"How is it? You're rejected at first sight. You're here, watching the fire, I'll go and come,..."

Ye Xiuwen instructed him and entered the room with Yue'er. Yue'er angrily threw the prescription on Ye Xiuwen's face.

"I said everything, don't let you go, do you have to go?" Ye Xiuwen said speechlessly.

"Then why don't you tell me that this is a poison prescription? The adults know some medical principles and say that after taking this medicine, all ten people will die......"

Yue'er was so angry that she pulled down her veil.

Ye Xiuwen looked at it quietly, but no wonder Yue'er often wears her face, and her feelings are like a beauty.

Such a woman is so beautiful that she is arrogant, so beautiful that she is so beautiful that she is afraid to imagine.

At this time, I had a stern face, and there was a kind of frost beauty, which I felt pity for.

"Haha, don't be angry, I'll show you something magical tomorrow!" Ye Xiuwen shook his head and smiled.

"If you don't look at it, I won't believe you anymore, hum!"

Yue'er snorted coldly, with a little naughty while being cold.

Seeing this, Ye Xiuwen shook his head again and thought to himself: If you want to get along well with this girl, it will probably take some time to spend.

Ye Xiuwen left the house and continued to make soup. After half an hour, there were only three bowls of soup left in the pot. Ye Xiuwen stopped fire.

"Hou San, take all these three bowls of soup and a bowl of medicine tonight. There may be some bone pain at night. If you endure it for one night, you will become a warrior tomorrow..." Ye Xiuwen said to Hou San.

"Really?" Hou San seemed a little unbelievable.

"If you don't believe it, you can stop drinking..."

Ye Xiuwen had a calm face. Hou San dared not disobey Ye Xiuwen's intentions. He hurriedly said, "I drink, I drink,..."

In front of Ye Xiuwen, Hou San drank all four bowls of soup, smacked his lips, and said, "Fifth Master? Why don't I feel anything?"

"Tsk, do you think it's a elixir? Go back to bed. We will set off tomorrow morning and go to the warehouse."

Ye Xiuwen shook his sleeves and left. He just wanted to go back to his room, but found that the door was locked.

"You go and sleep somewhere else!" Yue'er's voice came from the house.

"I can sleep in the living room, right?" Ye Xiuwen said speechlessly, thinking: This is my room, okay?

"Can't,......."

Yue'er said word by word, with a very firm attitude.

Ye Xiuwen was helpless and only raised his feet and went up to the roof.

The roof is made of wooden boards and straw on it. It lies on it, soft.

Ye Xiuwen looked at the stars while recalling the past of the earth.

Unexpectedly, when he came to this world, four days passed in a flash.

Time flies, but Ye Xiuwen is always thinking about his home on earth.

He has not graduated from university for a few years and has not had time to start a family. He has not even bought a house. He is still living in the company's dormitory.

But he still has his parents still alive, and it is not easy for his parents to support him in school. Before he could repay him, he came to this world without expecting to come.

Ye Xiuwen missed the earth's home and wanted to go back. He looked at the stars in the sky and searched for memories.

There is scientific basis for traveling through such things.

The emergence of the theory of relativity tells the story of four-dimensional curved space-time, finite boundless universe, gravitational waves, gravitational lenses, the Big Bang cosmology theory, and the main theme of the 21st century - black holes, etc.

All of this came too suddenly, making people feel that the theory of relativity is mysterious. Therefore, in the first few years of the theory of relativity, some people threatened that "only twelve people in the world understand the theory of relativity."

Some people even say that "only two and a half people in the world understand the theory of relativity."

Some people even compare relativity with "spiritual arts" and "spiritual conjuring".

In fact, relativity is not mysterious. It is the most down-to-earth theory. It is the truth that has been tested thousands of times in practice, and it is not unattainable.

The geometry applied to the theory of relativity is not ordinary Euclidean geometry, but Riemann geometry.

I believe many people know non-European geometry, which is divided into two types: Roche geometry and Li Geometry.

Riemann unified three types of geometry from a higher perspective, called Riemann geometry. In non-European geometry, there are many strange conclusions.

The sum of the inner corners of a triangle is not 180 degrees, and the pi is not 3.14, etc. Therefore, when it was first introduced, it was ridiculed and considered to be the most useless theory. It was not until its application was discovered in spherical geometry.

If space does not have matter and space time is straight, it is enough to use Euclidean geometry. For example, the application in the special theory of relativity is four-dimensional pseudo-Euclidean space. The word "pseudo" is added because there is an imaginary unit i in front of the time coordinates. When matter exists in space, matter interacts with space time, causing space time to bend, so non-Euclidean geometry is needed.

Relativity predicted the existence of gravitational waves, discovered that gravitational field and gravitational waves propagate at the speed of light, and negated the over-distance effect of the law of universal gravitation.

When light is emitted by stars and encountering massive celestial bodies, the light will regain, that is, we can observe stars blocked by celestial bodies. Generally speaking, we see a ring, called the Einstein ring.

When Einstein applied the field equation to the universe, he found that the universe was not stable and it either expanded or contracted.

At that time, cosmology believed that the universe was infinite, static, and stars were infinite. So he did not hesitate to modify the field equation, added a cosmic term, obtained a stable solution, and proposed a finite boundless universe model.

Soon Hubble discovered the famous Hubble's law and proposed the theory of cosmic expansion. Einstein regretted it and gave up the cosmic term, saying that this was his biggest mistake in his life.

In later research, physicists were surprised to find that the universe is not only expanding, but also exploding.

This provides the possibility for humans to travel through time.
Chapter completed!