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On the fourth day after Su Yichen arrived at the school, Tang Wei, who had completed the procedures, officially left. His house in Shanghai had already been sold. Most of the electrical appliances and daily items in the dormitory were left to Su Yichen. He dragged two suitcases and resolutely walked out of the school gate to find and continue his ideals when he was young.

On the day Tang Wei left, Su Yichen did not give him a gift. It was not that Su Yichen didn't want to give him a gift, but that Tang Wei refused all his colleagues and friends' gifts. In his words, leaving here is a new life in his life. This is something worthy of happiness and celebration. Farewell is sad, so it is better not to mix happiness and sadness together.

Although they only knew each other for a few days, both Tang Wei and Su Yichen regarded each other as good friends. The word "friend" sometimes sounds easy, but sometimes it is difficult. Some people have known each other for a lifetime, but they are just nodding, but some people may have known each other for a few days, but they feel that they hate each other too late.

Su Yichen knew in his heart that Tang Wei was actually the same person as him. In the small restaurant that day, the words he shouted at him still echoed in his ears. Tang Wei's complex expression at that time was filled with anger, helplessness, grievance and bitterness. Although he was over 40 years old, he had surrendered in front of reality, he finally did not forget his ideals and chose the road to return.

Standing on the windowsill and looking at the empty streets and alleys, Su Yichen sincerely wished Tang Wei a success. Before Tang Wei left, they left emails to each other and made an appointment to keep in touch. In addition, when Su Yichen learned that Tang Wei was in the United States, he asked him to ask for information about Luo Yan there. Tang Wei did not refuse, and found a piece of paper to record the situation in detail, saying that he would help him inquire after he settled there, and if there was any news, he would notify Su Yichen as soon as possible.

Su Yichen quickly adapted to his teaching life in middle school. It was very simple for Su Yichen to teach junior high school physics, not to mention the lesson preparation records that Tang Wei gave him before leaving.

In the first class, Principal Liu Jiashan listened to the back of the classroom for half a session. When he found that the young Su Yichen was not afraid in the classroom, he talked like a teacher with rich teaching experience. His narration of physics knowledge went from shallow to deep, and the evidence was vivid and interesting. Liu Jiashan was completely relieved, nodded slightly with a smile, and turned back to the office.

The teaching work is dull, but Su Yichen is busy in his spare time. In the eyes of others, Su Yichen, a "young man", is a bit strange. Although he has a good teaching level and is easy-going, he usually gets along well with colleagues, but the problem is that he is not as colorful as ordinary young people, such as he loves sports, music, travel, or gatherings with friends, watching football, chatting, drinking coffee, or singing in a bar or going to karaoke.

It can be said that Su Yichen doesn’t seem to have any hobbies on weekdays. Apart from class, he either writes and calculates at his desk in the office or is inexplicably dazed. He often goes to the nearby university town library or stays in the school’s physics laboratory and computer classroom after work. He spends more time locking himself in the dormitory. He is young and doesn’t even date a girlfriend. He dresses ordinary and doesn’t care about life, and lives a boring life like an old antique in the last century.

In the eyes of outsiders, Su Yichen is such a weirdo. Even when the semester is over, the other teachers either go back to their hometown to rest or go out for a trip and vacation to appreciate the natural scenery. But Su Yichen is so good that he has not gone anywhere and still lives in the school dormitory. He still lives a quiet and regular life every day, which many people cannot understand.

However, after all, life is someone else’s private affairs. For the school, Su Yichen’s teaching ability has been confirmed over the past month. As the principal, Liu Jiashan also formally determined the work arrangements of Su Yichen’s junior high school physics teacher before the summer vacation.

Su Yichen sincerely thanked Liu Jiashan for his trust in the school, but during the conversation, Su Yichen was not interested in it. He worked as a junior high school physics teacher in the school. This was just a superficial job he stayed in Shanghai, and what he paid the most attention to now is his own business.

Over the past month, Su Yichen has gradually sorted out the information about the Rand civilization he obtained from Ike. Although some of the information is incomplete, there are still many of them just a rough direction, but the things in his mind are enough to spend Su Yichen spending a lot of time.

When he was at the Stone Gate, due to the limitations of conditions and other reasons, Su Yichen just sorted out the general idea first. Now that he has an independent dormitory and a better research environment, he can calm down and sort out these things well, and then select some of them as his research goals.

As an expert in physics, Su Yichen's most important focus is of course on the actual use of controlled nuclear fusion in spacecraft or spacecraft engines, which marks the key to human beings being able to truly fly out of the earth and move to space. Of course, Su Yichen also knows that compared with the developed Rand civilization such as curvature technology and even transition technology, controlled nuclear fusion is just the first step for primary civilization to move to the universe. In Rand civilization, this technology is almost equivalent to the huge difference between atomic bombs and second kicks in modern technology, but compared with the energy drive of space vehicles currently mastered in human technology, it is beyond an entire era.

Of course, with Su Yichen's current ability, although with the scientific and technological guidance of Rand civilization, it is almost a dream to create a controllable nuclear fusion engine by himself. Such cutting-edge technology is simply impossible to achieve by fighting alone. This is like an aircraft designer who can never build an aircraft with a blacksmith shop alone. Now, what he has done is just a preliminary theoretical organization and research. Just like building a high-rise building, the first step must be to design the drawings, then build it accordingly, and then lay a solid foundation, so that the building can rise step by step. Su Yichen is doing this first step and the most critical step.

Computers in this era are much more advanced than 30 years ago. With the help of computers, Su Yichen made a smooth progress in the preliminary sorting and research process. However, the more he continued to do it, the more he felt that computers helped him work less and less. First, a large amount of data calculation is required in the subsequent research and demonstration work. This kind of calculation is extremely complex and cumbersome, and it cannot be achieved by relying solely on the speed of ordinary computers. According to Su Yichen's querying information, only those supercomputers can barely meet his needs.

In addition, the computer's operating system and software tools also made Su Yichen feel dissatisfied. Currently, more than 90% of computers use Microsoft operating systems. This system feels unsatisfactory after using it. It is found that the innate shortcomings of the system language and source code have led to great flaws.

There are many types of computer languages, and they can be divided into three categories: machine language, assembly language, and high-level language. There is another saying, that is, low-level language, high-level language, special language and script language. But no matter which way they distinguish, all computer languages ​​have pros and cons, especially in terms of high-level languages. Since the advent of FORTRAN language in 1954, hundreds of high-level languages ​​have appeared one after another over the past few decades.

There are dozens of important meanings and have a great influence. The most common uses include FORTRAN, ALGOL, COBOL, BASIC, LISP, SNOBOL, PL/1, Pascal, C, PROLOG, Ada, C++, VC, VB, J**A, etc. The most commonly used and well-known C language is the only one, but even C language with assembly and high-level language characteristics still has its shortcomings.

After analyzing the operating system used by Microsoft, Su Yichen found that the computer languages ​​used by him were complex and diverse. Among them, there are not only the common C language, but also more than ten languages ​​such as C++, C#, Visual Basic, Jscript, PHP, etc. The various languages ​​have templates according to their different requirements of their uses, underlying layers, interfaces, etc., and then combined as a whole to form the entire operating system. This is somewhat similar to the modular project used by Su Yichen and others when developing the Galaxy Mega Machine Project. The advantage of this is that they can use various types of computer languages ​​to combine them to give full play to their advantages, and also shorten the time for development and programming, improve efficiency, learn from each other's strengths and weaknesses, thus forming a complete system.

But the problem is that its disadvantages are also very obvious. The combination of different computer languages ​​will definitely not achieve a complete effect. Moreover, during the operation and switching of languages, the system must reserve some resources for allocation, which also affects fluency and increases resource loss. What's more serious is that due to the huge project volume, there will be countless vulnerabilities between templates (modules), which is also a reason why Microsoft's operating system has been criticized for its many vulnerabilities.
Chapter completed!