After the consultation of Tai Hospital, Mei Chun did not hurt her internal organs.

Left forearm bone cracked, elbow dislocated, two broken ribs, a large abrasion on the cheek, in general, all trauma.

Only then did Zhu Qizhen put his mind at ease, he fell from a high altitude, and he was still alive, which was really lucky.

"Flying from Nanjing, don't you want to die?"

With a guilty smile on her face, Mei Chun said: "On a whim, the student shocked the holy driver, and I hope that the emperor will forgive the sin!" ”

"Alright, don't say anything!"

Zhu Qizhen waved his hand and said, "I will find you a place to live, you can recuperate with peace of mind, and then ......"

Mei Chun was about to thank him, but found that the emperor was halfway through his words and suddenly stopped.

He didn't know why, but he didn't know what to do.

"You wait, wait! Wynne, take care of people! ”

Zhu Qizhen threw down a sentence and left in a hurry.

Mei Chun scratched her head, but she accidentally dragged the injury on her arm, and grinned in pain.

Huai En hurriedly stepped forward and said, "Mei Gongzi, what's wrong with you?" Let's go and ask the doctor for you! ”

"No, no!"

Mei Chun hurriedly waved her hand, and then asked, "May I ask my father-in-law, what is the emperor...... What do you mean? ”

Wynne shook his head helplessly and said, "We don't know either. ”

After about a cup of tea, I saw Zhu Qizhen dragging Belin and hurriedly walking.

"That's the man!"

Zhu Qizhen stretched out his hand and pointed, and Belin stepped forward with curiosity on her face and asked, "Can Kong Ming Lantern really carry people?" ”

Mei Chunmu nodded sneeringly, and just as she was about to reply, Belin was already impatient to ask, "How to control the ascent altitude and flight direction?" ”

"This ......"

Mei Chun hesitated for a moment, and then said: "In fact, it is to magnify the folk Kong Ming lantern ten times, heat it with lamp oil, and it can rise, and it can be extinguished when it needs to land, as for the direction...... The students don't know how to control it for the time being, and it depends on the direction of the wind, but the wind direction in the high altitude is very different from that on the ground, and the air currents are flying back and forth, and it is all up to luck to fly anywhere. ”

Belin asked, "What material did you use?" ”

"The top is cowhide, and the bottom is made of rattan."

"Is the process of making it difficult?"

"It's not that hard...... Hiss! ”

Mei Chun shook her head slowly, but there was a wound on her neck, and she couldn't help grinning.

“…… The cowhide needs to be made of high-quality materials, and the joints should be sewn tightly, and the rest is nothing. ”

Belin turned around and said, "Your Majesty, it's feasible!" ”

Zhu Qizhen nodded and said, "Without further ado, immediately set up the Kong Ming Lantern Research Institute, and first make a batch of samples to see how the effect is." ”

"Yes!"

Belin turned to leave, walked to the door and turned back, and said, "The Academy of Sciences has moved to the new base in Xishan, and this person's injuries are ......."

"Carry it to the West Mountain and raise it, you are responsible!"

Zhu Qizhen did not hesitate at all, and was not willing to wait even a second.

Because he has realized what strategic value Mei Chun's manned Kong Ming lantern has.

With an average altitude of more than 4,000 meters, it is difficult for conventional combat methods to be effective, and even if they win in the end, they will pay a great price.

But who says it must be attacked from land?

"Yes!"

Belin hurriedly went down to make arrangements, but Mei Chun was a little misty and didn't know what to do.

Zhu Qizhen confessed: "The Qing family suffered a little, so they went to Xishan to recuperate first, and they were mainly responsible for the guiding work in the early stage." ”

"Ah......h

Mei Chun was even more confused, with question marks on her face.

Seeing this, Zhu Qizhen asked, "What other questions does the Qing family have?" ”

Mei Chun thought for a long time, and then said: "Your Majesty, the student missed the Spring ......"

"What are you still doing, go directly to the Academy of Sciences for appointment!"

Zhu Qizhen waved at him, for such a talented player, he should have been admitted exceptionally.

Mei Chun said cautiously: "This ...... Not suitable, right? ”

"Aren't you the one who should be lifted by Tianfu?"

"Yes......"

"It's enough to raise people, besides, the Academy of Sciences is different from other yamen, even if you don't have a reputation, you can still serve!"

Mei Chun still wanted to ask something, but seeing the emperor's impatient look, the words came to his mouth and swallowed back.

Then he saw a group of people rushing in, also carrying a stretcher......

The Kong Ming Lantern Research Institute of the Academy of Sciences was urgently established in the new base in Xishan.

The head of the institute is none other than Mei Chun, and the members are personally selected by Belin.

Even Belin herself withdrew from the power lab and devoted herself to the research and development of Kong Ming lanterns.

In fact, the production process of Kong Ming lantern is very simple, folk paper can be made, and the Kong Ming lantern made by the Academy of Sciences is used for other purposes, which requires leather.

Soon, most of the cowhides on the market were swept away, and the cowhides were gone, so they bought sheepskins and even dog skins, and finally, even the old shops selling donkey skin Ejiao were cut off.

Next, there is the key to this research, the upper-air current.

The ancients began to study the weather very early, and Mei Chun found many similar books when he was copying ancient books.

For example, Zhuangzi of the Warring States period proposed that the formation of wind was due to the influence of air flow, and mentioned that sunlight and wind could evaporate water, further affecting the direction of the magnitude of the wind.

During the Qin Dynasty, a legal system was formed, and all localities had to report to the imperial court on the rain situation, as well as the area of heaven and earth affected by rain or meteorological disasters.

In the Han Dynasty, during the period of Emperor Wu of the Western Han Dynasty, the "24 solar terms" were incorporated into the Taichu Calendar, as a supplement to the calendar to guide agricultural affairs, and the solar terms were measured in the Yellow River Basin by the Guibiao shadow method.

In the book "On Balance" by the Eastern Han Dynasty philosopher Wang Chong, it is pointed out that the formation of thunder and lightning is related to the heat of the sun and the seasons, and that thunder is caused by explosions.

During the Three Kingdoms period, people further grasped the relationship between the solar terms and the movement of the sun, and Zhao Junqing's "Zhou Ji Sutra" introduced the "Seven Balances and Six Diagrams", which theoretically explained the relationship between the 24 solar terms and the movement of the sun.

During the Jin Dynasty and the Jin Dynasty, "Xiangfeng Woodbird" and instruments for measuring wind direction prevailed, and Jiang Qi pointed out that the floating clouds close to the ground could make the visual distance between the stars smaller and make the morning and sunset reddened when the stars rose. Zhou's "Tale of the Wind and Soil" proposes the concept of rainy season.

Jia Sixian's "Qi Min's Technique" in the Northern Wei Dynasty fully discussed the impact of meteorology on agriculture, and put forward the methods of using smoke to prevent frost and snow to kill insects and protect moisture; The Northern Wei Dynasty calendar "Zhengguang Calendar" included the seventy-two climates in the almanac; Liang Zongyi's "Chronicles of the Year of Jing Chu" of the Southern Dynasty divides the coldest and hottest seasons of the year.

During the Sui and Tang dynasties and the Five Dynasties, Wang Bing divided the climate of the Central Plains according to the region, and Du Taiqing's "Jade Candle Treasure Book" excerpted the solar terms, government decrees, agricultural affairs, terroir, allusions, etc. contained in the previous books of the Sui Dynasty, and preserved a large number of agricultural meteorological texts, Li Chunfeng's "Yi has occupied", which recorded the structure, installation and usage of the anemometer.

The Song Dynasty had a richer and more detailed understanding of meteorology, and was more accurate in predicting and calculating rain and snow.

The Northern Song Dynasty geographer Shen Kuo's "Mengxi Writings" covers meteorological topics such as Emei Baoguang, lightning, thunder axe, rainbow, Dengzhou sea market, sheep's horn whirlwind, bamboo fossils, tile frost painting, hail shape, boating method, vertical climate zone, weather forecast, etc.

The Southern Song Dynasty Shaoxing Wine Qin Jiushao's "Nine Chapters of the Book of Numbers" lists four formulas for measuring rain and snow, explaining how to measure the depth of rain and snow on flat land.

Then to the late Yuan Dynasty and early Ming Dynasty Lou Yuanli wrote the book "Tian Family Miscellaneous Occupation", which is divided into three volumes: upper, middle and lower, and the upper volume is recorded from the first month to the twelfth month, and the account is recorded by day every month. The middle volume is divided into categories according to celestial phenomena, i.e., the sun, moon, stars, atmospheric optics and cloud changes, and objects, i.e., birds, beasts, grasses, trees, fish, mountains, water, tides, etc., and uses a large number of weather and meteorological proverbs to predict the evolution of weather, climate changes, and agricultural abundance. The next volume is Lent, Liujia, Climate, Juanji, Xiangrui and so on.

There are more than 500 accounts in the whole book, such as the ground is wet, the water droplets are like a pop, and the main rainstorm is made; If the northwest wind dissolves, there is no rain; When the sycamore flower is born, the red is mainly dry, and the white is mainly water; Etcetera.

These records reveal some laws of weather and climate change from different aspects, and most of them have a certain degree of science and accuracy. And quotes a large number of exquisite proverbs, such as "Although the upwind opens, the downwind does not disperse, and the main rain." That is, although the clouds in the upwind direction have dispersed, but the clouds in the downwind direction have not dissipated, indicating that it will rain. The movement of clouds is used to illustrate the amplitude of the upper-air current, and the method is ingenious and the conclusion is correct.

The greatest value of this book is that while recording the weather, it systematically explains the formation of convective weather, and proposes the original principle of wind, which is believed to be the heat of the ground and the rise of air currents by solar radiation. It also recorded various weather averages such as sea breeze, land breeze, typhoon, annual and diurnal range calculation methods, atmospheric phenomena and other atmospheric phenomena.

After transcribing a large number of ancient books, Mei Chun summarized a complete set of air convection-related experience on the basis of his predecessors and recorded them in a book.

In the past few days of wandering in the sky, he has not been idle, and the main job of the day is to record.

In this way, he is the first person to personally measure air convection throughout the ages.

After coming to Xishan, Mei Chun was mainly responsible for technical guidance due to injuries and inconvenience.

Belin personally led a group of people to study the air flow and how to control the height and orientation of the Hung Ming lantern every day.

The first batch of samples was quickly produced, but it was much smaller than the one made by Mei Chun, not to mention carrying people, even if it was difficult to carry a dog.

Mei Chun was a little puzzled at first, but then thought about it, since it was a sample, it should only be for testing.

"The first batch of Kong Ming lanterns are ready for test flight!"

"Yes!"

Mei Chun saw that someone came out with ten Kong Ming lanterns, one group of people was responsible for recording, and the other group of people began to operate.

They first hung a brick at the bottom, and after checking it, they started to ignite it.

As the flames in the lamps became more and more vigorous, slowly, ten lamps flew up one after another.

"Report, No. 1 deviates!"

"Number Two Deviation!"

"Number Three deviates from ......"

For some reason, the lights kept drifting away from the expected direction.

Belin sighed and said, "Take notes." ”

Mei Chun slowly stood up from the rattan chair and said, "Dean, the airflow is unstable now, and the deviation is normal. ”

"You're right, the air flow is unstable right now, but ......"

Belin shook her head and said, "That's what we're going to overcome!" ”

Mei Chun asked: "The higher the altitude, the more disordered the airflow, and sometimes there is no rule to follow, which is also no way." ”

"There is no way, and you have to find a way!"

The first batch of samples all deviated from the expected position, and the experiment ended in failure.

Belin took someone back, took out the pre-settings and on-site records, and carefully compared them to find the problem.

For some reason, Mei Chun was a little depressed in her heart.

Because the previous theory was put forward by himself, none of the ten lamps in the first experiment now met expectations, which made him feel a sense of frustration of failure.

"Mei Chun, come and talk about it!"

"Huh?"

Mei Chun was in a daze, and was suddenly named by Belin, and she didn't react.

"Judging from the records, the wind direction is a bit unusual today, what do you think is the reason?"

"If the wind is ......"

Mei Chun retracted her thoughts and thought about it seriously.

"I think it has something to do with yesterday's heavy rain."

"Oh? Tell me more! ”

"After the rainstorm, there is water on the ground, and the sky begins to evaporate, and the speed of evaporation is related to the sunlight and wind, and the weather is very sunny today, and the water evaporation rate must be extremely fast, which affects the wind above......

Mei Chun explained, and the other students quickly recorded and kept nodding.

Belin listened carefully and said, "Can such a wind direction and size be predicted?" ”

"Theoretically, yes, but, at our current level, we can only roughly predict."

"You can modify the plan and conduct a second experiment in the afternoon!"

"Good!"

Mei Chun took the original plan and made corresponding modifications and adjustments according to his own understanding.

He is the only person who has personally gone to the sky, and these experiences are almost exchanged for life, and there is no substitute for others.

Two hours later, the second test began.

This time, it was again ten lights, each with a marked brick hanging underneath it, and it began to rise into the air.

Mei Chun's eyes were firmly fixed on the trajectory of these lights, and her heart was extremely nervous.

"Report, Number One Deviation!"

Mei Chun chuckled in her heart, and she was biased again!

"Number Two Deviation!"

"Number Three deviates from ......"

Every time someone reported a deviation, Mei Chun felt a little frustrated, and he even wanted to operate it himself.

"Five is in the expected orbit!"

The audience suddenly shouted, it's done!

Finally, a light travels along the intended route and enters the target area.

At this moment, Mei Chun was moved and wanted to cry.

As the so-called scholar dies as a confidant, thinking that he was summoned by the emperor, from an unknown student, thanks to the grace of God, he copied books in Nanjing, came into contact with a large number of ancient books and unique books, and then sat on the Kong Ming lantern and came to Beijing after life and death......

When he was in heaven, he was even ready.

Prepare to fall to pieces, and there are no bones left.

At that time, the only belief in his heart was that he hoped to see the emperor again.

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