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Chapter 679: You dont know how to learn

Changsun Wuji did not reach for the tea bowl. He did not trust the young man in front of him and did not want to just listen to this scene.

After Zhang Yang finished speaking, his face was calm and somewhat relieved.

"Does Mr. Zhao Guogong think that such a big thing is planned by us?"

The Emperor fell asleep, and the eunuch at the side was also drowsy, and his eyelids were so sleepy that they kept fighting. Seeing that there was not much tea in the bowls of Zhao Guogong and the County Marquis, they quickly added more tea, and then stood aside and continued to feel sleepy.

After drinking the tea, he felt less sleepy. Some sweat dropped from Changsun Wuji's forehead. The sweat almost reached his brow before he wiped it away. He took another sip of tea and said: "If this matter was planned three years ago, I would

I thought it wasn’t too difficult.”

Zhang Yang put down the tea bowl, "What Duke Zhao Guo said is that it is not too difficult in the first place and others can do it. Goguryeo is not even as big as a state capital in the Central Plains."

"Where did the weapons in Wen Ting's hands come from?"

Speaking of Wen Ting, Zhang Yang said with a relaxed face: "Actually, I don't know Wen Ting. I just heard that he is the second son of Mr. Wen Yanbo. He is a passionate person. Knowing that

According to the old man’s last wish, he resolutely devoted himself to Liaodong.”

"It was also because of the old man's last wish that he went to Liaodong. Wen Ting may have received a letter from home that the old man passed away." At this point, Zhang Yang lowered his eyebrows and sighed, "The old man's life was full of ups and downs and helplessness. Whenever he

If I can live for two more months, I can also see this exciting news."

Speaking of the old gentleman, Changsun Wuji looked a little lonely, "I'll ask you again, where did Wen Ting's weapons come from?"

Zhang Yang drank the tea, pursed his lips and swallowed it, "I don't know for sure. If Zhao Guogong had asked him himself when he came back, I would have stopped asking about the matters of the Ministry of Rites."

"You are still the Minister of Rites."

"Zhao Guogong is joking again. It is a well-known fact that the official in name is no longer the Minister of Rites, but now Xu Jingzong is arranging the affairs of the Ministry of Rites."

"Even if you say that, what happened three years ago was arranged by you."

"It seems that Zhao Guogong still doesn't understand." Zhang Yang exclaimed: "Da'an's going to Liaodong was his own wish and was arranged by the Central Government. It has nothing to do with the Ministry of Rites. Moreover, the reason why Da'an took people to Goguryeo was to rescue Li Yifu. After rescuing Li Yifu,

On the way, we had no choice but to attack the royal city of Goguryeo, so we had to take this strategy."

Changsun Wuji's face turned darker and darker.

Zhang Yang continued: "This is all just a coincidence. Our Ministry of Rites actually discovered that there was an internal problem in Goguryeo last year and sent several messages to ask Li Yifu to come back. It's just that he was too stubborn and did not bring back the bones of the soldiers from the Central Plains.

, I vowed not to give up, which is why we are in this situation now.”

He paused for a moment, wiped the sweat from his forehead and said, "Mr. Zhao Guo, do you understand now?"

After a long silence, Zhang Daan's attack on Goguryeo was either an accident or a coincidence, and he did not use Liaodong's troops.

If Zhang Yang arranged this matter, then there is no way to blame this arrangement.

No loopholes can be found, and no reason can be found. Everything is coincidence, nothing is deliberately arranged, everything is accidental.

Perhaps the Tang Dynasty really wants to regain Goguryeo in such a ridiculous way that is unbelievable. Is it possible that the King of Goguryeo can be reset and mobilize his troops, and the two sides square up and fight again, so that the Tang Dynasty can conquer it legitimately?

This is obviously unrealistic. The reality is that the emperor is a cannibal. Since he wants to recover Goguryeo, he will definitely build the Andong Protectorate.

Zhang Yang sighed: "Does Duke Zhao still have any doubts?"

Changsun Wuji's eyes were gloomy, "It's too perfect. Mr. Zhang Yang underestimated you at the beginning. You are a person who makes decisions and then acts. You have indeed changed."

"How have you changed?"

"You were arrogant and arrogant at the time. His Majesty asked you to study with the prince. In Chongde Hall and the library, you read so many books. In those three years, you did not waste your time. You did grow and make progress.

, From now on, I will never look down on you again."

Changsun Wuji drank the tea in the bowl in one gulp. He remembered Gao Shilian's warning and understood his good intentions.

Standing up slowly, he straightened his clothes and whispered: "Zhang Yang, after you left the position of Minister of Rites, His Majesty beat you for three years. At that time, many people expected you to smooth out the edges during the beating.

, to become a more stable minister."

"Three years later, you became the Minister of Rites because you presented Gaochang. At that time, your style was still the same. Some people said that His Majesty beat you for three years and made you study hard for three years. You have not changed at all. You are an unteachable person.

people."

Changsun Wuji frowned and said: "It is good for a person to grow up with everything and experience, and it is worthy of admiration, but a person hides what he has learned and understood because of worldly affairs and experiences, and is still cynical on the outside, but in his heart

People with far-reaching plans can accomplish great things."

"So Zhao Guogong wants to quote scriptures?" Zhang Yang said with an innocent face, his hands folded, and he even blinked innocently.

"King Gou Jian of Yue is worthy of admiration. You are different. You have always hidden your true intentions. You will not reveal your true intentions until the last moment. You are also very young."

Zhang Yang had a smile on his face, "If you crush Zhao Guogong to death, it's like... yes! It's like crushing an ant to death. I don't have so many plans and plans. I really misunderstood."

"A few days ago, I read the reports from various prefectures and counties. A man named Pei Xuanji used the name of your Taifu Temple to check the crop cultivation situation outside."

Zhang Yang nodded heavily and explained: "Please don't be suspicious of Duke Zhao. He is the one we sent out to understand the status of crop cultivation, because the archives of Taifu Temple have been discontinued since Wude three years ago, and there are still many incomplete ones that need to be rewritten."

Statistics and records require sending people to various places to check the situation."

"If you tell the Zhongshu Sheng about this kind of thing, the report will be sent to you naturally. Why go to all the trouble."

"Zhao Guogong doesn't know. In order to make the results of their governance look good, the state governments will inevitably exaggerate. Only when they send people to see it can they know what they know."

When I came to Lishan this time, besides seeing the Supreme Emperor, I naturally wanted to ask Zhang Yang about his words.

Changsun Wuji was about to leave when he said: "Yesterday, His Majesty gave instructions to come to Lishan Mountain to escape the summer heat. You should make preparations early, and I will go see Zhang Gongjin."

"Mr. Zhao Guo, walk slowly."

After Changsun Wuji left the house, Li Yuan closed his eyes and whispered: "The assistant machine is just suspicious, don't take it personally."

Zhang Yang smiled and said: "How can I be surprised?"

Li Tai was still looking at the drawings in a daze...

Shaking his head and sighing, Zhang Yang stepped forward and asked, "How is the progress of His Majesty the King of Wei?"

Li Tai supported his fat face with one hand and sat cross-legged. He held the drawing in the other hand. There were some bloodshot eyes in his eyes. "The air pressure of the steam engine is very strong at the upper end, but weakens at the lower end."

Steam rises, and the air pressure will drop when it reaches the lower end. This is a very simple logic. After all, steam is the rising force.

Zhang Yang glanced at his drawings, and found that there were generally no problems, and then said, "Why doesn't His Highness, King Wei, add a device at the bottom?"

"What device?" Li Tai said weakly.

Zhang Yang picked up a charcoal pen resting on his ear. Now the technical staff on Lishan Mountain were accustomed to writing with charcoal pens. After sharpening them with coal stones, they sandwiched two pieces of wood.

This kind of charcoal pencil is rectangular, mainly because it is easy to make a rectangle, but it is too troublesome to make a cylinder.

Moreover, the rectangular shape is more suitable to be held in the hand, which is the experience of Lishan people.

When they saw the owner of Lishan using charcoal pens to write, they would naturally follow suit, and when they knew that this kind of charcoal pen was easy to use and did not require ink, it saved more money.

On the basis of cost saving, everyone uses this kind of pen.

Graphite is now too difficult to obtain and expensive, making it unrealistic to make authentic pencil technology and materials.

I originally thought of using it as a makeshift, but I didn't expect it to become so popular in places like Lishan.

Zhang Yang was revising Li Tai's drawings while explaining: "His Royal Highness the King of Wei's idea is correct, but the use of steam is wrong. Steam generates pressure to push other things, which requires a lot of pressure. Since the air pressure at the lower end

If it’s not enough, then make a device below to accumulate air pressure.”

"Of course, under the influence of the air pressure difference, once the steam is released, the thrust will be weakened, so the steam cannot be released before kinetic energy is generated. This is where His Highness the King of Wei misunderstood."

Li Tai listened very carefully, sweat dripping down on the drawings.

Zhang Yang drew a box and designed an air valve in the box. "King Wei, please see. When there is enough steam inside, the air valve is pushed and kinetic energy is generated."

"In this way, the principle of releasing steam before generating kinetic energy is achieved."

Li Tai wondered: "I have considered this, but just pushing the air valve is useless. Do you have to pull it back and work again? This is different from what you thought in advance. How to make the air valve retract again?"

Zhang Yang smiled and said: "It's very simple. Do you still remember our waterwheel?"

"of course I remember."

Zhang Yang continued to outline the drawing and drew a pull rod at the front end. "While the air pressure is pushing the pull rod, the wheels at the front end are pulled by the pull rod and perform a circular motion."

Li Tai nodded to indicate that he understood this part.

"It requires two air inlets for air pressure to enter the air valve. When one end is pushed, the other end will also slide. At the same time, the steam will be discharged after each repetition, thus completing the cycle."

After giving him a sample picture, Li Tai thought about it for a while, as if he was digesting the knowledge.

Suddenly he looked up and saw Li Yuan standing aside. Zhang Yang smiled and said, "Do you understand?"

Li Yuan snorted coldly and turned away.

Li Tai quickly put away the drawings, "Thanks to my brother-in-law for your advice, I finally have a way to solve it. It turns out that it's not that the air pressure is not enough all along, but that no matter how high the internal air pressure is, as soon as the steam comes out, the pressure will be lost."

"The air pressure has nothing to do with the internal temperature and capacity. The released air pressure is equivalent to changing the environment. No matter how high the air pressure in the external environment is, it is just a gust of wind at most. This is the truth."

Although this fat man is a glutton, he has never been successful in losing weight. His understanding and understanding have always been very strong since he was a child.

He knew everything about many issues. With his talent and practical experience, his understanding of physics had surpassed everyone in the Tang Dynasty.

To Zhang Yang, who had undergone sophisticated and systematic study in later generations, this was just simple physics knowledge.

Seeing that he had understood the problem, Zhang Yang nodded and said: "Actually, the pressure inside the steam engine is sufficient, and the work needs to be done internally, not externally."

"Before, I thought it was easy, so let's go and try it." Li Tai ran back just as he was about to leave, "Does the air valve use beef tendon?"

Zhang Yang sighed melancholy, "Beef tendons will also be stewed into a paste. The temperature of the steam is so high. What do you think, His Highness the King of Wei?"

It has been three years, I have been troubled by steam engines for three years...

Li Tai only felt that he had been living in a dream for the past three years. He had grown a beard and had not yet built a steam engine. He was usually very smart, but now he asked a very stupid question.

Li Tai added: "Use cork and refined iron, yes!"

The fat man pulled up his pants and ran away.

The steam engine has become his inner demon, and if he cannot build it now, he will be trapped in it for the rest of his life.

Li Tai's bodyguard stood aside and said aggrievedly: "Thank you so much for your advice, Marquis of the County. Your Highness, King Wei, has been very miserable this year."

Zhang Yang put his hands in his hands and asked doubtfully: "Really?"

"Yes, His Highness the King of Wei has not slept soundly until noon for a long time, and he rarely cooks his own meals. He comes to the Emperor's place to eat all day long. His Highness the King of Wei said that this is more trouble-free and saves time."

Zhang Yang patted the guard on the shoulder and said, "When His Majesty the King of Wei creates this thing, the prosperity of the Tang Dynasty will definitely have his name and contribution."

"I hope." The guard looked solemn and solemn, and ran towards the direction Li Tai left. His back full of sadness was unbearable to look at.

After King Wei and the Supreme Emperor left, the courtyard was empty.

After Changsun Wuji left, Zhang Yang went to see the teacher. At this moment, Zhang Gongjin drank the decoction and said, "I heard Changsun Wuji tell you about Da'an, why didn't you tell me yesterday."

After finishing the soup in the bowl, Zhang Yang reached out to take it, "I thought that Brother Xiang and Da Su should tell the teacher such important news."

Zhang Gongjin nodded slightly, "You are more experienced than before."

"The teacher was joking."

Looking at the student who had become his teacher at the time, Zhang Gongjin smiled and said, "Yes, I'm right. There are some things that don't need to be taught. Once you have experienced a lot, you will become good at it if you don't learn."

These words are full of bitterness. Zhang Gongjin is a person who is pessimistic about reality. He had always given optimism to his teacher before.

After Wen Yanbo passed away, it seemed that he had given the teacher a huge blow and returned to his previous pessimistic state. The reality is bitter, whether in the previous life or in this life, just like what the teacher said.

The teacher's housework is the teacher's business. As a student, you can help a little, but you can't get too involved, especially in the teacher's evaluation of his son.

Zhang Yang helped the teacher organize the desk, "Did Zhao Guogong say something?"

When the student's ability and power surpassed that of the teacher, Zhang Gongjin couldn't tell whether he was proud or helpless. He felt more and more old. He whispered: "I talked about some common things, and also said that Da'an should return to Chang'an as soon as possible."


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