Kong Ming and Pang Tong sat upright, looking at the light curtain with serious faces.

Everyone in the Chengdu government office is basically the same. Even Zhang Fei took out a pen and planned to do his part.

As a "frustrated person" in Guangmu's words, it is natural to know how to farm.

Therefore, we can understand the importance of the water power plant, Quli and other things. Before coming to Yizhou, the newly prosperous Gongan and Jiangling were also noticed by everyone.

Although it is not possible to clearly clarify the relationship, but looking at the prosperity of later generations, everyone also understands:

This science is a very good thing.

Therefore, everyone present was neither willing nor dared to neglect.

But the first thing everyone felt was surprise and disbelief:

"Arithmetic is so important?"

King of Science! The mother of science! The title is simple and straightforward, so it can penetrate people's hearts more directly.

If we make an analogy, these Sutras are almost equivalent to what Confucius and Mencius did to Confucianism, right?

Almost instantly, Kong Ming understood the hint of hatred in the younger generation's tone.

Kong Zhongni's reputation has been known throughout the ages, and his descendants have enjoyed his blessings for thousands of years without declining.

Where are the sages who wrote three volumes of arithmetic? Like Chen Baoguang's wife, her name is unknown.

The name of a great craftsman is hard to find in unofficial history, and the reputation of a well-known family will last forever.

For a moment, Kong Ming and Pang Tong looked at each other, feeling a little ashamed.

But at the same time, Kong Ming also solved a doubt in his heart:

"No wonder that although Guangmu praised the Tang Dynasty in the past, it rarely mentioned the Tang Dynasty's achievements in culture, governance and martial arts."

Pang Tong also understood that this Tang Dynasty inherited the old system, and the aristocratic family was already dying. As a result, the Tang Dynasty became powerful and powerful, and the aristocratic family turned into a noble family and came back to life.

But if you put it this way, the Tang Dynasty relied solely on its martial arts to survive for three hundred years, otherwise it would have died long ago!

Now that the Emperor of the Tang Dynasty knew the value of arithmetic, he would not neglect his literary talents and develop arithmetic, right?

As a result, the poets, saints, immortals, and kings of poetry in the prosperous Tang Dynasty turned into saints, immortals, and kings?

When dignitaries visit each other, the "seat masters" will list out arithmetic problems, and then those who want to reach the sky will immerse themselves in calculations quickly. Only the best ones who are proficient in arithmetic can become "disciples"?

For a moment, Pang Tong was amused by his idea.

However, it seems that the literary style was flourishing in later generations. Otherwise, Pang Tong wrote "The Legend of Suanxian in the Prosperous Tang Dynasty" under the guise of Erfeng?

When the phoenix chick grows up, it becomes the second phoenix, which makes sense.

Li Shimin didn't know much about arithmetic, but he still accurately ate a "lemon", making his mouth sore:

"After the revival of arithmetic in the Southern and Northern Dynasties, why was it the Song Dynasty that benefited?"

Li Shimin does not need to answer this question, because Guangmu has already made it clear, the family.

"Half of the empire's wealth belongs to his family."

Li Shimin's eyes turned red. Did he, the Emperor of the Tang Dynasty, become a long-term employee of another generation?

This sentence was so explicit that Li Shimin, who had been firmly on the throne for two years, was a little ready to move, and he missed the time when he was wearing a military uniform and riding a horse.

Wealth is the foundation of the country. If half of the foundation of the country is eaten by rice worms from this family, how can the country not collapse?

At this moment, the civil and military ministers of Ganlu Palace reached a simple consensus: This family, which had been severely damaged by the Northern and Southern Dynasties, could no longer grow up!

Du Ruhui thought more clearly:

Instead of working hard to repair the family tree that was burned down by the troubled times like Boling Cui, how can you carry your name in the prosperous age?

As the light screen spoke, everyone also looked over. They also wanted to see how powerful the people's wisdom that Song had exploded was.

[Talking about the Song Dynasty cannot avoid the four major inventions that have affected the progress of civilization around the world: gunpowder, compass, papermaking, and printing.

These four basically appeared before the Song Dynasty:

Gunpowder is known by its name. It is a medicine that can catch fire. It is the result of Taoist alchemy. Our ancestors even dared to eat this kind of thing. They can only boast that they are not afraid of death.

The Tang Dynasty invented fireworks based on gunpowder, and they are still a must-have for our festivals.

During the Song and Jin Wars, gunpowder began to be used on a large scale in warfare, and the world's earliest artillery was produced. This is where modern warfare began. 】

The first thing that appeared on the screen was a Taoist priest with an immortal style. He put several things into the alchemy furnace one by one and roasted them on the fire. Then the alchemy furnace exploded on the spot in a very shameless way, and the Taoist priest became an explosion. The feathery chicken looked up and fell down.

Li Shimin's face turned a little darker. Light Screen said that he seemed to be suspected of taking elixirs in his later years. He still remembered that this thing was made in this way? And it will explode?

These alchemists are indeed people who do not regret death!

When the scene turned, I saw a group of young people wearing extremely gorgeous Tang Dynasty clothes on a brightly lit city tower, smiling happily and looking up at the sky in anticipation.

Soon there were dozens of tongues of fire snaking up into the sky in the distance.

Just when the officials of Zhenguan felt that this was not enough, the tongues of fire suddenly exploded, and in an instant the whole sky was as bright as day, and the colorful stars were neatly arranged in the sky, forming a magnificent scene.

"This is truly a picture of a prosperous age!" Empress Changsun couldn't help but whisper.

Not only Li Shimin, but also all civil and military officials were shocked and speechless: Is this something human beings can do? Is this science? Is this the power of the people?

Fang Xuanling was relatively close to the light curtain, and at this moment he read out the small annotation next to this scene:

"Luoyang Yingtianmen, 2023 Lantern Festival Fireworks Party"

Li Shimin was in a complicated mood. After the light curtain was pulled away, he recognized that this was the Zetian Gate that he ordered to be burned down!

As for why he changed his name, he immediately had the answer in his mind: Wu Zetian! taboo!

For a moment, the emperor's heart became more complicated, but the light curtain ignored it and the picture continued to rotate.

What follows is a quick switch of images: a simple iron cylinder, a man with only a braid on the back of his head igniting a giant cannon beside him, and a group of blond and blue-eyed aliens pulling out a huge cannon that looks like a city wall. Big cannon.

The Zhenguan monarchs and ministers who had seen the fireworks expressed their emotional stability, and then Li Shi and Li Jing stood up with heavy breathing.

They saw an iron pillar flying up and almost invisible in the sky, then quickly passing over the plains, mountains and lakes, and finally hit a ship at sea. The ship was blown into pieces and sank into the sea.

The scene turned, and in a house whose walls were covered with light curtains, a group of people shouted loudly to congratulate each other, and the five-pointed stars on their hats were shining brightly.

Li Shi𪟝 also read out the note next to it:

"Dongfeng Express...must fulfill its mission?"

At this moment, Li Shi was filled with boundless awe for future generations. This method had never been heard of even in the legends of gods and ghosts.

What would happen if the Dongfeng Express hit the enemy general?

The silence of Ganlu Hall could be heard. Everyone thought of the Taoist priest in front who blew himself up while making alchemy. They felt extremely unreal:

How could this alchemist's method of seeking death be so powerful as to ward off changes from gods and ghosts?

[Papermaking is the same as printing.

Cai Lun in the Eastern Han Dynasty improved papermaking, and workers in the Tang Dynasty invented rice paper. The Song Dynasty studied the experience of previous generations and invented bamboo paper and rice straw paper with lower costs and selling prices.

During the Wei and Jin Dynasties, Buddhism and Taoism were competing. In order to promote the teachings, Taoists at that time may have invented the engraving printing technology.

Also in the Song Dynasty, after the invention of bamboo paper, printing also developed rapidly, and color overprinting technology was invented. Printing can basically be used in all industries.

Mass-printed Confucian bamboo-paper books were extremely cheap, and culture began to spread rapidly, setting sail for modern culture. 】

In the Chengdu government office, everyone was stunned speechless by the fireworks derived from gunpowder and the Dongfeng Express.

They had seen the hell-like battlefields of later generations before, but they never thought that the source of everything was actually the gunpowder from the alchemists.

At this moment, looking at the scenery in the light curtain, Zhang Fei stretched out his finger and poked Kong Ming:

"Military advisor, look, they are making paper."

Kong Ming remained silent and watched as the workers in the workshop went through various processes to produce sheets of paper that were as white as snow.

Then the scene changed, and there was another Taoist priest, sticking his butt out and laboriously carving something on a piece of wood.

He cheered, dipped one side of the board into ink, pressed it lightly on the paper, and a paper full of fonts appeared.

On the light screen, the Taoist priest laboriously carved out the wooden boards one by one, and finally pressed and printed them one by one. The cut sheets of paper were bound, and on the title page was "Xuan Dan Lu".

Kong Ming pointed to the light curtain and said to Liu Bei confidently:

"Lord, we are not far off from achieving this goal!"

Printing has been studied for a long time. The police department already has specialized craftsmen for embossing and indenting, and trial production of cheaper bamboo paper has also begun.

Last month, Kong Ming wrote to his wife, asking her to send a team of papermakers to open a paper workshop in Chengdu to study bamboo paper. After all, Chengdu does have a lot of bamboo.

Therefore, Kong Ming had a little confidence in papermaking and printing, but soon the contents of the light curtain shocked him.

The scene in the light screen changed, and a large building appeared. The name of this place was revealed in large characters next to the door:

National Library of China.

The picture flew up again, and he got in through the entrance, and then everyone in the Chengdu government office said "Oh~" in unison.

What did they see? As far as the eye can see, above and below the ground, there are books everywhere.

The light curtain traveled between the bookshelves so fast that they could not distinguish the name of each book, and could only see the general classification.

"Ancient Chinese History...Modern Chinese History."

"Chinese classical literature...Han Fu, Tang poetry, Song lyrics, Yuan opera."

"A General Introduction to Philosophy, Religion, and Social Sciences."

At the end of the light curtain, everyone in the Chengdu government office learned about the collection:

The collection contains 620,000 volumes of documents!

Too much! It was a fleeting glimpse, but it made everyone in the Chengdu government office almost go crazy.

The knowledge of future generations is so close to them, yet out of reach!

"Ah ah ah, you are so hateful! You give me a distant view and don't let me read even one book!"

"If we can get all the books in our collection, why worry about the failure of the Han Dynasty? Why worry about not being able to govern the country and bring peace to the world?"

"I wish I could become the ghost of China in future generations, living here to browse the collection of books, and sleeping here to read documents."

Everyone in the Chengdu government office looked sad. After all, there was a trend of learning since the founding of the Eastern Han Dynasty, and the thirst for knowledge was extremely strong.

When they saw the library in the light curtain, they had only one thought in their mind:

There is no greater treasure than this throughout the ages.

[And the compass promoted the development of navigation in the Song Dynasty. To say too much about this is false.

Please take a look, Nanhai No. 1. 】

We suffered a disaster today...bad luck

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