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Yuxi took Jun Ting away. Wei Wenchang was very anxious. The situation in Liaodong was dangerous. He didn't know whether Luo Shadi Immortal Ghost Ji would take action in the past half month. If he took action, even if Yuxi arrived in Liaoning, the losses would be irreparable.

The Great Chu pays more attention to human nature than Luo Sha, and that is only relative. Luo Sha treats serfs like pigs and dogs, and Da Chu is a little better, at least treats people as humans. However, in the eyes of the nobles, people are divided into different levels, and there are very big differences.

Wei Wenchang didn't care if tens of thousands of ordinary soldiers died. If Cheng Liang, the left and right generals, the Hu Ben and others died, it would be really painful.

Renault returned to his study, took out paper and pen, and wrote the word "communication" on the word "communication" on the big Chu is naturally much stronger than "communication" on the roar, but the area of ​​Da Chu is too large, and even if it is a flying bird, it will take a long time.

The map of Da Chu has been drawn by the God of Wealth. This map is also installed in the God of Wealth's central control computer. There is no printer. If you want to draw it by hand, it is the boss's project. Moreover, maps are state secrets in the world of Da Chu.

Renault doesn't have to worry about anything that can be drawn, so you can only take your time. The God of Wealth has drawn a satellite map and can no longer be expressed in scale. That's meaningless. Even if the God of Wealth is not a professional military map, it can still be accurate to centimeters.

From the Liaodong District, which is somewhat unclear, with the Hei Shui Border Town as the northern end point, to the Maine Border Town in the south, the straight line distance is as long as 38,000 miles, and the actual control area of ​​Da Chu is even more than this.

The Eastern Water Source Military Port, 29,000 miles to the Jiuquan Border Town, the farthest northwest.

What a huge empire this is. If so much land can be moved to the earth, it will be developed. With the development of earth's technology, it will be very good to live even if the population doubles.

He didn't know how fast the fastest bird could fly. Judging from the speed of Wei Wenchang's message transmission, it would take at least five to eight days from Luocheng to Heishuibiancheng. The reliability of the bird transmission method is too poor. Even if one group is released at a time, it can only depend on luck whether the news can be transmitted to it.

Communication, this is a necessary condition for mastering a great power. Renault admires the Great Chu royal family, how they control this country.

I remember when I was studying history, there was a noun called the absolute control circle, which refers to transportation and communication. The distance that can be reached in one day is the absolute control circle of a country. What can be reached within three days is the control circle. If it exceeds ten days, it can only be determined by fate. If it takes one month to reach it, let it go.

The absolute control circle of communication is slightly weaker than that of traffic, but reason is relative. As long as information can be transmitted, the control strength will increase exponentially.

I won’t consider the traffic issues for the time being. Even if Renault has the ability to repair the expressway and suspension system in Dachu, there is no corresponding vehicle, so it would be useless to think about it.

For communication, you can consider it. Nowadays, wired telegrams are available. Although they are very rough, they can be used. Just lay the telegram lines and then the hydroelectric generators. No matter how fast the bird is, can it still run through the electrical signals?

Renault continues to write in the following communication: brushed wire, copper wire, resin, enameled.

This should not be difficult. Da Chu does not lack minerals, and with the God of Wealth, Renault will not lack it. The problem of smelting is not difficult to solve. Wire drawing and enameled bags can be solved as long as there are enough manpower.

The trouble is stealing. Metals like copper, whether it is the Earth or the Great Chu, are very valuable metals. On the Earth, copper is an important industrial raw material, while in the Great Chu, it can be used directly as money, and copper coins are the most circulated coins.

The headache is that the people of Da Chu are very poor, and they think of change when they are poor. Except for those who are waiting to die, they will have some ideas. There are too many people who know about such a big project, so it is almost impossible to keep it secret.

If you dare to start wiring, there will be countless people who are not afraid of death who cut off the copper wire you laid out at night.

Crossed off the words written on the paper casually. The road is not clear. It seems that you have to find another way. The wired ones are not good, and it seems that you have to find a way to play wireless. Renault feels that his steps are a bit big.

Is radio complicated?

Of course not. The principle of radio is just three words: electromagnetism.

Reynolds cannot play with relatively precise radios. The secondary tube is a difficulty that he cannot overcome in a short period of time. A simpler radio telegraph has countless disadvantages. It has only one advantage, and the probability of being able to be produced is high.

While recalling, Renault wrote on paper: modulator, tuner, frequency modulator, detector...

After writing a large piece of paper, it will naturally not be used. Renault has to choose a few of them, which can be completed under current conditions, and ensure that the transmitted signals are clearer and can be received clearly by the receiver.

As for the distance issue, if you consider it later, Dachu is short of everything. The wireless telegraph machine is just a child's toy on the earth. You can buy a complete set of them for a few dozen yuan. The transmission distance of tens of meters or hundreds of meters is easy to achieve. As long as the power is large enough, the transmission distance can be gradually improved.

For three consecutive days, Renault wrote and painted in the study and finally came up with a plan that seemed feasible. As for the effect, let's get it out first.

At this moment, Renault had no time to pay attention to these things. The God of Wealth reminded that Yuxi was preparing to attack a huge rock with all his strength. Renault looked at Yuxi on the screen and was quite satisfied. He did not ask the principle and followed the principle.

The energy collected this time was a little less than last time, only 0:72, and the difference was not very big. The two collections removed a little loss. Another unit of energy ball was added in the God of Wealth storage warehouse.

It’s so comfortable. From now on, Brother Lei can become an earth immortal by lying down. Although it still takes a long way to go, isn’t this hope? If he followed the previous practice method, he felt that he would never think of becoming a master in ten lives, let alone the earth immortal.

It’s great to have a hen. Renault is thinking whether to raise a few more hens, the eggs will be laid faster, greatly shortening the time to become a earth immortal.

Shaking his head, no, at least not now. Do you think the hen is easy to bully? This is because he is lucky to meet a melancholy uncle like Yuxi.

Even if Yuxi is so calm now, Renault dares not believe him completely. In a short period of time, Yuxi should not have any problems. It is hard to say that it will take a long time.

What's more, there is also the beast Jun Ting next to this hen. Feng on the pillow is a must-have skill for women and has super high attack power.

It's so pitiful. When I arrived at Da Chu, I didn't want to find someone who could discuss things. Jun Ting, a woman, has a very good talent. If she turned her into a earth immortal...

If it is impossible, the two earth immortals are husband and wife. Isn’t this a fatal disaster? If you have bad ideas, who can control them?

most……

Hu Zi!

Renault couldn't figure out whether Hu Zi's talent was good or not. After comparing several masters and more ninth-grade warriors, the final conclusion was not wonderful. Hu Zi's talent was probably quite average.

When he met Hu Zi, Huya was just a first-class warrior and had been practicing martial arts for several years. Renault had accumulated countless resources on him, and the amount of wild parameters he used was even more than Renault. In addition, additional resources such as transparent fish, Huya's current strength is only eighth-class.

There is no harm without comparison. The resources consumed by Huya in one year are many times more than those used by Luo Yi since he was young, but Luo Yi has long been at the peak of the ninth grade.

Or, Gong Churui?

This is even worse. This girl usually looks quite stable, but Renault can feel that the girl's hatred has not diminished at all. She is a smart girl. She knows that Renault will not fight to the death with Prince Wu's Mansion because of her, and can only rely on her own strength, so she has not moved.

If she becomes an earth immortal, she will destroy the Wuwang Mansion in minutes. If the Wuwang Mansion is completely dead, Renault will naturally not feel sorry for it, but the power represented by the Wuwang Mansion is very powerful.

If the Wu King's Mansion is gone, the Great Chu will be in chaos. No matter how hard Renault is to understand politics, he can guess the result.

As for the Tiger King and Hu Niu, let's forget it. Those two people will not be able to do so. If they suddenly become earth immortals, Renault feels that it is more dangerous than Junting.

The most suitable person is actually yourself, but how many units of energy are enough?

The next ten days were a bit boring and not idle. In fact, Renault was very busy. If he was on Earth, the experimental radio telegraph was so simple that Renault was too lazy to do it. If he couldn't handle it in five minutes, he would despise himself.

But such a simple manual work is not simple at all in the world of Da Chu. Transformers, voltage regulators, frequency modulation, transmitters, receivers...

All of this has to be done from scratch, wrapped with copper wire, customized with metal, this is a world without even screws.

Have you ever seen a big buzzer with a fist?

Have you ever seen a voltage regulator with a large box?

For the convenience of production, Renault amplifies all components. This is not for the purpose of distributing and receiving power, but is purely considered based on the difficulty of production.

Fortunately, Renault has studied electronics and semiconductors, which is the basic knowledge required for his major. He hasn't touched it much for some years, and he still needs to remember it continuously during production.

As a protagonist, Renault feels that he is inferior. The benefits of traveling through time are either to be remembered by the time of view or to be able to recall all the books he has read.

Renault doesn't have any of these. He can't remember some knowledge points, so he can only deduce them in reverse through other knowledge points you remember. The final result makes him want to cry. How could he forget such a simple thing?

Cui Qing was also very busy. He set up a shelf in the inner and outer courtyards, which required ten feet high. A metal rod was erected on it, and a copper wire was connected under the metal rod.

Master Lei explained this thing called an antenna, but he had been thinking about it for more than ten days, but he still didn't understand what kind of electromagnetic waves that he couldn't see were?

When Renault harvested three units of S energy, his work was finally completed. The whole room was filled with parts, and it was assembled into a large radio transmitter, and the power of this transmitter was not much greater than that of a toy.

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