Everyone rested by the lake, but they could not be quiet, and before long the conversation turned to the gentlemen.

The teaching methods of Zizhu Academy are terrifying, and the collection of books in the library of Zizhu Academy is also terrifying, which everyone can understand.

However, the existence of those gentlemen really frightened them, and it was also what everyone cared about the most after they came back to their senses.

Those who are inhuman.

Tonglan listened to everyone's words on the side and felt very comfortable.

It's so much fun to tease these people, but I didn't have that opportunity in the past.

Ning Changqing walked up to Tonglan and sat down, and said with a smile: "Today we are really eye-opening!"

Tonglan was a little hesitant to answer when she heard this.

Ning Changqing didn't wait for her to answer, just asked with a smile, "That old gentleman in the library, is it the one on the list?"

"You know?" Tonglan thought for a moment and said, "I've never lost anything in the academy, thanks to him!"

"With him, who can steal things here?" Ning Changqing confirmed the conjecture in his heart and smiled bitterly.

Sure enough, it was him.

Such a character actually worked as a janitor at Zizhu Academy......

He let out a long sigh and spoke again, "What do you all learn?"

"Chinese, Mathematics, Chemistry, Physics!" Tonglan counted with her fingers.

There are many more aspects in the library, such as sociology, psychology, architecture, poetry, medicine, education, materials, agriculture, philosophy, law, manufacturing, economics, ...... Too much.

Thinking about it this way, Tonglan felt that the academic course was not heavy.

If you want to learn everything...... Even those perverts with swords on their backs can't do it!

Ning Changqing became a little interested and asked, "What are these types? Can you elaborate on them?" ”

Tonglan raised her eyebrows, a little impatient.

However, seeing that these people have brought so much fun to themselves, they lowered their brows again, and said in a calm voice: "Language is literacy, mathematics is mathematics, you also have to learn the "Sutra of Calculations", right?

As for physics, the natural phenomena of heaven and earth, the structure of matter, the interaction of matter, and the laws of motion of matter. ”

Ning Changqing interrupted Tonglan and asked, "What are you talking about...... material?"

"Everything between heaven and earth cannot be touched, as long as it exists, it is in it.

Whether it is the earth, stones, trees, flowers, birds and beasts, but also the breathing air, the clouds and lightning in the sky, and the ice and snow on the peaks, they are all in it. ”

Ning Changqing listened to the other party's words, and there was surprise in his eyes.

The surrounding students who were attracted by this conversation couldn't help but say, "Isn't this the Great Dao of Heaven and Earth?"

"That's exactly what the ghost said back then. Tonglan thought about it carefully, "That's right. ”

In the eyes of others, it is the Great Dao of Heaven and Earth, but in the eyes of these students of Zizhu Academy, it is subdivided into different things.

Silent.

Learn the avenue between heaven and earth?

"It's not as powerful as you think. Tonglan is thin-skinned and explains somewhat: "For example, why does the fruit on the tree fall? It doesn't fall to the sky, but vertically?"

"Because the earth is underneath?" someone subconsciously asked.

"Then why did it fall underneath?" asked Tonglan rhetorically.

Everyone: "......"

This is a matter of course, and few people have really thought about it.

"Why?"

"That's what we're learning. Tonglan said lightly, without meaning to explain to everyone.

This question seemed simple to her, but everyone in the academy began to scratch their ears and cheeks. Why? No one had asked about it before, but now someone brought it up, but they said it halfway, as if they were tickling their hearts with a feather.

"Xiaoyou, the old man is also very curious, and I hope that Xiaoyou will give me advice!" Ning Changqing couldn't help but say.

Only then did Tonglan explain: "The earth has gravity! There is gravity between any object in this world, which is one of the several fundamental forces in the world. ”

When everyone heard the phrase "one of the few fundamental forces in the world", they immediately did not realize what was going on.

Even the chattering people stopped talking, and they all gathered behind Tonglan to listen to her.

"Since any object in the world has a gravitational pull, why is it not sucked into a tree, but falls to the ground?" Xue Yuanpei asked with a cold face, although he didn't understand too much, but he immediately found the flaw in Tonglan's words.

"The magnitude of gravity is related to mass. And the mass of the earth is the largest, so it will fall to the earth. Tonglan didn't say that the world is a sphere, after all, this is just what the book says, but it only says that the mass of the earth is the largest, so the gravitational pull is also the largest.

Seeing that everyone still didn't understand, Tonglan asked, "Why does this world revolve around the sun?"

Everyone in the academy immediately wondered: "Isn't it the sun that rises in the east and sets in the west?"

Tonglan was dumbfounded, and she suddenly found that there were many things that could not be explained to these people.

If you want to explain, then three days and three nights are not enough.

In the end, he gave up with some headaches: "If you have studied physics, you will know, I will explain this thing to you is too troublesome." ”

I don't know who suddenly said, "You shouldn't be bluffing us, right? Otherwise, how can you explain it?"

There was silence in the middle of the moment.

Tonglan's face instantly became cold, and she flashed into the air, looking for the position where Fang Cai was speaking, and wanted to step on it.

Girl, I am kind enough to explain to you, but you still question me?

Miss Copper was angry, but she said it unintentionally. Cao Gui barely kept up with Tonglan's speed, and hugged his fists in front of Tonglan and smiled bitterly.

"Originally...... I can't explain it myself......" The scholar who had just spoken whispered again, very unconvinced in his tone.

Tonglan's face suddenly turned pale.

"It's because you're too ignorant to explain to you!" Tonglan said with anger in her heart and in a contemptuous tone.

At this time, many students of Xiaojiang Academy also showed angry faces.

Xiaojiang Academy is one of the five major academies in Izumo, and they are the best among the academies, so where can they not be courteous?

You have reduced the people to ignorance with a single word, but you can't say why, how can the people be convinced? How can you not be angry?

"You should have come to hear if we are ignorant or if you are a lie!"

"I don't have a lot of knowledge, but my temper is not small. ”

Hearing everyone's words, Tonglan felt that a wave of anger in her heart was about to erupt.

Growing up, who has questioned themselves so much?

What's more, I was still kind enough to tell them about it, otherwise I wouldn't bother to pay attention to them.

I didn't expect it to be questioned by them as nonsense.

Tonglan's delicate little face was so blue that she was about to explode, and her hair floated up.

"Shut up!" Ning Changqing shouted in a deep voice.

He hugged his fist at Tonglan and said: "Little friend, you are old, and you are only half a foot away from entering the coffin, and you can see everything." However, these students are all young people, and they are vigorous, and if they are offended, please don't blame them. ”

Then the voice changed: "But if Xiaoyou doesn't explain, I'm afraid that these disciples will not be convinced, thinking that Xiaoyou is lying and deceiving, which will not only affect Xiaoyou, but also affect Prince Zhao's reputation." ”

Tonglan's chest rose and fell a few times, and she glared at everyone viciously.

I was so angry in my heart that I had to suppress my anger.

At the same time, I also know that if I don't explain it to everyone, I'm afraid that there will really be gossip about what happened to Zizhu Academy.

But it's not easy to explain.

Not to mention anything else, just because the world is round, you have to argue with them for a long time.

After a few turns in his mind, he said in a sullen tone: "Have you ever seen a ship go to sea and sail home? If you haven't even seen this, then it will be useless for me to explain more to you." ”

"I've seen it. "Immediately humane.

Izumo is close to the sea, and half of the twenty people have seen it.

"What is the last thing a ship can see when it goes out to sea, and what is the first thing it sees when a ship returns?"

"Mast!" the many students said immediately after a moment's thought.

"That's right!" Tonglan looked up at everyone with a look of contempt.

"Why are the red and yellow moons sometimes round and sometimes arc-shaped?

"Does this have anything to do with what you just said?" the crowd did not know why, but immediately objected.

"Naturally. Tonglan said proudly.

"You always know the dusk moon, right?" The dusk moon is the scene when two moons overlap when parts of the moon overlap, usually once every ten years or so.

At dusk, the two moons overlap, and the moon is also missing a corner.

And because of the time period, the process is very clear.

Compared with the moon you usually see, it's actually quite obvious.

Ning Changqing heard Tonglan mention the faint moon, and suddenly remembered an interesting story he had heard before, raised his head and stared at Tonglan tightly and asked, "You mean, this world is round?"

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