In a vacant School of Bowen college, Luo Xin and Yue Yun take their seats with all of them.

Xiao Ming was standing on the platform. He looked at the people below and thought that he would live the same life as a teacher in the future.

For him, now it is his advantage to popularize scientific knowledge as much as possible.

"This school will be the school of the Naval Academy in the future. You will be called to class in the future, and you will gather here." Xiao Ming said to Yue Yun and others.

"Yes, your highness." Yue Yun and others looked excited and answered with a loud voice. How could these fishermen's children who are fishing on the sea ever think that they are qualified to attend school?

When they were young, they envied those who could study in private schools, because once they could study, it meant that they would have the hope of becoming a senior official in the future, but if they could not study, it meant that their fate would be the same as that of their ancestors, and they would only be fishermen from generation to generation.

"Naval academy? Your highness, should our artillery have an artillery academy? " Luo Xin made a fuss.

Xiao Ming said with a smile: "of course, the vacant room next door is the Artillery Academy. After Wang gives you the method of aiming artillery, you will be responsible for teaching artillery."

"That's true." Luo Xin began to laugh.

In the eyes of outsiders, this blog college is a very mysterious place, because as a college, it is guarded by guards, as well as the barracks.

Different from a small house in a private school, Bowen college has a large area. There are many vacant schools in the college, and some of them are under construction. When they passed a school just now, they saw Lu Tong talking about some strange knowledge in a school, and a group of scholars sitting below, which surprised him greatly.

Xiao Ming nods. For convenience, Xiao Ming plans to build Bowen college into a comprehensive college, which is also for the convenience of classes. Otherwise, he will just run back and forth.

Moreover, although many scholars have been admitted to the College of Bowen, the number of Qingzhou scholars is no more than a thousand.

In addition, Lu Tong, the equipment department, the mines, the military workshops, and the Navy and army in the future will only have more than 2000 technicians. In modern times, they are basically equal to the size of a secondary school.

Therefore, there is basically only one school for each major.

After designating this school as a naval academy, Xiao Ming said, "Yue Yun, you said that sailing is very simple. Then I ask you, how did you sail on the sea?"

"Along the land, of course?" Yue Yun took it for granted. He felt that Xiao Ming had something he didn't understand.

Xiao Ming gave a sneer.

This school belongs to brick concrete structure, that is, modern tile house. In front of the school, he specially asked to leave the blackboard.

Basically, this school is not much different from modern teachers. At first, the craftsmen didn't know what blackboard was. Xiao Ming came to guide the craftsmen.

In fact, the blackboard in the school is very simple. It's just a smooth cement board. Just apply black paint on the cement board.

At this time, in front of Xiao Ming is already and chalk, chalk material is limestone and gypsum.

In order to facilitate teaching in class, he specially asked people to use limestone and gypsum to make modern chalk. After all, this is not a complicated process. The cement was produced by the way.

After picking up the chalk, Xiao Ming drew a big oval on the blackboard of the school, and then sketched in the oval. Twenty minutes later, an accurate map of the world appeared in front of everyone.

"What is this, your highness? A map? A map of where? " Rosin saw that it was a map, but he couldn't tell where it was.

"This is the map of the world. This whole is called the earth. Now we live on the earth. Let me ask you another question. Do you think it's right to say that the sky is round and the place is round?"

Luo Xin grew up in the Confucian academic atmosphere when he was young. He said, "Your Highness, you are joking. According to Confucian records, in dadaili. Zengzi Tianyuan, living alone, he asked Zengzi," is it true that the sky is round and the place is round? Zengzi said, "the sky is round and the place is not round, so there is no doubt that the sky is round and the place is round."

At this time, Yue Yun was silent. He did not receive Confucian education. The people in the fishing village were illiterate, and there was no one to talk about it. He suddenly said, "Your Highness, the grass people don't know anything about classics and history, but every time we see the fishing boat coming back, we always see the sails first, and then the hull. If the land is square, how can it be like this?"

Xiao Ming smiles and nods. Luo Xin's thoughts are deeply rooted, while Yue Yun is easy to doubt because he didn't read.

"The reason you see this is because the place where we live is round." Xiao Ming gives the conclusion.

Hearing this, Luo Xin burst out laughing, as if he had heard a big joke, "Your Highness, I believe you in everything else. I'm sorry for Luo Xin's rudeness. You can't just talk nonsense about something handed down from your ancestors."When he said this theory, Xiao Ming knew that he would encounter great resistance and change the thinking of an era, which was much more difficult than building an industrial system.

Therefore, he never thought of expanding the popularity of this kind of knowledge, but spread these advanced knowledge in the school of Bowen first.

However, looking at Luo Xin's appearance, he basically understood what kind of experience he would have. Luo Xin was just a military officer. If he told those pedantic scholars, they would not want to fry the pot directly.

With a sigh in his heart, Xiao Ming said that the popularization of scientific knowledge has a long way to go. He must be patient and resist the pressure.

He said: "rosin, you know a lot, then I ask you, why do you clearly aim at a target with a gun, after firing, the impact point of the shell is always so different."

Speaking of this question, Luo Xin hesitated: "Your Highness, this is the same as the bow and arrow. The bow and arrow will always fall, and so will the cannonball. If you train more, practice makes perfect."

"You know it, you don't know why." Xiao Ming said with a smile.

Luo Xin scratched his head and said, "what's the reason?"

Although Luo Xin once studied hard in the cold window, in Xiao Ming's eyes, what he learned in the past ten years was only Chinese, so it's normal that the articles of the ancients can't be flattered by the descendants.

But the things of mathematics and chemistry are the same as that of an idiot.

Of course, the aiming principle of this gun is parabola. Today's guns basically use the aiming principle of three points and one line. No gun has a sight and a light door.

But these collimators were just for emergency, and the collimator was not accurate. The reason why he asked Luo Xin to come here was to teach him how to calculate the parabola and adjust the collimator. In this way, in the future, the place where the collimator aimed was the falling point calculated by the parabola, and he could hit it directly.

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