"What's the matter?" Huo Gang looked at them and asked, it was impossible for Sun Er to come over for no reason, and he still rushed over as soon as he saw Huo Gang.

Sun Er, this guy is a bit like a scientific research maniac, since Huo Gang finished talking to him about materials science, he has fallen into all kinds of material research, don't you say, this year's time, although his improvement is not very big, but Sun Er has conducted detailed scientific experiments on how to make ceramics of different materials and various refractory bricks.

If in the past, Sun Er only knew that this could make refractory bricks and porcelain needed for various materials, then now Sun Er knows why these refractory bricks can be made in this way.

This is very important, this means that Sun Er can be produced in batches, and he can already pass on his knowledge thoroughly, which is a huge progress, when this point is clarified, Sun Er may change a lot later.

"Chief, the two of them have finished reading the physics you need as you said." Sun Er spoke.

"Really?" Huo Gang was stunned for a moment and immediately asked.

"Yes."

"Wait, let's go, let's go to Xianggu, I'll produce a test paper." Huo Gang didn't say a word, and said directly.

"Yes." Sun Er agreed very simply, but the two young people didn't say anything at that time.

What Huo Gang said about letting them finish reading relevant physics is not just to let them read the book and memorize the book, but to directly give them a complete set of physics courses, so that they can learn and understand, there are some physical experiments in this era of lack of foundation, they need to do experiments by themselves and understand by themselves.

Therefore, this can not only be solved by rote memorization, to be honest, neither of them Huo Gang has taught too much, and what taught them is some principles that Huo Gang explained before, and then let them study and summarize by themselves.

To put it bluntly, it is much simpler to give them the answer and let them reverse the process according to the answer, and then grasp the principle by themselves, which is certainly much simpler than those pioneers of physics, but it is not something that ordinary people can do if they want to fully grasp it by relying on their own understanding.

This must be learned to be very open-minded, in this era of Confucianism supremacy, there are really few people who have such thinking. Therefore, Huo Gang gave this task to Sun Er and the others at the beginning, and let them cultivate.

If you can find it, it will naturally be the best, but if you can't find it, Huo Gang will not worry when he arrives, after all, there are so many children in the whole Han, and children are the future.

But I didn't expect to really meet such two talents.

Huo Gang postponed his trip, and simply directly produced a test paper with his hands here in Xiang Gu, although Huo Gang's physics scores that year were not very good, but after the college entrance examination, Li Zong could get a score of more than 85 percent.

Therefore, his physics grades are naturally not bad, if it weren't for the spiritual spring water, it is estimated that Huo Gang would not be able to sort out this knowledge thoroughly, after all, the spiritual spring water has made Huo Gang's brain so active now, and he has almost picked up a lot of knowledge that he had forgotten in his previous life.

After Huo Gang finished the test paper, he gave it to the two people, and the two of them began to do this test paper, the test paper was not a lot, but both of them finished the lecture within the time frame specified by Huo Gang, and when they took the test questions, Huo Gang took a deep breath, and the answers were correct.

Huo Gang's test didn't have any advanced knowledge, and even a lot of it was only in theoretical physics, but being able to answer all this knowledge proved that they had indeed learned these things, and then Huo Gang directly began to ask them relevant questions.

With the questioning of the two people, Huo Gang heard that they actually knew a lot of physics knowledge, which was normal, after all, they did not learn systematically, and like Huo Gang, when they were studying junior high school physics and high school physics, in fact, before they came into contact with physics, they already knew a lot of common sense.

When it comes time to learn, it will be much easier for them to be sealed, but the ancients never thought of such knowledge, and it was more difficult for them to learn.

"Not bad, not bad." After Huo Gang finished his inspection, he nodded with satisfaction.

"Chief, do I have a question for me?" After Huo Gang was satisfied, Zhuge Hai asked directly.

"I may not be able to answer you if you ask, but if I can answer your questions, I will answer them."

"Chief, there are a lot of things in this knowledge I have learned, such as the law of gravitation and so on, when we are doing experiments, just like you give that example, when two iron balls of different sizes land from a high altitude, they do land at the same time, but if the big iron ball becomes an iron plate of the same mass, it will fall very slowly."

"And when it's in the air, it changes direction, doesn't that mean that there's a force in the air that we don't know is changing the direction of its fall, and that force is the wind?" Zhuge Hai asked his question, "Can we use this power?" ”

Huo Gang was stunned for a moment, Zhuge Hai's physics study is really very basic, but the question he asked is too many, if these things are all explained, it is estimated that it will not be a matter of a while.

But the expressions of Zhuge Hai and Sun Ran, who were also looking at this side next to him, made Huo Gang understand that they were the real kind of people who had already learned physics, to be precise, such as kites in ancient China, Kong Ming lanterns, etc., in fact, they had already made very detailed use of these.

The problem is the details of this, and they definitely don't think about it that much.

"Of course, it can be used, this power is not wind, but buoyancy, in fact, it is the same as Kong Ming Lantern They float, this power can appear on all kinds of fluids to be precise, the so-called fluid is liquid and gas, and gas refers to air."

"If you put this to good use, then we won't have a problem building a machine that can fly into the sky." Huo Gang nodded seriously.

"Thank you, Chief." Both of them immediately arched their hands.

"No thanks, you have to study hard, if you really continue to study in this area, maybe in the future, in physics, you will be the ancestor of our Han Dynasty." Huo Gang said, "I'll give you a brand new physics book later, and you can bring up some things you need with Yang Wu." ”

"Sun Er, you have to train them well."

"Yes!"

"The two of you can move on to electromagnetism, and we're going to use electricity for the ultimate effect." Huo Gang said.

"Electricity?" Both of them were stunned for a moment.

"It's the thunder and lightning of the sky." Huo Gang explained.

If someone had told them this before, it is estimated that they would not have believed it, but Huo Gang told them that the thunder and lightning in the sky could be used, and they believed this.

"Yes!"

After they left, Huo Gang turned to Yang Wu: "These disciples who are learning from those craftsmen, are there any problems with their lives?" ”

"No, their living conditions are very good."

"Well, we must ensure that these students have daily life problems, and they must not be allowed to eat too badly, and they must supplement their nutrition." Huo Gang said seriously, "These people are the future of our Han. ”

"Yes! Chieftain. Yang Wu saluted seriously.

"By the way, and how are the senior worker training programs going?"

"I have selected several groups of workers, a total of about 800 people, most of whom mainly learn fitters, and other types of work also have a certain number of people, and they are currently learning very quickly." Yang Wu immediately spoke.

This group of people is different from Zhuge Hai, these people can be said to be the real mainstay of the type in the future, but for the time being, they can only start to learn, and then gradually improve, Huo Gang doesn't believe it, as long as he smashes the number of people, he can't train a few eighth-level workers in more than ten years?

These eighth-level workers are definitely enough for this era, after all, in this era you = can't expect to complete all industrialization, that's not realistic.

"Some of the living problems of this part of the workers also have to keep up, because taking into account the ideas of other workers, in the learning stage, you can reduce part of their wages, but let them eat better." Huo Gang thought for a while and said.

"Yes."

"In this way, when the Chinese New Year is celebrated this year, hasn't our entire Han flock reached one million? This year, during the Chinese New Year, I will ask Dahan Grain Store to buy some sheep for slaughter, and give them a part of the meat during the Chinese New Year. ”

"My subordinates understood." Yang Wu immediately nodded.

"By the way, since I'm here, by the way, how is your siege crossbow researched?" Huo Gang thought of military equipment, at present, although the entire Han does not have much enemy, but military equipment still needs to be continuously studied, and the heavy killing weapon of the siege crossbow must be focused on and studied.

"At present, we have investigated various materials, and maple is more suitable as the main material of the Turkic bow, especially the maple tree that has been watered by spiritual spring water." Yang Wu immediately said in a serious tone.

"The best wood we've found so far is the maple forest near Yangguan, which we have expanded by more than five times, and maple trees have been planted on both sides of the stream between Yangguan and Yumen Pass, including on both sides of the Huoci River Basin."

"According to our plan, we will probably complete the planting of maple trees on both sides of the entire Huozhi River basin by next year, which will ensure that the river will be stabilized, that the water and soil will be maintained, that soil erosion will not occur, and that enough materials will be left for us." Yang Wu said.