Why the sky and the sea are blue, in fact, this doesn't matter to most people. They don't know what specific application of this principle is. He just thought of it and explained it casually, aiming to let students realize that everything in this world can be explained by scientific theories different from "mysticism".

Pretending to be mysterious or even pretending to be a ghost is the most resentful act of the Party’s patriotism. If he wants to do that, he can do that from the beginning instead of choosing such a more difficult path. Fooling people does facilitate rule, but it seriously hinders the future development of the entire nation. Party’s patriotism is not the kind of person who cares about the flood after I die, otherwise he would not have just become an Internet police officer - although in the era he lived, selfish people seemed to have become the mainstream.

I hope these students can recognize the huge role of science and technology in the development of their families. The Party and the country do not expect to educate them as noble people who devote themselves to the development of all mankind and scientific progress. As long as they can realize that the development of science and technology will create greater value for the fields, plantations and factories that their families have in the future, and their interests are far beyond simply growing and harvesting grain.

Although the Party and patriotism have relatively noble sentiments, it can be said that it is just his personal hobby. His brain is not bad, and he has no idealism. His final prediction is to turn China into a capitalist country similar to that of the oligarchs. The so-called oligarchs are more than a dozen families that have developed the best technology and industry and commerce among those aristocratic families.

As for the emperor's dictatorship, he must be eliminated. If it is just a family and lacks competition, the rule of the foolish people is undoubtedly the best choice, and there is no need to develop any technology. As long as the emperor has any needs, he can just try his best to squeeze the people. And those aristocratic families will lie behind the emperor and absorb the blood of the people like in the past. If there is any problem, he will surrender to the new emperor.

Technology and change will surely make some people afraid, but the vitality and competitiveness of these two are something that the Party and patriotism have never doubted. Even if the Party and patriotism do not come, the world will become a world dominated by technology in a thousand and eighteen hundred years, and China is no exception. What he has to do now is to use his special abilities to block the wind and rain for technology and let it grow and grow. It is better to go through the unnecessary tortuous process as little as possible.

Because in this world, time does not wait for people, and opponents do not wait for people.

=====I cherish the dividing line of time=====

If we want to achieve the goal of the Party's patriotism, then students must see the practicality of science and technology, and this is not something that can be achieved by arousing their curiosity and satisfying their curiosity. Spraying a rainbow with your mouth, why is the sky blue? Even if they don't know, they don't want to know, and they don't want to know, so what? These seem to bring them no benefits.

It was precisely based on this consideration that after Dang Aiguo finished talking about why the sky and the sea were blue, he put down his pen and picked up some round crystals from the small table next to him. Then he ordered Jian Shuo and Bi Lan to go forward and distribute the small prisms on the table and small lenses with the same shape as in his hand to the five people in the first row.

Dang Aiguo pinched the lenses that had been embedded in the wooden frame with his fingers and said to the students: "In addition to the small prisms, what I just sent down, there are concave lenses and convex lenses. The thin middle and thick surroundings are concave lenses, and the convex lenses are convex lenses in turn. They can also refract light, and simply draw them is probably... this and this."

This time, the Party Patriotic Republic only drew a few simple drawings with no detailed explanation. He saw that the military generals behind him were all not interested in these principles, lines, etc. Instead of telling them this, it would be better to tell them that eating meatballs and noodles at noon would make them more energetic. However, the Party Patriotic Republic does not care about it, and what they will say next will definitely arouse their interest.

After putting down the pen, Dang Aiguo took another lens and placed it in front of his eyes one by one and one behind, gestured and said: "These lenses are also made using the principle of refraction of light. As for the function, you can pick it up and take a look. Putting a single lens in front of you can make people with bad eyes see more clearly, but this requires the most suitable lens to be created according to each person's different vision. A single convex lens can enlarge the object.

If you pair the two lenses one by one and one by one, and then find a suitable distance, you will clearly see that the things in the distance seem to be near in front of you. You can try to replace different lens combinations back and forth. Some of the lenses are combined to enlarge the inverted image, some are in a positive image, and some are always blurred, and the degree of enlarging of different combinations is also different.

You may not have thought about the use of this, but what if we use this thing that can amplify objects in the distance on the battlefield? When the enemy still cannot see us clearly, we can see the enemy clearly and make targeted arrangements to win the war. And if we keep winning the war, we can almost win everything."

After Dang Aiguo finished speaking this sentence, he saw that except for the four beautiful girls in the first row, all the men's eyes were lit with their eyes. He smiled slightly and said to the students: "Next, you can test the functions of these lenses one by one. After reading them, it will be passed to the students behind. Don't worry, come one by one. Be careful to get them. This lens is very difficult to make."

As soon as the Party's patriotism finished speaking, Wang Can immediately picked up two lenses to test what Party's patriotism said. The other four beautiful girls in the first row seemed slow, and the boys sitting behind them wanted to rush up and put the lenses in front of them step by step, so that they could finish watching them quickly.

Although Dang Maiguo had explained the function of these lenses before, when these students actually saw objects in the distance, they couldn't help but exclaim. Fortunately, there was no such thing as the rustic bun that was so scared that they dropped the lenses. Only Sun Ce, the boy, Da Qiao turned around and handed him the experimental equipment, his mouth sagged and his eyes rolled. His hands trembled and his prism dropped on the table, which made Dang Maiguo's heart tremble.

These lenses are not only difficult to make, but they are quite difficult to make. Although the Gang Paiguo only made the lenses that were successfully made but not large in multiples, this is almost all the inventory in his hands.

When making this kind of thing, it was originally a place where machinery was better than manpower, but in fact, because the mirror grinder was not good enough, the power was uneven when the machine was running, and it often trembled. Therefore, the pass rate of machine manufacturing was still 0 for the time being. Now the finished lenses are all made by hand. But the Party and the National Arts National will naturally not give up on the mirror grinder. Even if it cannot be fully automatic, semi-automatic. At least the simple grinding work must be stable and not trembling.

When these students adjusted their lenses and watched around, they would mostly choose to look at the Party and Patriotic standing on the podium. This was no big deal. After all, the large windows were closed, and the farther they stood in front, the more eye-catching the goal. However, with their loud shouts, Patriotic felt that they were watching like an alien, and they couldn't help but show a embarrassed expression on their faces.

However, what made him happy was that the two miracle doctors Hua Tuo and Zhang Zhongjing did not do that. They simply tried the combination of each lens, looked at the rainbow decomposed by the prism, and passed the experimental equipment to the people behind them. Of course, this was because Dang Aiguo had already "prescribed small sips" for them alone before, and used two lenses with the most perfect and magnification with the highest magnification to tinker with a very simple microscope for them to use, and naturally explained the optical principles.

With this not very useful microscope, Dang Aiguo also explained some knowledge of biology, microorganisms, parasites, bacteria, and viruses to Hua Tuo, Zhang Zhongjing, the imperial doctors of the Imperial Hospital and some famous doctors sent from various places. Of course, various knowledge of the human body is indispensable. Then he also knew about medical related knowledge about pathology, pharmacology, physiology, etc., and he tried his best to teach these "Traditional Medicine".

Why do we need to quote marks? It is because in traditional Chinese medicine at that time, there were naturally some magical things like witchcraft. However, for a long time, it was a common phenomenon in the whole world that doctors and witches were not separated. The treatment level of traditional Chinese medicine was much higher than that of the so-called "Western medicine". Even now, it can only be said that Western medicine is more suitable for mass production of doctors who can basically cure diseases, and it cannot be said that the treatment effect of Western medicine is completely beyond traditional Chinese medicine.

However, one thing is that in basic theory, modern medicine led by Western medicine has left traditional Chinese medicine far behind. While Western medicine can scientifically update its medical theories based on objective facts, traditional Chinese medicine is still using the old theories from thousands of years ago. Few people steadily study how to update traditional Chinese medicine theories, and no one dares to completely reform traditional Chinese medicine theory at the risk of being scolded by most of their peers.

Now, what are traditional Chinese medicine talking about? Isn’t this nonsense? Although these theories can be used, they are not scientific enough and not accurate enough. If they can be used, they can just pass by. If they cannot be cured, they will “varied from person to person” and “not able to meet the strength” - this is all? Can’t we find a more scientific explanation of the so-called pulses and meridians?

It is precisely because of this that the Party Patriotic intends to force these traditional Chinese medicines to move towards a more scientific direction from the beginning and use more scientific methods to study traditional Chinese medicine. He believes that as long as they know how to study scientifically and are willing to continue to study, they will always find a more objective theory of traditional Chinese medicine that conforms to objective laws. In fact, it is to study traditional Chinese medicine into a combination of traditional Chinese and Western medicine. However, traditional Chinese medicine and Western medicine, one from the whole to the part, and the other from the part to the whole, will definitely lead to the same destination in the end.
Chapter completed!