Even though I am curious, this question hurts the emperor's self-esteem.

Even though Liang Xiao gave several examples, he did not understand why the arrow shot finally fell back to the ground. In his opinion, it was natural and he didn't need to think about it at all. I guess there would be no other person besides Liang Xiao.

This was not a problem at first. However, once Liang Xiao raised this question, it became a problem.

A seemingly unsolvable question.

The emperor had a headache. He came to Huainan residence to find the answer. Now that the answer has not been found, there is one more question, which is really a headache.

"Then why did the arrow fall back to the ground?"

"I have been thinking about this question for a long time. It must have been since I learned to ejaculate, and I was thinking about it." Liang Xiao breathed a long sigh. "It was not until the last time I swam in the West Sea that I suddenly figured out this question."

"You have thought about it for so long?" The emperor smiled, and his injured self-esteem finally received some comfort. "How did you figure it out?"

"Actually, this is the same as the stone will sink in the water and the wood will float on the water. Your Majesty, why does the stone sink and the wood not sink?"

"Puff!" The emperor's self-confidence that had just recovered suddenly became a scum. He looked at Liang Xiao helplessly. I'm here to ask questions, not answer questions, okay?

Liu An, the King of Huainan who had been listening to each other, finally caught the opportunity and interrupted. "Because the stones are heavy, the wood is light."

Liang Xiao turned his head. "Have you seen mercury?"

Liu An nodded proudly and showed a reserved smile. Mercury is rare, but it is not difficult for him. Mercury is often used in Huangbai.

"What would it be if the stone was placed in mercury?"

The smile on Liu An's face froze. What a precious potion. Who would be so bored that he threw a stone into the mercury? Isn't this the same as putting **** in grape wine?

Liang Xiao asked, "I heard that the stone will float on the mercury and will not sink. Is it true?"

Liu An's old face turned slightly red. He really didn't know about this, and he had never heard of it. A gentleman was ashamed of being ignorant, and today he was embarrassed.

"I have never seen mercury, so I'm not talking nonsense. But water is something that can be seen everywhere. Stones will sink and wood will float because the stones are heavy and wood is light. Specifically, it should be that stones are heavier than water and wood is lighter than water, so stones will sink and wood will float."

"It makes sense." The emperor nodded repeatedly.

"It should be like this." Liu An nodded repeatedly, expressing his agreement.

Liu Ling smiled without saying a word, staring at Liang Xiao with a pair of wonderful eyes. Only she knew what Liang Xiao was doing best among the people here.

"Then. Arrows will fall, it should be that arrows will heavier than the air. Clouds will not fall. It should be that clouds will be lighter than the air."

"No," the emperor nodded again.

Liang Xiao immediately asked, "But why doesn't the fire meteor fall?"

The emperor rolled his eyes and became angry. "You just said it, after going around for a long time, what exactly do you want to say?"

"Your Majesty, you will not be angry or unleash yourself."

"Uh" the emperor was speechless, his eyes widened, but he couldn't say a word. "If you don't be angry, you don't speak, and if you don't speak, you won't rebel with one corner, you won't be able to return." This is the saying in "The Analects of Confucius", and anyone who has read Confucian books knows it. However, why is this sentence so awkward to say it from Liang Xiao's mouth?

Well, I was despised again. Although Confucius read the book, he did not read it in his heart, nor did he take action. He was taught a lesson by a warrior like Liang Xiao.

"Because the fire meteor is moving. Once the fire meteor stops, it will sag naturally. The arrow is also the reason. It falls because the flight speed has slowed down..."

Liang Xiao talked for a long time and finally explained the emperor and Liu An clearly. It was said that these two people were probably the smartest people in the world, but Liang Xiao had to explain the simplest gravity and free fall to them clearly, and he also had to use language they could understand. The most important thing was that he had to put on a layer of disguise, making them feel that this was realized by a Han Dynasty person, rather than appearing out of thin air.

Even so, he didn't dare to say it all. He couldn't explain clearly how the specific gravity acceleration was obtained. He could only give one result, when things fell from a high place, they were getting faster and faster.

"So, you don't have a fixed pattern?" The emperor was a little disappointed.

"Not yet." Liang Xiao said confidently again: "But, if you give me another month or two, I think I should be able to write a fixed pattern." He glanced at Liu Ling, with a little more pride and happiness in his eyes. "Ling'er is familiar with Western Region arithmetics. With her help, the fixed pattern is about to emerge."

The emperor turned his eyes and said nothing, and suddenly he had an idea.

"Your Majesty, do you think this shooting trajectory is worth a thousand gold?"

The emperor glared at Liang Xiao angrily. "If there is a fixed pattern, it may be worth a thousand gold. You don't have a fixed pattern at all, so where is it worth a thousand gold?"

"The fixed pattern will be available soon. At that time, I will definitely offer it to Your Majesty as soon as possible."

"Hmph!" The emperor snorted, and wanted to speak but stopped, but thought to himself that this fixed pattern was about to come out, and it might be possible for who will get the fixed pattern first. I will write it out first, so that you can see how smart I am.

The emperor had something to do in his heart, so he stopped staying and hurried back to the palace.

After seeing off the emperor, Liu An returned to the hall and looked at Liang Xiao meaningfully. "You can take out the fixed pattern now, right?"

Liang Xiao smiled. "Why did my uncle say that?"

"Although I don't understand what you said, I can understand people." Liu An took a seat and said calmly: "You have said so much today, just to tell the emperor that the Huang Lao art is all small tricks that can bring benefits to him but will not interfere with his government affairs."

Liang Xiao smiled but said nothing. Although Liu An was a scholar, he still had a vision, especially when it was not related to his own interests.

"However, fighting without fighting is a secret in line with the meaning of Huang Lao Dao. I was a little worried about your safety, but now it seems that I am too worried." Liu An sighed with relief and stroked Liu Ling's hair bun. "Ling'er, the father's vision is not as good as you. It's better that you are safe, and the father has no concern."

Liang Xiao curled his lips secretly. This old scholar clearly wanted to "seek profit", but he was embarrassed to speak up and play the card of warmth.

Liu Ling hugged Liu An's arm and smiled and said, "The father doesn't have to worry. The husband has his own arrangements. As long as the father always keeps the teachings of the saints in his heart, silently keeps the easy way, and keeps it dry all day long, there will be no fault."

"Not that easy." Liu An sighed: "God will be impermanent. Who knows which cloud will rain? Your heart is unpredictable. Who knows which villain will complain? King Jiangdu..."

"Father, what are you saying? Do you want to compare yourself with a beast like Liu Jian who corrupts human relations?" Seeing Liu An sighing and comparing Liang Xiao to a villain without any choice, Liu Ling was very angry and immediately stopped him.

Liu An was very embarrassed. However, he knew in his heart that even if Liu Jian corrupted human relations, it was not worth mentioning compared to his plan.

"I won't say it anymore, I won't say it anymore." Liu An concealed: "How about it, tell my father, how did you feel when you were a wife? Ling'er, you have been smart since childhood. I have always treated you as a man. Now that I am married, I can't do it like before. Bo Ming will do it in the future. You can take care of your husband and children and be a virtuous assistant. Don't be pointed at the backbone. Did you hear it?"

"Daughter knows." Liu Ling nodded and said, "I have discussed with my husband. When you return home, we will go back with you to accompany your mother and brother Wang. I got married, and they couldn't come either. So let's go back together to see them."

"Okay, okay." Liu An nodded happily.

"There is another thing." Liu Ling looked at Liang Xiao. Liang Xiao smiled and signaled her to say directly. Liu Ling said, "I came to Chang'an and the business in the South China Sea will not be done anymore. Let me hand it over to my father. My father arranged trustworthy people to run them. The father kept those building ships for me to keep them carefully. Maybe I will use them at any time."

Liu An agreed immediately. He was making the idea of ​​those building ships. Liu Ling handed over the building ship to him, which was exactly what he wanted.

"Although those building ships have been transformed, they are still only suitable for near-shore navigation. If you want to go in and out of the storm, you need to do more research. Deng Guobin, I want to take them away. There are three thousand guests in the mansion. If you choose a few available people, your husband will teach them what he knows as much as possible."

Liu An was overjoyed. He looked at Liu Ling and Liang Xiao again. "Is this... that's the strategy to seek profit?"

"It's still a way to avoid harm." Liang Xiao said: "However, you think it's all right to seek profit. Dou Ying wrote a memorial to the emperor and suggested conquering Nanyue and restoring the old Qin territory. The northern border and Henan have already obtained it, and it's urgent to capture Yinshan. Next, it's time to go south. To take Nanyue, it's most labor-saving to use a ship. At this time, Huainan studies building ships and navigate skills, with the least resistance."

"The emperor wants to take Nanyue?" Liu An was worried. "When the 500,000 Qin troops took Nanyue, they lost their gains and losses, and the sound was still in their ears. Why did Dou Ying come up with this bad strategy?"

"This is the time, and that is the time." Liang Xiao said: "Ying Zheng's southern expedition was after a hundred battles, but now he has accumulated sixty years of rest and recuperation. How can he talk about it? Uncle, once Nanyue is incorporated into the territory of the Han Dynasty, there is no need for Huainan to exist, so there is not much time left for you. If you can't take this opportunity to move the border, you might have to choose another path."

Liu An frowned. "What's the way?"

"Stand up with peace of mind and be a saint like Confucius."

Liu An thought for a long time and shook his head. "Although this road is good, it is not something I can choose."

Liang Xiao didn't say anything else. He gave Liu An another choice. If Liu An didn't choose, he would have to go all the way to the dark. However, for him, this was a good thing. If Liu An admitted defeat, was willing to give up the throne, and bowed down to the court, he would be very disappointed. Because it not only cut off Liu An's own path, but also cut off Liang Xiao's retreat.

It has to be said that it was God's will to be able to get together with him and Liu Ling. In essence, they are unwilling to stay in their own position and refuse to surrender to someone. The only difference is the degree and the motivation is different. -
Chapter completed!