“… Although we have a lot of data on the Moon, we can't know for sure how it moves between the stars or how it works. In other words, we can't even imagine the orbit of the moon, so how can we calculate it? ”

Zhu Youjian listened to the explanations of these scientists, and suddenly became a little dazed, and he began to rack his brains to recall his poor astronomical knowledge, trying to figure out how to calculate the orbit of the moon.

When Zhu Youzhen was thinking, Luo Yagu took the opportunity to say: "Your Majesty, according to the observation data of the moon in our hands, we believe that the moon revolves around the earth, and it is correct that all things revolve around the earth..."

Li Zubai immediately retorted: "What you said is not right, the change of the lunar image of the synodic moon can completely prove that the earth and the moon are moving around the sun..."

Luo Yagu said with a smile: "According to what you said, it should not be that the moon and the earth revolve around the sun, and at the same time, the moon should also revolve around the earth. If, according to you, the moon is not a watery poplar... Well, that's ridiculous. ”

At the last moment, Luo Yagu finally remembered who else was standing in front of him, and swallowed the word back into his stomach.

After witnessing the experiment of the Earth's rotation, the Jesuit missionaries were forced to admit this fact, but they tried to justify geocentrism in order to protect their faith.

Luo Yagu and others seized on the fact that the moon orbited the earth in an attempt to win back the Chinese emperor's support for heliocentrism.

Regarding Luo Yagu's statement, Li Zubai was obviously dizzy, and he thought about what went wrong. When Wang Zheng was about to come forward to calm the argument between the two, Zhu Youzhen finally spoke.

"Why not? The Moon may just orbit the Earth, the Sun, and even distant stars. ”

"Your Majesty!" Whether it was Luo Yagu or Li Zubai and other scientists, they all shouted in panic, and they were a little at a loss for the emperor's statement.

Whether in the East or in the West, under the system of divine monarchy, the laws of the heavenly bodies represent a manifestation of the order of the earth.

The Holy See advocates the geocentric theory, which in fact tells the world that no matter how many emperors there are in the world, they are ultimately the guardians of the Holy See.

In the East, China, although it is not painted with the mystery of the Holy See, the emperor, as the son of heaven, has always spared no effort to maintain his supreme position of power.

In a country where "there are no two days and no two people", it is obviously politically incorrect to talk about the moon moving not only around the earth, but also around the sun at the same time.

However, Zhu Youzhen himself did not realize this, he picked up a book with great interest, then let it fall freely, and then explained: "Everyone, what do you see from this phenomenon? ”

Everyone couldn't understand the emperor's strange behavior, and they all fell into a daze, and Wang Zheng had to ask tentatively: "The book fell to the ground?" ”

"Yes, the book fell to the ground, but why did the book fall down, instead of up and to the left..."Zhu Youzhen plagiarized without hesitation, the great Sir Newton's gravitational theory.

Scientists, who were still struggling with the political incorrectness of the moon's trajectory, immediately began to think about the hypothesis proposed by Chongzhen.

"Any two points of mass are attracted to each other by a force in the direction of the concentric line. The magnitude of this gravitational force is directly proportional to the product of their masses and inversely proportional to the square of their distance, independent of the chemical composition of the two objects and the type of medium in between. ”

Although this hypothesis seems perfect, the scientists present still cannot understand how this hypothesis came to be.

Luo Yagu asked the emperor uncertainly: "Your Majesty's assumption is not from Kepler's third law?" ”

Although Zhu Youzhen knows the law of gravitation, it is thanks to the cramming education in middle school, and it is obviously an impossible task for him to deduce this conclusion.

However, he finally remembered the discovery of gravity, so he continued to put forward the concept of gravity, the conjecture of centripetal force, and the existence of centrifugal force.

In order to explain the existence of these forces, he had to continue to postulate: the law of inertia, the law of acceleration, the law of action and reaction, the three laws of motion.

When the scientists drained the memory of the pitiful physical knowledge in the emperor's head, they immediately left him behind and fell into the discussion among insiders.

Zhu Youzhen was very entangled in finding that he had obviously told them these physics knowledge, but he didn't understand what they were discussing. Sure enough, there is no common language between the top students and the scumbags.

When Zhu Youzhen was entangled, he suddenly realized that he had just assumed that he had just spent half his life studying the great Sir Newton, the three laws of physics and the theory of gravitation.

He began to wonder if Sir Newton would enter the monastery and become a common priest because he had nothing to think about.

In the face of new scientific knowledge, the missionaries such as Roya Valley once again forgot their mission, and they could not wait to test these hypotheses put forward by the emperor. If the emperor's hypothesis can be true, then mankind's understanding of the laws of celestial motion will stand on a new level.

Li Zhizao finally realized that the emperor was still waiting on the side, he withdrew from the discussion with everyone, and said respectfully to Chongzhen: "Your Majesty, if the hypothesis proposed by Your Majesty can be proven, then calculating the trajectory of the moon is only a mathematical problem. ”

Zhu Youzhen looked at the scientists who were still discussing on the side, and said with a relaxed expression: "I believe that with the hard work of the academicians of the Academy of Sciences, it is not difficult to prove these hypotheses, and I will look forward to the good news of the Academy of Sciences." ”

Zhu Youzhen had no intention of disturbing the serious and intense discussion of these scientists, and he did not want to become a humanoid popular science dictionary, so accompanied by Li Zhizao, he went to a classroom prepared in Guozi Prison.

In order to cultivate the students' interest in the natural sciences, he will personally take the stage today and complete several small experiments for these students.

One is the combustion experiment, which shows that burning a candle on an open countertop and in an air-insulated glass shows that combustion is a chemical reaction that needs to react with certain substances in the air.

The other is the Torricelli experiment, which uses two glass tubes about one meter long to prove that a standard atmospheric pressure is a certain height of mercury.

In the era when there was no rubber, doing the Torry Divilry experiment made Zhu Youzhen a little frightened. But what frustrated him even more was that the students below were far more interested in the two glass tubes in his hands than in the experiment itself.

When Zhu Youzhen completed these two experiments, he asked the following students two questions. What exactly is involved in the chemical reaction of combustion? In Torricelli's experiment, where did the force that supported the mercury column in the glass tube come from?

The emperor's two questions immediately aroused the interest of these students who had just entered the university. Except for a few who entered the university with the idea of speculating on the emperor's preferences, most of them were attracted by the knowledge of the natural sciences taught by the Western missionaries.

After talking to these students for a few words, Zhu Youzhen received information from Lian Shanxiang. After calmly saying goodbye to the students, he left Yenching University with his entourage.

Out of the gate of Guozijian, Lian Shanxiang reported to Chongzhen in detail about the behavior of some soldiers in the Beijing camp to boycott the canteen.

Zhu Youzhen rode on his horse and subconsciously asked, "How does Governor Yu plan to deal with this matter?" ”

Lian Shanxiang carefully controlled his mount and said cautiously: "Governor Yu said that these sergeants who came out to make trouble are only a few hundred, and most of the soldiers in the Beijing camp still support the current canteen system. He suggested that it would be better to disperse by force and to arrest the troublemakers and punish them. ”

Zhu Youzhen frowned, and said disappreciatively: "Disperse them, and the problem will disappear?" There's a reason why these soldiers quit eating the cafeteria, right? ”

Lian Shanxiang immediately replied: "According to Wu Xuanjiao, the main cause of the trouble this time is the sergeants with families, because after the monthly ration distribution was changed to the canteen system, these sergeants could not support their families.

However, the reform of the salary system for non-commissioned officers has not yet been completed, and non-commissioned officers who have served beyond the five-year service period have not yet received their salaries after the reform, so there have been incidents of boycotting canteens.

Of course, we also found that some officers played a very bad role in this incident. ”

Zhu Youzhen pondered for a while, and then said, "Let these sergeants send representatives to negotiate with Wu Xuanjiao." My opinion is that we should pay the salaries of non-commissioned officers as soon as possible, and that we should consider making advances to the salaries of non-commissioned officers with families.

As for the management of the expenses of the canteen, the soldiers of the Beijing camp can be allowed to nominate representatives to conduct inspections, settle the accounts once a month, and divide the remaining food expenses equally.

After the matter subsides, the soldiers who took the lead and the officers who are behind the scenes, let them retire. ”

Lian Shanxiang nodded in agreement, then turned his horse's head and headed towards the camp in the northern suburbs outside the city.

After Zhu Youzhen walked forward for a while, he called Wang Chengen behind him and said: "After returning to the palace, send someone to tell Xu Xingsheng that since this spinning and textile factory has almost been prepared, let's recruit female workers first." First recruit the families of military personnel, and then recruit the insufficient part to the civilian population..."

Zhang Jinquan and the Wang brothers sat stiffly on a bench at the stock exchange, their faces like ashes. Since yesterday, the stock of Xishan Glass Factory has begun to fall. Zhang Jinquan thought that this was still the same as the previous times, but it was just a means to suppress and absorb chips, so he took the Wang brothers and borrowed silver taels from the exchange to buy them with the stocks in his hands as collateral.

But this morning, the stock price fell by a third, and he lost all his profits these days. By the afternoon, when he wanted to sell it, the stock price had fallen to a miserable level.

Zhang Jinquan only calculated a little, and knew that he had lost about 50,000 taels, and the Wang brothers had lost at least 2 or 30,000 taels, and this stock exchange was even more dangerous than a casino.

When everyone in the stock exchange was wailing, Taining Hou Chen Wenli's mood was unusually good, if it weren't for the nobles sitting next to him who were depressed because of the loss of money, he would have the interest of singing.

Chen Wenli found that he seemed to prefer to watch these people lose money by speculating in stocks rather than the fun of making money.