As a new champion, and under twenty, Hua Lun is very confident in his own talents, not to mention the talents who occupy the world, at least he is also rich in learning.

He began to read poetry and books hard since he was a child, and when he was selected as a scholar ten years ago, people all over the world were ecstatic.

However, after that, the Shengshang abolished the imperial examination and replaced it with the Guozijian to train officials, and the scholars were frustrated, and many people gave up studying and found other livelihoods.

Hua Lun was unmoved and insisted on studying hard every day.

Finally, last year, Shengshang reopened the imperial examination, which made his family and fellow villagers ecstatic, and bluntly said that he would start to study hard in order to be named on the gold list next year.

But with the reopening of the imperial examination, there was a dazzling amount of news.

First of all, he added poems to the imperial examination, and clearly told the world's scholars that the title was to praise the Ming Dynasty for recovering the sixteen states of Yanyun that the Han people had lost for 400 years.

Hua Lun wrote ten poems overnight.

But neither is satisfied.

In addition, the imperial examination was also an arithmetic examination, so he could only go out to communicate with fellow students to see how their poems were written, and discuss with them how to learn arithmetic.

Soon after, the imperial court issued a new type of arithmetic, which was formulated by Chu Zhenjun, the protector of the heavens, and renamed mathematics.

Hua Lun and many fellow candidates had just learned to use the various symbols formulated by that true monarch to calculate, and there was news in Ying Tianfu that it was Chu Zhenjun who was lecturing in the Guozijian and had performed immortal methods to persuade many ministers of the imperial court to depose Confucianism.

Hua Lun and the others were taken aback.

Fortunately, there was news that the future imperial examination would be a parallel combination of Confucianism and mathematics, physics and chemistry, so that everyone could feel at ease.

Like everyone else, Hua Lun couldn't help but have a great curiosity about that Chu Zhenjun, who could persuade the Confucian ministers in the world to change the imperial examination based on scriptures and history to ...... Mathematics, physics and chemistry?

He knew mathematics, but he didn't know what reason and chemistry were.

So, Hua Lun, who was curious, took the township examination high school for the sake of lifting, and after coming to Yingtianfu, he discussed with students from all over the world who also came to the exam for the first time.

At a party, some of the Guozi eunuch students told them about the magic of Chu Zhenjun.

"Ying Tianfu now has all kinds of vegetables and fruits, tomatoes, pumpkins, peppers, onions, corn, etc., all of which were brought by Chu Zhenjun from the upper realm and given to the saints, so that the people of Daming can benefit...... Hey, that chili pepper is so delicious, it's just too expensive to buy now! ”

"The new warships and new guns were all brought by Chu Zhenjun, and I heard that after having them, our people in the Ming Dynasty no longer have to be afraid of Yidi's invasion."

"What is a lecture like? Hahaha, it's a pity you didn't get to see the moon with your own eyes...... The Celestial Mirror is in the Academy of Sciences, and people are only allowed to look at it in the middle of the month. ”

"There's nothing nice about the moon, really, it's just a huge ball with craters on it, all craters from meteorite impacts!"

Hearing this, Hua Lun laughed and scolded with the students who were rushing to take the exam from other places: You have seen a lot, but we haven't seen it!

After the examination, and then the palace examination, finally on the day of the release of the list, Hua Lun met Chu Zhenjun.

Shin-kun is younger than he thought.

And even more extraordinary.

In front of the saint of Fengtian Temple, Zhenjun was also calm.

It's Zhenjun holding a strange box and facing them all the time, I don't know what it means.

I just know that the box must be a treasure!

Compared with the ranking of the palace exam, Hua Lun is more curious about what Zhenjun's lectures are like, and what kind of knowledge will be taught to them!

In the evening, the prison was crowded with people.

Not only the new science and technology scholars and the students of the Guozijian, but also the officials of the imperial court, those princes and ministers, and even the Holy Lord and His Royal Highness the Crown Prince, also came to the Guozijian, ready to listen to the lectures of the true monarch.

Hua Lun was glad that he was the champion at this time, otherwise he would not have been able to sit in the front row, and he was in the same row as Zhu Di, the king of Yan, Li Shanchang, the prince of South Korea, Fu Youde, the prince of Yingguo, and Hu Weiyong, the prime minister.

He sat in the front row, and when he looked back, the black pressure was full of people, and some people had set up a platform in the distance and climbed on the wall.

Sven sweeps the floor!

But all this, after Chu Zhenjun came out, it was worth it!

A huge white cloth was hung, and immediately after, a light came out, reflected on the white cloth, showing the Ming Dynasty Qiyun and the Hongwu Emperor!

"Ahh

Hua Lun and a group of new science and technology scholars exclaimed, the appearance of the hillbilly made the group of students laugh for a while, and the officials of the Department of Etiquette who were standing hurriedly shouted to silence.

But Hua Lun, Ding Xian and others were still shocked on their faces.

His Majesty on the white cloth was so real that he sat on the throne, his eyes were like torches, and his expression was resolute.

Hua Lun looked at His Majesty and the Crown Prince sitting at the front, they were clearly there.

In other words, on the white cloth, is it a portrait?!

But why is it so true?

Before Hua Lun could figure it out, the portrait on the white cloth disappeared and turned into a huge aqua-blue ball.

Chu Zhenjun began to speak, and his voice spread for miles:

"I'll talk about something else first, and by the way, I'll show the new students the video from last time."

Video?

Hua Lun was dedicated to two things, while watching the video, he listened to Chu Zhenjun first congratulate them on high school, and then catch up with Yan Wang and Yingguo Gong who came back from Yunnan, congratulate Yingguo Gong on his meritorious service, and said that this is the penultimate lecture - he, like everyone else, didn't realize that Chu Zhenjun would only give another lecture in the future.

The mountains, rivers, sun and moon, plants, trees, birds and beasts all appear vividly in the "video", which is dazzling!

This scene alone is worth the trip!

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After a while, the video was finished, and Hua Lun was still unfinished, immersed in the aftertaste.

Even those students who have already watched it will not get bored at all if they rewatch it once.

"How do you feel after watching the video?"

Chu Zhenjun asked on the stage.

No one dared to answer, after all, the emperor was still there, but Chu Zhenjun called the name of the new champion, Hua Lun stood up and sighed after saluting: "In the Zhenjun video, heaven and earth are called the earth, the earth is so big, it is strange, it is beyond the imagination below, the universe that Zhenjun depicts for us is even more mysterious and mysterious, indescribably big!" ”

Everyone felt the same way.

"Champion Lang is eloquent, sit."

Chu Zhen asked him to sit down, and after looking around at the crowd, he began to speak: "Last time we talked about sound, light, the earth, etc., I read the newspaper and knew that there was a student named Xu Zhentai in Guozi Prison, and the speed of light was roughly measured to be 960,000 miles per second. ”

Hua Lun sighed again when she heard it.

At the time of the meeting, he had already learned from the Tai students that Zhenjun had given the Academy of Sciences a clock to divide the time into seconds.

He also read the newspaper and met that Xu Zhen, but unfortunately he couldn't talk to the other party too much because he was busy with exams.

The speed of light is 960,000 miles per second, which is really beyond his imagination!

What's even more incredible is that in Chu Zhenjun's previous video, the Milky Way is as big as 100,000 light-years, and it takes 100,000 years for the light to run out of the Milky Way!

This number is followed by an unknown number of zeros, no wonder Chu Zhenjun uses scientific notation in his math books, otherwise he would have to write a page just to write zeros.

"This number is not precise enough, and the accuracy of the experiment still needs to be improved, but it is already good, and the Academy of Sciences can give a reward."

Chu Zhenquan encouraged the development of science in the Ming Dynasty, at least he had calculated that the speed of light was hundreds of thousands of kilometers.

"Some people may still ask, what about knowing the speed of light? The speed of light circles the earth several times a second, and the difference in the speed of light is completely unfelt in daily life. ”

Hua Lun was ashamed, if he hadn't watched the video, he would have felt that he had studied these because he was full.

But with the video, and Chu Zhenjun personally explained, he vaguely felt that studying the speed of light was useful!

He looked at the rest of the people and saw that they seemed to have the same expressions as him.

"We can't feel the speed of light, but we can at least see the light.

And all around us, there are many things that we can't see or touch.

For example, dogs can smell scents that we can't smell and can hear sounds that we can't perceive.

Why is that? Because the human ear is different from the dog's ear, the frequency of the sound is also large and small, just like a bat can fly at night by making a sound and listening to the echo of the sound after hitting an object, but we can't hear the bat shouting at all. ”

Hua Lun was surprised to hear it, the bat actually "sees" objects by sound?

"Unheard of!" Bangyan Lian Zining sighed.

Many people are whispering, thinking about catching a bat to study.

Chu Zhen continued: "Among the things that we can't see or touch, there is a large kind of electromagnetic waves, which contain light that is visible to our naked eyes, as well as microwaves and long waves that we can't see.

As the name suggests, electromagnetic waves are related to electricity and magnetism, and are somewhat similar to water waves, you can imagine that the heavens and the earth are fish ponds, and electromagnetic waves are diffused all the time, just like light, constantly reflected, diffused, and everywhere! ”

As the sky gradually darkened, Hua Lun looked at the light emitted from the white cloth and imagined that these lights were all "electromagnetic waves"!

Indeed, it can irradiate a lot of places.

"If we can use light that is visible to the naked eye, can we use other electromagnetic waves that we can't see?

I give the answer: Yes! ”

Chu Zhen held up the radio station and showed it to everyone.

"This machine, it can send out electromagnetic waves that we can't see, straight into the sky, and there is a layer of clouds in the sky, called ionization clouds, which are not clouds, but some electrons and ions...... You can imagine it as a mirror, which can reflect electromagnetic waves, so that the electromagnetic waves we send out from Yingtianfu will be reflected in the ionosphere, and then return to the ground, go to Beiping Mansion, go to Nanyang, and go in all directions!

Moreover, it can also receive electromagnetic waves, which can send and receive, similar to a post station! ”

Hua Lun and the other students listened in silence.

They knew that Chu Zhenjun was already describing it in sentences as close to life as possible in order to take care of their shallow knowledge, but Hua Lun and the others still only heard a rough idea:

Electromagnetic waves hit the sky like light, are reflected by the electric clouds in the sky, and fall in all directions.

It is similar to the waves of water that are blocked by the shore and ripple everywhere.

"Do you remember? The speed of light orbits the Earth several times in one second. ”

Chu Zhen laughed and showed the radio station again: "That is to say, as long as there are two such machines, we can have a conversation in Daming, or even anywhere on the earth, just like face to face!" ”

The princes and ministers present, the new science and technology scholars, and thousands of Tai students were all shocked when they heard this!

Hua Lun thought of his hometown of Zhejiang Renhe in an instant, as long as there were two machines in Chu Zhenjun's hands, he could contact his parents and relatives at any time?!

How amazing is that!

Duan Thoren, who was from the Duan family in Yunnan, immediately thought of what Chu Zhenjun had said to those Ming soldiers stationed in Yunnan a few months ago.

The Ming soldiers in Yunnan can hear the voices of their relatives in their hometown again, and it is free!

At first, Duan Thoren couldn't figure out what it meant, but now when he saw this machine, he suddenly realized.

It turned out to be electromagnetic waves, reflections, electric clouds...... In short, in this way, he will be able to contact his family in Yunnan at any time when he will study in Yingtianfu Guozijian in the future.

It's wonderful!

I knew that there was such a true monarch in the Ming Dynasty, and his Duan family in Yunnan had already surrendered and surrendered, where did they need the army to drive to Dali, and their Duan family saw those dozens of terrible cannons, so they were unwilling to go out of the city and surrender.

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