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

This is like making soup. If you don't know how to match ingredients and medicinal materials, then you will only drink purine, but if you know how to match, then it is a top-notch tonic.

Take the "beginner's guide" chicken soup as an example. It can be matched with Codonopsis, Astragalus, Adenophora, Polygonatum, red dates, and wolfberry to make Codonopsis and Astragalus chicken soup that replenishes qi, strengthens the spleen, promotes fluid and nourishes blood.

It can also be matched with red dates, wolfberry, yam and chestnuts to make chestnut and yam chicken soup that nourishes yin and blood, nourishes the spleen and nourishes the stomach.

But if you don't know how to match, put all the medicinal materials in your home, and if nothing unexpected happens, you will have a nosebleed the next day because of too much nourishment, and you may even have other problems.

The same is true for materials science. You need to understand the basic characteristics of the material first, and study its internal structure clearly before you can slowly match it and then do experiments in the direction of "possibility".

It cannot be said that seeing the drama of graphene, 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 to see the legendary room-temperature superconducting material.

If possible, they also want to provide a little help for mass production, because room-temperature superconducting materials can be applied in so many places that it is enough to change the world.

Wang Shan, Qin Long, Yin Songyang, and Hao Zidong also showed a little expectation. They read the record file of the synthesis path and wanted to see the real thing, because only the real thing can prove that the synthesis path recorded in this file is true.

"Here."

Chen Xing took out the room-temperature superconducting material from his pocket without hesitation.

The black crystal block was sealed in a transparent bag. If you look at it with your naked eyes, it is not much different from coal.

"Gulp."

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

This kind of "treasure" is too tempting.

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

"Can you, Mr. Chen?"

Everyone looked at Chen Xing.

Although they said they wanted to witness zero resistance with their own eyes, they still didn't believe that lead monoxide, lead sulfate, copper and phosphorus could synthesize room-temperature superconducting materials.

What is this a bit like?

Mud can be synthesized into gold, and no one will believe it if you tell others.

But if you face the world and reproduce the entire synthesis process of "mud turning into gold", 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 afraid that the experimental data is wrong, so I specially asked Chief Wang to bring several material academicians from the Longke Academy to verify it."

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

"That's right."

Wang Shan nodded slightly and agreed: "Brother Chen did bring you here. Now we have the materials and equipment. You can do a verification test."

"Okay!"

"No problem!"

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

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

Now at room temperature, as long as you test whether it is zero resistance, it will be clear at a glance.

If you want to test the internal resistance of a material, the simplest and most efficient way is the four-probe test method.

What is the four-probe test method?

It is based on the Vanderbilt principle and measures the internal resistivity by arranging four probes on the surface of the sample.

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

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

Zhang Zhongchun, Yin Songyang, and Hao Zidong were very tacit, and all agreed to the four-probe test method.

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

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

"No. 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, felt goose bumps.

The resistance is zero.

This is the room-temperature superconducting material!

Zhang Zhongchun did not lose his mind, and said in a deep voice: "Probe No. 2 applies pressure."

"Still zero!"

"Oh my God, this is a real superconducting material!"

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

"Great!"

"Great!"

"God bless Dragon Country, God bless Dragon Country!"

"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!"

"Not just a possibility, but a certainty!"

"Yes, yes, yes, it is a certainty!"

When other countries become stronger, that is called rising.

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

Why can it only be called a revival?

Because before the Qing Dynasty, the Dragon Kingdom 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 regarded as small Tubo countries.

History also records that a Hun army defeated by the Dragon Kingdom called them "God's Whip" when they fought in Western countries.

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

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

"Chief Wang, three academicians, now that room-temperature superconducting materials have been introduced, how do you think the benefits can be maximized?"

Chen Xing asked the question.

Now that we have the materials, how to apply them has become a problem to be solved.

Wang Shan thought for a while and said what he thought: "From your conversation just now, I feel that it is not difficult to achieve mass production. If possible, I think large-scale infrastructure construction is needed."

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

"Second, it can reduce the maintenance costs of railways. Now the annual maintenance expenditure of railways is already an astronomical figure. Many routes are operating at a loss. I heard others say that the impact of maglev trains on railways is minimal, and we have already reserved relevant technologies, but we lack a cheap high-antimagnetic material."

"As for the third point, infrastructure construction can also drive the development of other industries and inject a dose of booster into our deflationary economy."

The best and only way to deal with economic deflation is to release money.

In 2008, when the global economic crisis swept the world, Longguo's consumption was once sluggish and was about to fall into deflation, the top leaders directly took out 4 trillion yuan to release money and build infrastructure.

Don't underestimate this 4 trillion yuan. You must know that before the large release of money, the salary level of ordinary domestic workers was 1,000 or 2,000 yuan, and some were even less than 1,000 yuan.

It is also this 4 trillion yuan that has helped ordinary domestic workers’ wages break through 3,000 yuan.

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

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

“Infrastructure is OK. 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 renewed, but the economic situation will also be completely renewed!”

“That’s right. The bottom-level workers represent the bottom-level families. Only when the bottom level becomes rich can the economic deflation be ended.”

“Large infrastructure combined with fiscal relief will definitely make Dragon Country 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, if you earn 20,000 yuan a month, and your budget for three meals a day is 70 yuan, that's only 2,100 yuan a month, which is completely affordable.

But if you are fired and your new job only pays 6,000 yuan a month, you definitely can't spend according to the 70 yuan standard, because 2,100 yuan already accounts for one-third of your salary.

As your consumption is downgraded, the revenue of the restaurant you often go to will be downgraded, and the restaurant's revenue will be lower, and the restaurant owner's family will also be downgraded. Under this chain reaction, the society will experience economic deflation.

Is everyone out of money?

Not necessarily.

It's that everyone is unwilling to consume.

Of course, the unwillingness to consume is not started by the bottom, but the world economic situation affects enterprises, and then from enterprises to individuals, passing on layer by layer.

To break economic deflation, either the world economic situation develops in a good direction, or the income of the bottom people is increased.

Compared with the world economic situation developing in a good direction, it is obviously less difficult to increase the income of the bottom people.

Because the initiative of the world economy is 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 felt that they should vigorously develop infrastructure to improve the domestic economic situation, Chen Xing raised a question from a different angle:

"If we vigorously develop infrastructure, we are equivalent to showing our cards to the world. We have room-temperature superconducting materials. I wonder if you four still remember an allusion, called "A man is innocent, but he is guilty of possessing a jade."

"A man is innocent, but he is guilty of possessing a jade."

"A man is innocent, but he is guilty of possessing a jade."

Wang Shan, Zhang Zhongchun and the other five were muttering to themselves, reading these eight characters.

History is actually very similar. What happened thousands of years ago is also happening in modern times, just like the entertainment industry, either this one is cheating or that one is seducing fans to bed.

In a word, there is nothing new under the sun.

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

Under the five permanent members, Dragon Country can fight many alone, but what if it becomes a global public enemy?

A man is innocent, but he is guilty of possessing a treasure. Never overestimate the bottom line of human nature, and 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 usher in jackals."

Wang Shan spoke in 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 come together, Longguo may not be able to withstand it. This must be realized.

“Since we can’t invest in infrastructure construction, how should room-temperature superconducting materials be applied?”

Qin Long asked.

After finally developing a room temperature superconducting material, it’s impossible to just look at it but not use it, right?

Everyone looked at Chen Xing, because it was he who suggested that "every man is not guilty, but he is guilty of carrying a jade", maybe he had already thought of a way.

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

"I have a question for Dean Qin. I heard that the country has always invested in the research and development of controllable nuclear fusion, and according to public information disclosed by foreign institutions, controllable nuclear fusion requires high antimagnetic materials. Do you think it can be done? Use room-temperature superconducting materials for the research and development of controllable nuclear fusion.”

"???"

"!!!"

"???"

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

Room-temperature superconducting materials have zero resistance and high antimagnetic properties, and are unanimously considered by the scientific community to be the best materials for controllable nuclear fusion.

Why do you say this?

Anyone who has understood the principle of controllable nuclear fusion knows that it requires magnetic confinement to prevent high-temperature plasma from directly contacting the reactor shell and protect the reactor structure from high-temperature damage.

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

Currently, magnetic confinement is a feasible method to achieve controllable nuclear fusion, and it is also the most reliable method.

The five of them calmed down for a while, and then Qin Long calmed down and said, "Are you saying that instead of building infrastructure for room-temperature superconducting materials, we should conquer the construction of controllable nuclear fusion first?"

"That's right."

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

Modern wars have been going on for so long, and the Middle East has been without peace for decades, all for the sake of oil and energy.

If controllable nuclear fusion comes out, the Dragon Kingdom can completely use this as a basis to mediate conflicts around the world's energy distribution, thereby ousting the power of the United States.

It's like when there is enough food, who will fight for you?

But if food is scarce, the bad nature of human nature will be exposed, and plundering will become the normal state of development.

“What about economic deflation?”

Wang Shan suddenly asked.

Chen Xing looked at Wang Shan, smiled calmly and said: "Two methods are, one is to directly release funds, and the other is to formulate a new power supply agreement. My suggestion is to approach both." (End of Chapter)