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340 Class (seeking monthly pass)

It is basically impossible for an emperor to be humble, not even in this life!

It is a common fault of emperors to like to be a teacher!

Being able to prove that you are wise and powerful is the joy of being an emperor!

At this time, Emperor Chongzhen heard Li Dingguo's request, thought for a moment and said with a smile: "It's accurate!"

When Li Wenxiu and Yuan Zhuangfei heard this, they thought about it too, and quickly mentioned it, and Emperor Chongzhen agreed again.

Zhou Yuji, on the other hand, had served Emperor Chongzhen for the longest time. He had heard a lot and probably understood what steam engines were about. Moreover, his interest was in military affairs and he did not get involved in it.

After that, Emperor Chongzhen finally got back to business and told the generals about Sun Chuanting's strategic plan, and then said to Zhou Yuji: "Now the Henan War is about to begin, but the Jinyi Guards Supervisory Army is seriously insufficient, and there is no time to familiarize the new Jinyi Guards Supervisor.

. Therefore, all the Jinyi Guards and Supervisors in the Beijing Camp will be mobilized and sent to the Fifth Battalion of Gezuo. In addition, the Beijing Camp must also be prepared. If the war does not go well, reinforcements will be sent south!"

Since it was decided last year that a large number of Jin Yiwei would be deployed in the army to supervise the army, the manpower of Jin Yiwei has become increasingly insufficient. In particular, the commander of Jin Yiwei, Li Ruolian, has transferred a large number of people south to the governor of Baoding to assist in the reorganization of the army. Those who stayed in the capital

There are not many Imperial Guardsmen left.

The Jinyi Guards and Supervisors in the Beijing Camp were already familiar with how to be a good Jinyi Guards and Supervisors. Therefore, Emperor Chongzhen decided to transfer these troops and send them to the Fifth Camp of Gezuo.

As for the money and food needed for the war, Emperor Chongzhen decided to adopt Liu Weichao's suggestion. For the sake of the Ming Dynasty, when it was time to risk his life, he should risk his life. Emperor Chongzhen already knew in his heart that he had once been the king of subjugation.

, there is nothing to be embarrassed about.

Therefore, he named Wang Chengen again and asked him to send people from Xichang to carry out this money and food decree.

Li Dingguo and Liu Wenxiu on the side were shocked when they heard this. They once again met the current emperor, who was really different from the legend!

After receiving the order, the Xichang squadron of the brigade, as well as more Jinyi guards and supervisors, rushed out of the capital, and a big battle was about to begin.

However, there is no atmosphere of war here in the capital, and it will be as it should be. The people of the capital, especially the scholars in the capital, are most concerned about the fact that the Emperor of the Imperial College personally taught classes on this day.

Of course, the biggest gimmick for being so concerned is that the emperor personally teaches!

In addition, the content of this lecture was laid out first and placed there.

Sometimes, science is charming, especially those sciences that are close to public life.

Forget about the highbrow ones, calculus, conjectures, etc. No one will care about that!

However, steam trains are already running in Beijing and Tongzhou, and will also run to Tianjin in the future.

The speed of this train and the weight it could pull were beyond the imagination of people of this era.

As long as steam trains have been running, there have been discussions about steam trains!

Even cement roads. Countless people who set foot on cement roads will be curious about how the material under their feet is made. Stone is not stone, and mud is not mud. Why is it not afraid of being soaked by rain?

There are so many doubts in normal times, and then because the Imperial College students have to pass an exam to select 50 students, more and more questions about the problems encountered in daily life have spread.

For example, the problem of slippery roads, the problem of hitting people, etc.

Most of these problems may just be like this in normal times. Subconsciously, they feel that they are just like this, very ordinary and nothing!

As a result, someone asked a question. I thought it was easy to answer the question, but when I really wanted to answer it, I found that the question seemed unanswerable!

Of course, there are also many people who try to use their own understanding to answer these questions in the most common phenomena.

Whether it is a scholar in the library, a farmer with his back turned to the sky, a rich lady hiding in a boudoir, or a child laughing and playing, in short, no matter who they are, they can discuss these issues anytime and anywhere.

.

It can be said that these issues involving the most basic life have the highest level of participation!

In addition, there is a very nice word for the behavior of trying to answer this question, which is advocated by the sages, and that is the investigation of things!

This makes this matter become high-level again, making people want to try to explain these problems consciously or unconsciously.

In short, in this scientific craze started by Emperor Chongzhen, it can be regarded as the one with the highest number of participants.

Emperor Chongzhen's lecture will answer these questions. Therefore, except for the fifty supervisors who can attend the lecture, everyone else is also paying attention to the content of this lecture.

When Emperor Chongzhen was about to give a lecture, a large group of factory guards arrived at the Imperial Academy to enforce martial law. Except for the fifty people attending the lecture, everyone else avoided them.

However, places outside martial law, especially places suitable for discussion, such as restaurants and teahouses, are full of people, discussing relevant issues and waiting for answers.

"By now, the process at the Imperial College should have started, right?"

"Those people are really lucky to be able to listen to the emperor's personal explanation!"

"Hey, do you think the emperor really knows the truth about these issues?"

"Isn't this nonsense? The emperor doesn't even know about it, is it possible that you still know about it?"

"Isn't it true that these knowledge are related to Emperor Taizu's apparition? It is knowledge that only immortals can understand!"

"I don't care about anything else. I just want to know where the train's power comes from?"

"..."

Amidst the discussion outside, Emperor Chongzhen has indeed arrived at the Imperial College. In the classroom, there are military guards in golden clothes standing on both sides of the classroom. On both sides of the podium, there are also Generals Hengha, no, Liu Wenxiu and Li Dingguo are standing. Of course.

There were also several eunuchs from the Bureau of Ceremonies, including Wang Chengen.

These Imperial College students were old and young, but they all had one thing in common. They had never experienced such an occasion before, and they were all a little excited and a little trepidatious.

Beyond that, they're a little weird.

Because on one side of the podium, there is a stove with a kettle on it, boiling water!

This should be the attitude of an emperor. He should drink hot water and cook it freshly when going out!

Emperor Chongzhen was on the podium, looking at the supervisors below. He did not put on a majestic posture, but acted like a kind king and father. He smiled and asked: "Today I will tell you a principle of energy conversion, and this is also

The reason steam trains are so powerful!”

"What is energy conversion? To give a very simple example, when you walk, you have kinetic energy, when you fall from a height, it is potential energy, and when you make a fire or cook something, it is thermal energy..."

Next to him, Li Dingguo pricked up his ears and listened carefully. Listening to those unfamiliar words, his intuition told him that this was good stuff and the key!

Kinetic energy, potential energy, thermal energy? Is there also cold energy, static energy, and low energy? This energy seems to be very profound!

Emperor Chongzhen was talking and they were listening.

After a while, the water in the pot boiled, and steam came out from the spout.

Seeing this, Emperor Chongzhen smiled and pointed at the kettle with his hand, and said to them: "I just talked about a lot of energy, and this energy can be converted into each other. I ask you a question, if the spout is blocked, what will happen?

What's going on?"

Upon hearing this, it seemed very simple. When these supervisors saw the emperor's amiable expression and wanted to show off in front of the emperor, they raised their hands one after another.

Emperor Chongzhen ordered one at random, and heard the Imperial Academy student stand up excitedly and reply: "Student Niu Youdao, the student thinks that if the spout is blocked, the gas will no longer come out of the spout!"

"..." Emperor Chongzhen did not expect such an answer. It seemed right, but it was not the answer he wanted, so he asked again, "Where does the anger come from?"

Upon hearing this, most of the Imperial College students were stunned. Aren't they all choked up and still getting angry?

As a graduate of the Imperial College, most of them come from well-off families. In daily life, they are served by servants. When they go to the kitchen, they naturally never see the process of boiling water.

However, both Li Dingguo and Liu Wenxiu came from poor families. During the Southern and Northern Wars, before they emerged as soldiers, they did it themselves. Therefore, they had seen boiling water many times.

Seeing that the scholars in the Imperial College could not answer this question, and Li Dingguo was immersed in this question, he answered the question casually: "It will take off the lid of the pot to let out steam!"

After hearing this, Emperor Chongzhen glanced at him, nodded and said: "Li Qing is right, then let Li Qing plug the spout of the pot!"

After hearing this, Li Dingguo took it easy. He went up and stuffed a special spout stopper placed next to the teapot onto the spout.

Sure enough, after a while, the lid of the pot was pushed open by steam, and the steam did come out of the lid.

So Emperor Chongzhen ordered another supervisor, who looked weak, to press the lid of the pot to prevent the lid from steaming up.

As a result, under the watchful eyes of everyone, the supervisor was unable to complete what Emperor Chongzhen told him. He blushed with shame and quickly explained to Emperor Chongzhen: "Your Majesty, the student is ashamed. I don't know why, but there is something inside that is pushing the lid hard!"

"

Emperor Chongzhen did not blame him, but ordered others to feel the power of the steam, even Li Dingguo and Liu Wenxiu.

Finally, when he saw that they were all waiting for his explanation in surprise, Emperor Chongzhen smiled and said: "This is the conversion of energy, the conversion of thermal energy into kinetic energy, which also involves the transformation of liquid and gaseous states, and the change of molecular structure.

Different, the knowledge of steam pressure. What you feel before your eyes is the operating principle of the steam train. But this is very simple, and there is a lot of knowledge used in the steam train..."

When talking about this later, almost everyone who heard it for the first time opened their eyes wide in surprise, looked at the boiling pot, and thought one by one, they didn't expect that there was such a great knowledge in it.

It has such a great effect after getting up!


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