault that I have not been able to teach you well in the past two years, let me see if you have wasted your talents and lessons in the past two years."
"The questions on this paper should be suitable for you. I will give you three days to solve as many as you can, including ideas and thoughts."
"If you have been lazy in the past two years, you may have to delay your graduation from me for a while."
.........
PS: To make up for yesterday’s chapter, there are two more chapters today. Please vote for me.