People have a strong ability to think and create, even if it is an ancient person, Chen Mu deeply realized this truth in Qin Tianjian.

The three things that inspired him made Chen Mu still immersed in shock on the way back to the palace with Wanli's halogen book honor guard.

One of them is the huge water transport armillary sphere of Qin Tianjian, driven by water power, like an armillary sphere, half inside and half outside, turning around day and night, but the ball is not a map, but a celestial map. There are hundreds of parts in the whole mechanism, and the project is huge.

In addition to the piston and steamer, Chen Mu could find all the parts including crankshafts, gears, and connecting rods in the strange-looking large steam kiln of the Nanyang Ordnance Bureau on the wall.

Listening to the Qin Tianjian named Zhang Yinghou said that in ancient times, there was a more excellent water transport instrument statue platform in the Northern Song Dynasty, and the prime minister Su Song gathered the "armillary sphere" of celestial measurement and the "armillary image" of observing the movement of celestial bodies together, and made a three-layer hydraulic machine, the lower level of timing, the middle layer of observation of celestial bodies, and the upper level of celestial body measurement, the machine was plundered to Yanjing by the Jin soldiers during the Jingkang disaster, and was discarded after 87 years due to the inconvenience of transportation due to war.

Since then, although Su Song left the "New Ritual Image Law", it has never been restored, Zhu Xi said: The most urgent place must be the creator's secret section, and he does not want to tell people.

The ancients who praised the little emperor were not Su Song, but Guo Shoujing of the Yuan Dynasty, who made the "Time Calendar". In fact, the calendar "Datong Calendar" used in the Ming Dynasty was that Kublai Khan's "Time Calendar" changed its name and deleted the accumulation of errors in past years.

After obtaining the consent of Kublai Khan, Guo Shoujing and others established 27 test stations in a vast area of more than 6,000 miles from east to west and more than 11,000 miles from north to south in the territory of the Yuan Dynasty, conducted a national survey called the Four Seas Test, and invented a series of astronomical tools, and finally produced the "Time Calendar" applicable to the whole country.

The process and technology contained in it were said by Zhang Yinghou, a small official of Qintianjian, but obviously, neither Wanli nor Chen Mu could understand it.

Chen Mu's mind could only let him remember one result, Guo Shoujing calculated that the length of a year was 365 days of abdication and 2425 days - ancient China has always used the decimal system, the abdication is a decimal point, and the interval is a zero after the decimal point, that is, a year is 365.2425 days.

Chen Mu didn't know how accurate this calculation was, he only knew that before he came to this world, the length of a year was about the same as this number.

To talk about the third point is actually the most important, Chen Mu found that the little emperor can think independently.

When the little emperor walked up to Luan to drive back to the palace with his hands behind his back, his nose was not his nose and his eyes were not eyes and asked Chen Mu: "Jing Haibo, why do the people of Qin Tianjian know that the solar eclipse is the meeting of the sun and the moon, but the courtiers want to teach me, saying that the solar eclipse is the emperor's improper measures and the Son of Heaven is immoral?" They know it! ”

Chen Mu, who rode a horse and followed the guard of honor in the Lu book, was thinking about Wanli's character until he entered the palace, in fact, he still didn't understand what kind of character the little Wanli in front of him was, they had too little contact, Zhang Juzheng protected the little emperor as a baby, except for Zhang Juzheng, Empress Dowager Li, and Feng Bao, no one in the world could see the emperor every day except for the court meeting.

He was no exception, returning to Beijing for more than half a month, and this was the second time he had seen the little emperor.

But he vaguely knew what Wanli looked like in history, sent a central official to work as a mine supervisor, fought the three major expeditions of Wanli, and was famous for his neglect of government.

It is not surprising that the emperor took passive measures after discovering the fact that the courtiers were corrupt and desecrated to the emperor, rarely attended the court, rarely received ministers' instructions, and rarely attended the banquet lectures.

However, from another point of view, some of this is due to external factors, and some are related to personality, at least in Chen Mu's impression, the Emperor of the Zhu family has never lacked brave men, not to mention that it is Emperor Taizu Zhu Yuanzhang, Zhu Di, who traveled thousands of miles to Nanjing just to usurp the throne, Zhu Shou, the chief military officer who beheaded the first-level military officer in Yingzhou, or Wanli, who even the ancestors of heaven and earth rarely worshipped.

Since Xiaowanli's sentence 'they know it clearly', Chen Mu only felt that the young emperor of the empire really lacked the concept of fear, which most people have.

He was often punished and kneeled, but he was not afraid of being punished and kneeling.

This child has the ability to think independently, is not hindered by external objects, he accepts external criticism and education, and he has another set of rules of conduct formed according to the perception of likes and dislikes in his own heart.

Repeated teachings are about the most headache for Empress Dowager Li and Zhang Juzheng.

Outside the palace gate, Chen Mu frowned left and right when he turned over and dismounted, summoned a brocade robe, and asked him to pass a word to the Chen Mansion, and then he followed the Lu Bo guard of honor into the palace, the little emperor was not in a good mood, he had to think of a way.

Qin Tianjian's biggest official position is only five grades, and a nine-rank and five-official priest like Zhang Yinghou is already a chief official on one side.

In the past, Qin Tianjian was a lowly and powerful person, but since he miscalculated the hexagram in the civil fort, no one has been waiting to see him since. Wuzong is ridiculous, Jiajing believes in Fangshi, Longqing is benevolent but has the protection of Gao Gong, and in the Wanli Dynasty, there is Zhang Juzheng and Qintianjian? I have long forgotten about my grandmother's house.

In fact, if Chen Mu hadn't mentioned cartography and measurement a few days ago, Xiao Wanli wouldn't have known that there was still this department in the imperial court, so he came to take a look and asked what the situation of the solar eclipse was.

Follow the emperor into the palace forbidden, shuttle through the Forbidden City, until the emperor's halogen book honor guard stopped, and they dispersed, only a few Han generals, brocade clothes, and eunuchs followed, Chen Mu saw the little emperor wearing a sun and moon robe and a golden silk winged crown humming a tune from nowhere, and a person is currently swaying and swaggering, it seems that he is planning to walk all the way back to the Qianqing Palace.

Qianqing Palace is the main hall of the inner court, Chen Mu can't follow him without permission, he seems to have forgotten that there is such a person as him, so he had to cough and remind the emperor who was strolling in front.

"Huh?" The little emperor frowned, looked unkind, stopped and turned his head, and when he saw Chen Mu, he was a little dazed at first sight, and blurted out, "Jing Haibo...... What are you doing when you go home with me, but the food supervisor didn't prepare a meal for you? ”

The little emperor was too absent-minded.

Chen Mu arched his hand and said, "Your Majesty, the minister is here to thank you for the grace of the knight." ”

"Oh! Yes, yes, I came to you, come, let's go. The little emperor beckoned to Chen Mu in front, and seeing that he didn't move, Xiao Wanli simply raised his eyebrows and walked over by himself, and took out his small hand from his big sleeve and pointed forward, "Go, your holy decree, I didn't write it well, I asked the officials of the Hanlin Academy, and they didn't know how to write it." I'm dizzy today, but ......"

The emperor said as he walked, raising his little face full of confusion: "What is your Oriental minister of the Beiyang Yamen for?" ”

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Concentrate:

Guo Shoujing in the Yuan Dynasty estimated that a year was 365.2425 days, and the year used in modern times is 365.2422 days, with a difference of only 25.92 seconds in a year.

The moon has a crater called Guo Shoujing Crater, and the asteroid between Mars and Jupiter in 2012 is named Guo Shoujing Asteroid.

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