"The upper and lower four directions are the universe, and the ancient and modern are the universe."

In the prison of the Ming Kingdom, Chu Zhen said to the Ming monarchs: "But today, the universe we are discussing is only the heaven and earth outside the earth!" ”

Everyone was still immersed in the afterglow of traveling the world like a fairy just now, seeing the vastness of heaven and earth, and reverberating.

Zhu Yuanzhang said: "Play it." ”

He and Biao'er had already seen it once in the morning, but now it's a projector with a bigger screen.

Chu Zhen was about to click on the video, but stopped again, and asked Zhu Yuanzhang with a smile: "Is Tao Chengdao here?" ”

"It should come."

Zhu Yuanzhang also smiled, and instructed the eunuchs around him: "Go and ask Tao Guangyi to come forward." ”

The eunuch immediately went to call someone.

After a while, Tao Chengdao, the author of "Fire Dragon Artifact Formation" and the first person in ancient Chinese aerospace, walked to the front and saluted respectfully.

"Give a seat."

Zhu Yuanzhang was in a good mood and arranged for him to sit down next to him, ranking higher than all the princes and nobles.

Chu Zhen said with a smile: "The usual gunpowder can make heavy shells fly out, in other words, as long as there is enough gunpowder and the power is strong enough, it can also make people fly into the sky." ”

“！！”

Tao Chengdao looked shocked and couldn't help but say: "This is what I have always imagined, Chu Zhenjun, can he really fly into the sky with gunpowder?!" ”

Thousands of Ming people brushed together.

"Yes. But simply tying gunpowder to a chair, and a person sitting on a chair and lighting the gunpowder is no different from suicide. ”

Chu Zhen clicked on the video to play it and said: "Please see how the Chinese people used rockets to fly into space seven hundred years later!" ”

In one sentence, the three thousand Tai students and hundreds of Ming courtiers were shocked, and their eyes looked closely at the depictions on the big white cloth.

Tao Chengdao was even more excited and his body trembled, and he muttered: "In the next seven hundred years, the Chinese people... Flying into space? ”

The pattern on the white cloth began.

A group of people seemed to be pulling a huge car, on which stood a white "pagoda", the pagoda was extremely majestic, with the four big characters of "Huaxia Aerospace" written on it.

The Ming people have many incomprehensions about this scene.

Why does the pagoda look so huge, but it doesn't need many people to pull it around?

What are the four small towers at the base of the pagoda?

What's to be done?

But the confusion in their minds did not affect them to stare at the picture at the moment.

They watched as the white pagoda was sent into a huge iron tower of equal height, and a clamp clamped the white pagoda together.

It was fast into night, and it was fast to dawn the next day.

"Ten, nine, eight...... Zero, ignition! ”

Accompanied by a man's voice, a huge flame erupted from the bottom of the white pagoda, and a thunderous sound erupted!

The majestic white pagoda, pushed a little by little, rises towards the sky.

Chu Zhen only explained at this time: "It's slow now, in fact, the rocket only needs to count the time before leaving the launch tower, that is, flying into the sky!" ”

"Huaxia Aerospace" pagoda, no, rockets, take off!!

It breathes flames and soars through the sky.

Fly higher and higher, like a magic arrow, piercing the sky!

Eventually, it flew into the sky extremely high and connected with a dragonfly-like thing to form a magical thing that floated above the earth and looked down on the earth!

"It's called Tiangong, a space station made by the Chinese people, and people can live in it and do some scientific research." Chu Zhen explained.

The indescribable sense of shock swept over everyone present!

Man-made Heavenly Palace?!

The picture turned to the Heavenly Palace, and the Ming people saw a magical scene again:

Man is suspended in the air!

Pour down the glass, but the water doesn't fall?

"Whoever can explain this floating phenomenon mathematically and send the article to Qin Tianjian, I can personally give him some gifts as a reward!"

Chu Zhen said again.

"Math?"

Tao Chengdao subconsciously asked: "Why can you use mathematics to explain?" ”

Chu Zhen heard it and replied to him: "Mathematics is a tool for understanding the universe. ”

As he spoke, a meteor fell.

Thousands of Ming people saw a huge meteor streak across the sky.

Chu Zhen said again: "This is the rocket that flew into the sky just now, the light emitted by the Shenzhou return capsule falling and rubbing against the air is the same as that of a meteorite." ”

Dense, like exploding fireworks, running through the sky, much more shocking than a meteor.

The crowd was fascinated.

Including Zhu Yuanzhang and Zhu Biao, who have already seen it in the morning.

"Seven hundred years later...... The Chinese actually made ...... These. ”

Song Lian watched the "Huaxia Aerospace" rocket fall with great concentration, if he hadn't seen it with his own eyes, he wouldn't have imagined these pictures!

Fang Xiaoru was also silent at the moment.

Half a day.

The picture changed to a much larger moon, and when I looked closer, everyone saw the traces of the moon in pits!

"Where is there any Guanghan Palace."

Looking at the moon, someone muttered.

"The moon is empty, there is sand everywhere, there is no Guanghan Palace, and Fairy Chang'e is about to leave."

Chu Zhen smiled: "As for where Chang'e went, continue to watch." ”

After the Moon, there is Venus, which is the White Star, followed by Jupiter......

Finally, the sun.

Everyone saw seven or eight planets, arranged in a circular orbit, this is the world where they live?!

But then, the fiery red sun moved.

Flying in the galaxy with seven or eight balls, the balls continued to rotate around the fireballs, and were carried forward by it, leaving a spiral trajectory.

"The earth is in there too?!"

There was a sensation in the country's prison, people couldn't help but look up at the sky, and they didn't feel that the sky was spinning!

But the scene of the sun flying forward with seven or eight balls made them really worried that the earth would not be able to keep up with the sun and would be thrown out.

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Chu Zhen didn't explain, and the video continued.

The sun gets smaller and smaller, and eventually becomes an inconspicuous dot, and the picture is filled with countless points of light!

"Every dot is a sun."

"The starry sky we look up and see, only this small piece, takes up a small part of the galaxy!"

The Ming people saw the Milky Way.

It has thousands of suns, arranged like a whirlpool, and the place where they live is just in an inconspicuous corner.

"Chang'e...... There are also Taoist Sanqing, the Buddhas of Buddhism, all in the whirlpool of the galaxy?! ”

Someone was shocked and speculated, staring at the center of the galactic vortex.

But in the next moment, the Milky Way also turned into an inconspicuous speck, and countless Milky Way-like vortices appeared, filling their entire field of vision.

This is the end of the video.

Chu Zhen deliberately stopped here, not to broadcast it later, the galaxy is already big enough, leave some imagination space for the Ming people.

He didn't popularize concepts such as planetary distance, speed of light, light year and so on in the video, including before, and he didn't even say gravitation, all the theorems and formulas were discovered and renamed by them.

Long.

"The video is over, what do you think?"

Chu Zhen picked up the microphone and asked them with a smile.

"Dare to ask Chu Zhenjun!" Fang Xiaoru stood up and saluted: "Ascending to immortality, is it just leaving the earth and going to the wider universe?" The so-called Kunpeng swims in the South Stygian Pool, and that Heavenly Pool is the Milky Way? ”

Everyone present cheered up and listened.

Cultivating immortals is indeed the eternal dream of Chinese people!

Chu Zhen said: "I have never seen other immortals, but since the universe exists, then the immortals with vast magical powers will inevitably know and understand heaven and earth, and know the principle of the operation of heaven and earth, so that heaven and man can be one."

That's my guess. ”

He said it was speculation, but everyone present believed it.

Only by understanding all things in the universe can we cultivate into true immortals.

Chu Zhen answered some more questions, and finally handed the microphone to Zhu Yuanzhang.

"In the video brought by Chu Zhenjun, what touched me the most was the prosperity and strength ...... seven hundred years later."

Zhu Yuanzhang faced everyone, took the microphone, and said in a deep voice: "I don't dare to ask for too much, I just hope that when I am in power, I will see that everyone in the Ming Dynasty is warmly dressed, well-fed, and has surplus food at home." When I handed over the throne to the crown prince, the country that the prince took over, there was no hunger inside, no strong enemies outside, and all nations came to congratulate! ”

Zhu Biao looked excited.

Not only him, but everyone in the Guozi Prison also stood up and made a pilgrimage to salute:

"We will live up to Your Majesty!"

Zhu Yuanzhang was very satisfied: "I don't live up to everyone." ”

He held the microphone, and his voice could be heard all around, which was far better than the eunuch's words!

Since Chu Zhen brought this thing, let's give it to him, he could use it in the early dynasty.

At most, send Chu Zhen some more jade.

"I've decided!"

Zhu Yuanzhang issued an order: "Abolish the law that the people are not allowed to learn astronomy, abolish the Qin Tianjian, and place the Academy of Sciences. ”

"Minister Yang Ye, the leader is gracious!"

Yang Ye, who was originally in the fifth grade, became the president of the academy of sciences in the fourth grade.

It is still Yang Ye who is responsible for formulating the calendar, but there will also be some new work for him.

Zhu Yuanzhang said again: "The knowledge of astronomy and mathematics has been added to the imperial examination year by year, and after three or five years, Jingyi accounts for half, mathematics and physics account for thirty percent, and the rest account for two percent. Those who do not understand mathematics and science, or do not understand the scriptures and righteousness, have a certain number of jinshi places, and the rest are admitted according to the scores of each subject. ”

In other words, there are special enrollments of Confucianism or mathematics, physics and chemistry.

Chu Zhen looked at everyone and saw that none of them objected anymore.

Sure enough, the video is still convincing.

Chu Zhen took back the microphone and said with a smile to everyone: "I am very optimistic about the prospects of the Academy of Sciences, and I have confidence in the students of Guozijian, I will give you three things." ”

"First, it's this globe!"

Chu Zhen pointed at it, "I gave the globe to Guozijian, hoping that it can help you see what the world is like!" ”

Globes are mediocre in modern times, but in ancient times, they were invaluable.

The continents, islands, and precise latitude and longitude lines marked on it are enough to make this globe famous at home and abroad, and in the next two to three hundred years, its replica will appear on the desks of many navigators.

"Second, it's a clock."

Chu Zhen signaled, and the two eunuchs quickly brought up a large clock.

Chu Zhen said with a smile: "Those who have measured the speed of sound before must know that because the speed of sound is too fast, traditional timing can no longer meet the demand." My clock starts in seconds, which is enough for many experiments. ”

Everyone looked over and wondered how the clock was timed.

The doctor of Guozijian was already thinking about where to put it and the globe.

"The third, the astronomical telescope."

Chu Zhen pointed to the moon in the sky, "It can see the surface of the moon, send it to the Academy of Sciences, so that you can use it to observe how the major planets in the sky work!" ”

Qin Tianjian's people, no, now it is the Academy of Sciences, Yang Ye and the others were overjoyed, and hurriedly saluted and thanked them.

All the ministers and students looked at it with a blank eye.

Chu Zhen said with a smile: "It's a good day tonight, just enough to see the moon, this astronomical telescope has been adjusted, and those who want to see it can line up to take a look." If you don't want to see it, go back and rest. ”

"I want to see it!"

"Of course I want to see it!"

"So many people, can it be our turn?"

"No rest tonight!"

"Chu Zhenjun, can you go to Qintian Prison in the future?"

"It's the Academy of Sciences!"

The group of young students became excited.

Chu Zhen quieted them down, called Yang Ye up, and taught him how to use it.

After learning it, Yang Ye squatted down slightly and leaned into the lens barrel to take a look.

"Ahh

He exclaimed, "I see, I see, I see the crater in the moon!" ”

His name made more people curious.

Zhu Yuanzhang looked around and pointed to a person: "Hu Weiyong, you take care of it, don't mess up, let them line up to watch!" ”

"Yes, Your Majesty!"

Hu Weiyong immediately accepted the order, and his heart was happy, the more His Majesty used him, the more stable his situation would be in the future.

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