Open an aircraft carrier to fight against Japan

Su Zhengming laughed when he heard Lin Yuan's words, turned around and pointed at Lu Xue and said, "Our Xiaoxue used to learn lasers, and later she felt that the related theories of lasers were relatively complete, and there would be no major breakthroughs. I can rely on the materials, so I transferred to the materials, and I have been studying with me as a graduate student for the past two years, although it is said to be in school, but I did not go to the factory less, let her tell you about it."

Seeing that Lu Xue lowered her head, her eyes were red, she pursed her lips and said nothing, Su Zhengming couldn't help laughing when he saw her, and said, "Hey, I'm still in a mood, didn't I just say a few words about you? Why does it look like this? Who doesn’t get scolded for science? Come on, don’t get angry, let’s go to dinner together, Master treats you today, let’s go.”

Only then did Lu Xue raise her head, and followed Su Zhengming out, and Lin Yuan discovered that a large canteen had been built here, and there were different windows in the canteen. Except that there was no credit card machine that is common in modern universities, everything else was the same as that in the school. exactly the same.

The three of them had lunch and sat down, and Lin Yuan had time to pour out his questions. Lin Yuan first asked: "What's the matter with those boys and girls? How did they become students? Also, they I even came to see the drawing of monocrystalline silicon, which in our era is something that is only learned in universities.”

Su Zhengming said: "This is the result of discussions with several of our experts. In this era, the quality of the people is too poor and there is a shortage of talents. You used to ask people to teach them. Those are all literacy-oriented, and scientific research is simply useless. , so we discussed with the Korean political commissar and built a school in the R&D center."

Lin Yuan asked: "School? Are all the children enrolled in it without foundation?"

Su Zhengming nodded and said, "That's right, when they came here they didn't know a single character, and some of them couldn't even count the number of people. It's been almost two years now, and they are already able to study some university courses."

Lin Yuan asked in surprise: "What? This is too fast!"

Su Zhengming said: "What's so fast? If you think about the education in our era, it takes 16 years for a person from elementary school to university, but if you think about it, how much time do you really spend in these 16 years? Attending lectures and copying homework at the same table, so there is not much time for real study."

"But it is different here. My students only have one thing to do, and that is to study. First of all, teach them to read characters. Because we are in a Chinese environment, they can read characters very quickly, and then they learn mathematics, physics, and chemistry. Wait, what I need is material science talents, people who can help me, so I only teach them things related to materials, as for those deeper knowledge, I leave them to themselves, if they feel the need , you can learn by yourself.”

Lin Yuan asked: "You said that you are studying here every day, so do the students suffer?"

Su Zhengming laughed loudly, and said: "What can't be tolerated, this is my educational philosophy - the hell education method, I believe that human potential is unlimited, so human beings can do many things, the reason why human beings are lazy is all It’s because they were not pushed to a dead end. These students are all fourteen or fifteen years old. They are orphans without parents. Those boys work for others. Because they are young, they are bullied everywhere. You know how the girls are. .”

"But I called them together, gave them food and clothes, and no one beat or bullied them. Tell me, can they not study hard?"

Lin Yuan thought to himself: "No wonder they can learn things so quickly." So he asked again: "When I first came, I heard from Lu Xue that if I was disobedient, I would not be given food. What's going on?"

Su Zhengming said: "People are always lazy. Even if they have experienced hardships, they are easy to slack off in a comfortable environment, so I use this method. Those who are disobedient and who don't work hard will not be allowed Have a meal!"

Lin Yuan thought: "This Mr. Su really has a personality, but this kind of education method is also effective in this era. In our era, who would be willing to send their children to such a school?" Lin Yuan asked again : "What about other experts? Do they also use this method to educate students?"

Su Zhengming said: "Then I don't know. In short, one person has one method. This is a large-scale testing ground. We all have our own educational ideas, but in our era, it is impossible to follow our temperament. This time it’s alright, let’s do whatever we want.”

Lin Yuan asked, "Why don't I know these things?"

Su Zhengming smiled and said: "We do so many things, how can you know everything, so it's normal that you don't know."

Lin Yuan nodded. At this time, he accidentally saw Lu Xue. Lu Xue had just reprimanded Lin Yuan. At this moment, he was extremely ashamed. He just kept his head down to eat and didn't dare to look up at Lin Yuan. Lin Yuan smiled and said, "Lu Teacher, are you still strict?"

One sentence made Lu Xue's face turn red, she quickly shook her head, and argued: "No, I'm not like that at ordinary times, I'm all Teacher Su, he told me to be strict as a teacher, otherwise the students wouldn't be afraid of me gone."

One sentence made all three of them laugh, and Lin Yuan said, "Well, tell me about the laser."

Lu Xue nodded and said: "Laser is the light emitted by stimulated radiation. This is about the light-emitting mechanism of atoms. According to modern atomic theory, atoms have a stable state with the lowest energy, which we call the ground state. There are also many higher-energy states, which we call excited states. When atoms transition from a high-energy level to a low-energy level, energy will be released, and this energy will be expressed in the form of light, which is light radiation."

"Stimulated radiation is the radiation produced by an object under external stimuli, that is, our laser. This stimulus is electrical stimulation, but an object that can generate laser light needs to meet certain conditions. Inverted matter', simply put, is the ability to produce very large intensities of radiation under very small excitation conditions."

"There are some such substances, such as ruby, rubidium glass, etc., but the light radiation produced at this time is chaotic and irregular. We must let it radiate in one direction, so as to produce laser light, so we need A special structure-optical resonant cavity, through this structure, the light radiation is directed in the same direction, and the laser is formed, and coupled with the technology of mode selection, the laser can meet the requirements of use."

Lin Yuan smiled and said, "I know all of this, can you tell me something I don't know, for example, what is needed to make a laser?"

Lu Xue blushed pretty at Lin Yuan's words, and said, "I haven't designed lasers before, why don't you go to Teacher Qin."

Lin Yuan asked: "Teacher Qin? Professor Qin Peng?"

Lu Xue quickly said: "Yes, that's right, it is Professor Qin Peng, the top laser expert in our country. I heard that they are going to test the sea-based laser anti-missile platform this time. Do you know? Sexual weapons are actually very difficult, because the problem of dissipation in the transmission process must be solved, I wonder if Professor Qin Peng has solved this cutting-edge problem?"