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In Zhang Zhongchun's view, although materials science has a certain degree of randomness, it is not completely random and still requires a clear understanding of the properties and logic of materials.

This is like making soup. If you don’t know how to match the ingredients and herbs, then all you drink is purine. But if you know how to match them, then it will be a top-notch tonic.

Take the "beginner's guide" chicken soup as an example. It can be combined with codonopsis, astragalus, adenophora, polygonatum, red dates, and wolfberry to make a codonopsis and astragalus chicken soup that replenishes qi, strengthens the spleen, promotes fluid production and nourishes blood.

You can also add red dates, wolfberries, yam and chestnuts to make a chestnut and yam chicken soup that nourishes yin and blood, and replenishes the spleen and stomach.

But if you don’t know how to match them together and put all the herbs you have at home into it, if nothing unexpected happens, you will have a nosebleed the next day due to over-tonification, and you may even have other problems.

The same goes for materials science. You need to first understand the basic properties of the material and study its internal structure clearly before you can slowly combine it and then conduct experiments in the "possible" direction.

Just because we see the drama of graphene, we can’t say that materials science is full of randomness.

After Zhang Zhongchun expressed his opinion, he looked at Chen Xing and said, "Excuse me, Mr. Chen, where is the room-temperature superconducting material now?"

They came here just to see the legendary room-temperature superconducting material.

If possible, they would also like to contribute to mass production, because room-temperature superconducting materials can be used in so many places that they are enough to change the world.

Wang Shan, Qin Long, Yin Songyang and Hao Zidong also showed some anticipation. After they looked at the record file of the synthesis path, they all wanted to see the real thing, because only the real thing could prove that the synthesis path recorded in this file was true.

"At this."

Chen Xing did not hesitate and took out the room-temperature superconducting material from his pocket.

The black crystal blocks are sealed in transparent bags, and to the naked eye, they look no different from coal.

"Gulu."

Looking at the room-temperature superconducting material so close at hand, Zhang Zhongchun, Qin Long, Wang Shan, including Yin Songyang and Hao Zidong all swallowed their saliva.

Such "treasures" are so tempting.

"Can we test it?" Zhang Zhongchun just finished speaking, and then quickly added: "It's not that we don't trust Mr. Chen, we just want to witness the historical moment of zero resistance with our own eyes."

"Is it okay, Mr. Chen?"

Everyone looked at Chen Xing.

Although they said they wanted to witness zero resistance with their own eyes, they actually still did not quite believe that lead monoxide, lead sulfate, copper and phosphorus could be used to synthesize room-temperature superconducting materials.

What does this look like?
If I tell you that mud can be synthesized into gold, no one will believe it.

But if you reproduce the entire synthesis process of "turning mud into gold" to the whole world, who would dare to question it?

"Of course." Chen Xing handed the room-temperature superconducting material to Zhang Zhongchun, and then continued: "I am also worried that the experimental data is wrong, so I specially asked Chief Wang to bring a few material academicians from the Longke Academy to verify it."

Real gold is not afraid of fire. Since it is a room-temperature superconducting material, it is not afraid of tossing.

"Yes."

Wang Shan nodded slightly and agreed, "Bringing you here was indeed proposed by Brother Chen. Now we have the materials and equipment, so you can do a verification test."

"it is good!"

"no problem!"

Zhang Zhongchun, Yin Songyang, and Hao Zidong glanced around the laboratory, locked the location of the test bench, and hurriedly moved.

In fact, the tools and processes used to test room-temperature superconducting materials are not complicated.

Now at room temperature, it is easy to tell whether it is zero resistance by testing.

The simplest and most efficient way to test the internal resistance of a material is the four-probe test method.

What is the four-probe test?

It is based on the Van der Pauw principle and measures the internal resistivity by arranging four probes on the sample surface.

The four probes are usually divided into two groups, two of which act as current sources and the other two act as voltage measurement terminals.

The current source probe applies a constant current, and the voltage measurement probe measures the voltage drop on the sample surface. By calculating the ratio of current and voltage, the resistivity of the sample can be obtained.

Zhang Zhongchun, Yin Songyang and Hao Zidong had a very good understanding and all agreed to the four-probe testing method.

They first opened the plastic sealed bag, used tweezers to take out the room-temperature superconducting material inside and placed it on the test observation platform.

Immediately afterwards, Yin Songyang and Hao Zidong were responsible for two test probes each.

"Number 1 applies voltage."

As soon as Zhang Zhongchun finished speaking, Yin Songyang turned on the voltage switch, and the three of them looked at the display data of probes No. 3 and No. 4 at the same time.

"It's zero!"

"It's Zero!"

When the Arabic numeral zero appeared, Zhang Zhongchun, Yin Songyang, Hao Zidong, including Wang Shan and Qin Long, all felt goose bumps.

The resistance is zero.

This is room-temperature superconducting material!
Zhang Zhongchun did not lose his mind and said in a deep voice: "Increase the pressure on probe No. 2."

"Still zero!"

"Oh my god, this is real superconducting material!"

After testing it once, everyone accepted the fact that the black crystal in front of them was the legendary room-temperature superconducting material.

"Great!"

"Great!"

"God bless the Dragon Kingdom, God bless the Dragon Kingdom!"

"If we use it as a basis to launch the fourth industrial revolution, our Dragon Country will be able to complete the great rejuvenation plan!"

"It's not just a possibility, it's a certainty!"

"Yes, yes, that's for sure!"

When other countries become stronger, that is called rise.

The Dragon Kingdom has become stronger, which can only be called a revival!

Why can it only be called revival?
Because before the Qing Dynasty, Longguo was the absolute world leader.

Foreign envoys during the Tang Dynasty even called the Dragon Kingdom the "Celestial Empire", and other countries could only be considered small Tibetan countries.

Historical records also show that a Xiongnu army defeated by the Dragon Kingdom was so strong that Western countries called them "the Whip of God."

There are also jokes online that say if Qin Shihuang was given a world map and told that the West had an elixir of immortality, he probably wouldn't need to learn English now.

Although it is a joke, it is enough to prove how powerful the Dragon Kingdom was in ancient times.

"Director Wang, three academicians, now that room-temperature superconducting materials have been developed, how do you think we can maximize the benefits?"

Chen Xing raised the question.

Now that we have the materials, the question is how to apply them. Wang Shan thought for a while and said, "From your conversation just now, I feel that it is not difficult to achieve mass production. If possible, I think we can do large-scale infrastructure construction."

"First, it can cooperate with economic policies to release money downward, so that the wallets of low-income workers affected by deflation can be filled again."

"Second, it can reduce the cost of railway maintenance. The annual maintenance expenditure of railways is already an astronomical figure, and many routes are operating at a loss. I have heard others say that the impact of maglev trains on railways is minimal, and we have already accumulated relevant technologies, but we lack a cheap and highly anti-magnetic material."

“As for the third point, infrastructure can also drive the development of other industries, injecting a shot in the arm to our deflationary economy.”

The best and only way to deal with economic deflation is to increase monetary easing.

When the economic crisis swept the world in 2008, consumption in Longguo was once sluggish and was about to fall into deflation, the top leaders directly took out 4 trillion yuan to boost infrastructure construction.

Don't underestimate these 4 trillion yuan. You should know that before the massive money printing, the salary level of ordinary domestic workers was around to yuan, and some were even less than yuan.

It is precisely because of this 4 trillion yuan of monetary easing that the wages of ordinary domestic workers have exceeded yuan.

At the same time, it was this 4 trillion yuan that revitalized the Dragon Country's economy, which was about to fall into deflation, allowing most families to have enough food and add meat to every meal.

There are examples all over the world of using infrastructure development in conjunction with fiscal stimulus to revitalize the national economy, including in developed countries such as Germany, island nations and the United States.

"Infrastructure construction is possible. Lead monoxide, lead sulfate, copper and phosphorus are not scarce. We can mass-produce room-temperature superconducting materials. By then, the national railways will be completely renewed."

"Not only will the railways be completely transformed, the economic situation will also be completely transformed!"

"You are right. The lower-class workers represent the lower-class families. Only when the lower-class people become prosperous can we put an end to economic deflation."

"Large-scale infrastructure combined with fiscal stimulus will definitely allow Dragon Country to flourish again!"

The essence of economic deflation is that everyone is unwilling to spend money. When there is less money circulating in society, economic deflation will occur.

For example, assuming you earn 70 yuan a month, and your budget for three meals a day is 2100 yuan, that's only yuan a month, which is completely affordable.

But if you are fired and your new job only pays 6000 yuan a month, you certainly cannot spend according to the 70 yuan standard, because 2100 yuan already accounts for one-third of your salary.

As your consumption downgrades, the revenue of the restaurants you frequently visit will also downgrade. As the revenue of restaurants decreases, the restaurant owner and his family will also downgrade their consumption. Under this chain reaction, economic deflation will occur in society.

Is it that everyone has no money?

Not necessarily.

No one wants to consume anymore.

Of course, the reluctance to consume did not start from the lower levels, but the world economic situation affected businesses, and then from businesses to individuals, passing on layer by layer.

To break economic deflation, either the world economic situation must develop in a positive direction, or the income of the lower-class people must be increased.

Compared with the positive development of the world economic situation, it is obviously easier to increase the income of the lower-class people.

Because the initiative of the world economy lies in the hands of the United States, they have a globally recognized currency like the US dollar.

When Wang Shan, Qin Long, Zhang Zhongchun, Yin Songyang, and Hao Zidong all thought that they should invest heavily in infrastructure to improve the domestic economic situation, Chen Xing raised a question from a different perspective:
"If we build infrastructure on a large scale, we will be telling the world that we have room-temperature superconducting materials. I wonder if you four still remember the anecdote, 'An ordinary man is innocent, but he is guilty of possessing a treasure.'"

"Every man is innocent, but he is guilty of carrying a jade."

"Every man is innocent, but he is guilty of carrying a jade."

Wang Shan, Zhang Zhongchun and the other four were all muttering to themselves as they read out these eight characters.

History is actually very similar. What happened thousands of years ago is also happening today, just like in the entertainment industry, where either one person is cheating or that person is seducing fans into bed.

To sum it up in one sentence, there is nothing new under the sun.

If Longguo exposes its room-temperature superconducting materials too early, it will have to be prepared to be spied on by other countries, or even jointly confronted.

Under the Five Permanent Members, the Dragon Country can fight against many enemies alone, but what if it becomes the global enemy?

A man may be innocent unless he possesses a treasure. But we should never overestimate the bottom line of human nature. Moreover, interests come first at the national level.

"Brother Chen's words reminded me that we really can't expose room-temperature superconducting materials too early. Even if we want to apply them, we have to do it secretly, otherwise we may be attacked by jackals."

Wang Shan spoke up to express his agreement.

The military strength of the Dragon Kingdom is already very strong, and it can even compete with the United States.

But if other countries in the world join in, Longguo may not be able to withstand it. This is something that must be realized.

“Since we cannot build infrastructure on a large scale, how can we apply room-temperature superconducting materials?”

Qin Long asked.

We have finally developed room-temperature superconducting materials. It is impossible that we can only look at them but not use them, right?

Everyone looked at Chen Xing, because he was the one who proposed the saying "The man is innocent unless he is in possession of a treasure", so maybe he had already thought of a solution.

Seeing the five people's eyes fixed on him, Chen Xing remained calm and looked at Qin Long and asked:

"I have a question for President Qin. I heard that the country has been investing in the research and development of controlled nuclear fusion. According to public information disclosed by foreign institutions, controlled nuclear fusion requires highly antimagnetic materials. Do you think it is possible to use room-temperature superconducting materials for the research and development of controlled nuclear fusion first?"

"???"

"!!!"

"???"

The moment Chen Xing finished speaking, the five people present had different expressions. Some were surprised, some were confused, and some even felt incredible.

Room-temperature superconducting materials have the characteristics of zero resistance and high anti-magnetism, and are also unanimously recognized by the scientific community as the best material for controlled nuclear fusion.

why would you say so?

Anyone who has understood the principles of controlled nuclear fusion knows that it requires magnetic confinement to prevent high-temperature plasma from directly contacting the reactor shell and to protect the reactor structure from being damaged by high temperature.

Moreover, charged particles will move along magnetic lines in a magnetic field. Through the special magnetic field formed by antimagnetic materials, the charged particles can be confined in a limited area, thereby achieving control of the nuclear fusion reaction.

At present, magnetic confinement is a feasible method to achieve controlled nuclear fusion and it is also the most reliable method.

The five of them calmed down for a while before Qin Long calmed down and said, "Are you saying that we should not build the infrastructure of room-temperature superconducting materials, but first conquer the construction of controlled nuclear fusion?"

"Yes."

Chen Xing nodded in confirmation and continued, "Once the energy problem is solved, other problems will be solved. Electricity is roughly equal to productivity, and productivity is GDP."

Modern wars have been fought for so long and the Middle East has been in turmoil for decades, all for the sake of oil and energy.

If controlled nuclear fusion comes out, Longguo can completely use it as a basis to mediate the conflicts over energy distribution around the world, thereby undermining the power of the United States as its smaller brother.

It's like when there is plenty of food, who would fight with you?

But if food is scarce, the bad nature of human beings will be fully exposed, and plundering will become the norm of development.

“What should we do if the economy deflates?”

Wang Shan suddenly asked.

Chen Xing looked at Wang Shan and smiled calmly, "There are two ways. One is to directly release funds from the finance department, and the other is to formulate a new power supply agreement. My suggestion is to do both." (End of this chapter)