"How's this newspaper?"

After making a decision, Zhu Yuanzhang asked Chu Zhen with a little smugness how the first newspaper of Daming was written.

It can be seen that he has put in a lot of effort!

"The popular science articles and pictures of the solar and lunar eclipses are good."

Chu Zhen didn't praise because it was written by Zhu Yuanzhang, but still praised it.

Zhu Yuanzhang, who was sitting there in the big man's sitting position, laughed, "What about the rest?" ”

"Others, this one on the speed of sound is also good, it is very close to the data measured by later generations, and the experimental methods are also very rigorous. The author is Huang Fu? ”

Chu Zhen looked at the back, shook his head and said: "The back is not very good, it is all the national policy of the Ming Dynasty, as well as some preaching, it is too boring." ”

There is no doubt that these articles are from the hands of ministers.

"What do you want to add to that?" Zhu Biao asked.

"In Yingtianfu, what are the people most interested in?"

"Chu Zhenjun?"

"No, it's a matter of the palace!"

"That won't work!"

Zhu Yuanzhang denied it.

Write about his harem in the newspaper, isn't this nonsense?

Zhu Biao's expression was also embarrassed, since Chu Zhenjun came to Daming, many rules have been broken, but no matter what, it is still jaw-dropping to publish the things in the harem in the newspaper.

Chu Zhen said with a smile: "Ordinary people like these, and they don't have to be in the palace, the major princesses, princes, dignitaries—"

"Dignitaries can."

Before Chu Zhen finished speaking, Zhu Yuanzhang nodded and said.

Chu Zhen continued: "Or add some government cases, write some cases with twists and turns, wonderful stories, and add some popular science of the law, punishing corrupt officials and corrupt officials, loving the country and the people, etc., which is much better than simply writing articles." ”

"This is a good idea!"

Zhu Yuanzhang nodded in approval, and the crown prince Zhu Biao also thought of some ways, "Let Dali Temple be responsible for giving some cases, and then someone will write it." ”

Chu Zhen said with a smile: "It can't be all of these, but also have to add some current affairs news, such as scolding Meng Yuan, the Japanese Kou, and some border war results are also written in, and the newspaper is divided into several sections to accept people's contributions." ”

He moved the modern newspaper to the first official newspaper of the Ming Dynasty.

Regardless of whether it is useful or not, try it first anyway, and at present, it is only distributed in Yingtianfu, and the publication system will be promoted to the whole country when it is mature.

"That's it!"

After chatting, Zhu Yuanzhang was very satisfied, and the role of the newspaper became clearer and clearer.

He wanted to write a case of a crime committed by the government and the people himself a long time ago, and send it to various places to warn his subjects.

Now that there are newspapers, it just saves trouble.

"Chu Zhenjun is going to give a lecture to the students of Guozijian today?"

Zhu Biao asked respectfully.

"I'll go back in the evening, the students of Guozijian live in the school building, right?"

"Why wait for the evening?"

Zhu Biao was puzzled, but his father had already instructed the eunuch to pass on the message to the Guozijian and ask the eunuch to wait for Chu Zhenjun to give a lecture in the evening.

"I'm not going to talk too much tonight, it's mainly for them to watch."

Chu Zhen took out a few things he brought, and explained them roughly first.

Zhu Biao was attracted to it after seeing it, and when he tried it himself, he was more and more amazed, and he couldn't wait to see what the moon was like again at night.

Chu Zhen didn't wait, after reading the "after-school homework" collected and sent by Qin Tianjian, and after discussing tonight's affairs, he rode around the city a few times and took some photos and videos.

At about five o'clock in the afternoon, I went to Guozijian.

This time there were still many people coming, Ming monarchs and ministers, too students.

As soon as Chu Zhen arrived, they all stood up, and those who were close to him saluted, and those in the distance saluted.

"There are a lot of people tonight!"

Chu Zhen said a classic line with a smile, walked forward, in the center of the crowd, and walked to the front.

Tonight is not a lecture in the Biyong Temple, but outside.

Zhu Yuanzhang ordered someone to hang up a large white cloth, he and Zhu Biao sat on the stage, the rest of the ministers were below, and many students also had seats, but more of them were standing.

Many people don't know what the white cloth is, except for Zhu Yuanzhang, he has seen with his own eyes what this cloth can do!

Chu Zhen didn't explain this, and after walking on the stage, with a wave of his hand, many things appeared on the table and on the ground.

Stunned a group of people.

Before they had time to be surprised, they saw Chu Zhenjun pick up something and face them, and picked up a black round stick and put it to his mouth.

In everyone's puzzled gaze, Chu Zhenjun smiled and spoke:

"Ahem, guys, do you hear that?"

The sound was like a bell, and the entire Guozijian resounded with Chu Zhenjun's voice!

Yang Ye of Qin Tianjian, Huang Fu and Qi De, students of Guozi Eunuch, and more than 3,000 students were all shocked.

"Can the people in the back hear me?"

Chu Zhen said again.

The voice was still loud, making the people sitting in front of them, Han Gong Lee Sun-chang and the others, have a sense of horror that they were being drunk by the enemy at close range.

Chu Zhenjun turned down on that thing and lowered his voice, so that they felt better.

Song Lian saw that the sound came from the white box with a net on the table!

But he still didn't understand why the voice spread from Chu Zhenjun's mouth to this white box, and it became much louder.

Why is that?

"Before I begin tonight's lecture, thank you for your support......"

Chu Zhen took the microphone and walked in front of the huge white cloth, feeling more and more like he was in a university classroom.

It's just that he is not facing modern students, but the Ming monarchs and ministers, a group of ancient Confucian scholars who read the Four Books and the Five Classics.

Thanks to the leader Zhu Yuanzhang.

Chu Zhen faced everyone and said, "I sent Qin Tianjian here, and I have read the answers to the three questions I left for you last time, and I am very happy to see that many people have come up with some wonderful methods.

For example, a student named Huang Fu used firecrackers to measure the speed of sound and proposed subtracting the distance that light travels—even though he did not measure the speed of light. ”

Everyone laughed, and people who knew Huang Fu looked at him one after another, and being able to be hit by Chu Zhenjun proved that he had a high probability of receiving His Majesty's reward!

Huang Fu's face turned red, and he shook his head and said to the people around him: "If it weren't for Chu Zhenjun to say it, I really wouldn't have thought that light has speed!" ”

Everyone agreed.

On the stage, Chu Zhen continued: "There are many people who have measured the speed of sound, and Huang Fu's calculation is not the most accurate, but I still think his article is the best written, because he not only calculates how far the clouds are when there is thunder in summer, but also notices that the sound has energy, that is, plucking the strings against the water surface can make the water surface ripple!" ”

The sound shakes the water?

Everyone recalled what they had seen in the past, but they couldn't remember such a simple thing, they didn't pay attention to it at all!

Offstage.

Fang Xiaoru whispered to Song Lian: "Teacher, this true monarch and His Majesty are so hard to mobilize the public, they deliberately started the lecture in the evening, and just to talk about this, you really shouldn't come, just let the student relay it to you." ”

His teacher is already in his prime.

"Let's keep listening."

Song Lian instructed him.

Fang Xiaoru looked at the gradually darkening sky, and had to give up.

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As if knowing that someone would inevitably question it, Chu Zhen, who was holding the microphone, said:

"What about knowing this, one might ask? Last time I left you with questions to think about. Now I can tell you what the use of understanding the nature of sound is! ”

He casually ordered a student and asked him to take the horn to the middle.

"Do you see that now?"

Chu Zhen spoke, and his voice came from the speaker.

The princes and ministers sitting in the front row looked back one after another.

"Understand the nature of sound...... Can you make this thing? ”

Many of those who thought that this knowledge was merely a sideshow began to waver a little.

But only some.

To make this thing, you just need to use craftsmen.

On the stage, Chu Zhen continued: "Why do people feel earache after hearing a loud voice? It is because the sound vibrates a thin layer of eardrums in the ear, just like vibrating water waves, the louder the sound, the louder the water waves, the more easily the eardrum is injured, and of course people can't stand it. ”

Song Lian subconsciously thought of what Chu Zhenjun said in the last class:

The mysteries of the universe are hidden in the inconspicuous little things.

So that's how it was!

"In the question of the speed of sound, Huang Fu is the best!"

Chu Zhen looked at Zhu Yuanzhang with a smile.

"When the lecture is over, I will be rewarded."

Zhu Yuanzhang said magnificently.

The eunuch on the side hurriedly shouted, Your Majesty has a reward for Huang Fu!

Huang Fu, who was sitting in the back, stood up and saluted in thanks.

Chu Zhen hurriedly continued: "On the issue of lunar and solar eclipses, Your Majesty has written an article explaining how they appeared, and it will be published in the newspaper soon, you can buy a copy and read it back."

But what really caught my eye was the article by Yang Ye, the supervisor of Qintian. ”

Everyone looked at the people of Qin Tianjian one after another.

"He used his calculation method to calculate the time of the solar and lunar eclipse from the Tang Dynasty to the present, and then three hundred years later, and the approximate coverage was also calculated, which is very good!"

Chu Zhen praised it.

Yang Ye, who was sitting in the front row, said modestly: "This is calculated by me and the people of Qin Tianjian together, not by me alone!" ”

The ancient Chinese astronomical calendar has always been in the leading position in the world, but it is limited by the knowledge at that time, and there is no way to jump out of the fixed thinking.

Now that Chu Zhen pointed out the relationship between the sun, the earth, and the moon, they could immediately improve the astronomical calculation method and get a fairly accurate answer.

Chu Zhen said with a smile: "In the question of the circumference of the earth, Yang Ye still calculated it, using a method similar to the timing of a sundial, which is also the field that Qin Tianjian is good at!" ”

The good mathematics of ancient times was basically concentrated among the astronomical observation officials.

Some officials of the Ministry of Industry are also good at math.

"Knowing the circumference of the Earth, what can we do?"

Chu Zhen asked.

At the same time, let people carry what they left in the palace before.

Everyone looked at it.

A large round ball with two people hugging each other was carried up by four eunuchs, and those who were close could see it clearly, and there were many patterns and words on the ball, but they didn't know what it was.

"It's called a globe!"

Chu Zhen stretched out his hand, spun the ball, pointed at it and said, "This is the land where we live!" ”

The crowd didn't feel it, they were too far away.

Only Zhu Yuanzhang and Zhu Biao carefully looked at the globe in the morning.

For the first time, Zhu Biao saw the vastness of the world, which was bigger than the map his father brought back!

The Central Plains of China only occupies a small part of the earth, and beyond the land of the Ming Dynasty, there is a broader world!

"You may not be able to see clearly, but that's okay."

Chu Zhen took out his mobile phone, projector, mobile power supply, etc., and after connecting the wire, he turned on the projector.

A pillar of light was projected onto the white cloth, illuminating several large characters.

"What is this?!"

"It's a phone?!"

Everyone was surprised, and only a few people who had seen the phone and tablet recognized it as similar to the phone.

Chu Zhen didn't explain, docked his mobile phone with the projector, and then played the video.

In an instant, a huge, aqua-blue balloon appeared in front of everyone.

They didn't know what this water polo was, they just thought it was magical.

Before there was time to exclaim, the picture on the white cloth began to change.

In the blue sea, white clouds float in the air, and schools of whales swim in the sea, making loud and low whining.

Immediately after that, a group of monkeys appeared in the forest, and the dense jungle obscured the sky.

Lions hunt buffalo in the grasslands.

Countless fish and shrimp in the sea are like clouds, swallowed by whales in one bite

In the midst of a violent snowstorm, a group of strange black and white animals gathered together, strange and shocking - they couldn't understand what these animals were doing, they just felt that they were huddled together, with their heads buried, quite strange.

I also saw tigers culling antelopes, millions of birds falling on islands, bats migrating in the sky, endless forests, rushing rivers, and vast grasslands in the north......

Eventually, stop.

On the white cloth, there was only a huge blue ball, slowly spinning.

But this time, everyone knew what was on the aqua blue ball:

Everything in the picture just now, as well as themselves, everything in the territory of the Ming Dynasty, the Ancient Yuan, the Ryukyu Island, the Western Regions, the Wa Kingdom...... And so on, all they knew, all on this huge aqua blue ball.

Chu Zhenjun called it: Earth!

“……”

Chu Zhen stopped the video.

He looked at the stunned crowd and waited for a while before asking, "Everyone, what do you think?" ”

No one dared to speak anymore.

Only Zhu Yuanzhang, who had seen the satellite map many times, sighed at this time: "The vastness of heaven and earth, how can Confucian knowledge encompass it?" ”

This is in line with Chu Zhen's previous words, the world's learning, not only Confucianism.

Three thousand Tai students, hundreds of Ming Dynasty courtiers, could not refute at this moment.

There are no such things in Confucianism.

The literati of all dynasties have never seen such a strange scene!

Only Chu Zhenjun, who flies to the sky and escapes from the earth, can see every corner of heaven and earth and depict it to them.

"Chu Zhenjun is really a god!"

Song Lian was deeply emotional, and the rest of the people agreed.

But it's not over.

They Chu Zhenjun began to paint those pictures on the white cloth again.

This time, what Chu Zhenjun showed them was-

"Universe!"

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