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"In the past, I was drunk in Chang'an, and the five marquis and seven nobles had the same glass of wine. The shore was far away from the rich men, and the romantic people were willing to fall behind others?"

The drunk scholar was radiating with his head, and his chest was scattered, revealing a large area of ​​lean muscles. He stood on the table with a blurred look, holding a cup and a pot, and his smile fell on his face, reading this poem "Liu Yelang Giving to Judge Xin" by the poet Li Taibai.

The moment the door opened, Chen Kang and Jiang Liuyu saw the situation in the opposite elegant room through the crack of the door.

Diewu smiled and said, "This crazy student is the leader of Fengyang Mansion's college entrance examination. This person is like this by nature. Don't care, two young masters."

Jiang Liuyu laughed and said, "I wonder if I can ask Diewu to recommend me and the two of you?"

Diewu smiled and said, "It turns out that the two young men are not tired of this guy, but they like it a little?"

Chen Kang smiled and said, "This person must be talented, so he has the heroic spirit of chanting the heroic spirit of being far away from the shore and being willing to fall behind others."

Jiang Liuying smiled and said, "He is the leader of Fengyang Prefecture Courtyard, and I both..." He paused, deliberately not wanting to reveal his true feelings in advance, and said, "Can you recommend it?"

Diewu said: "Since Mr. Jiang has spoken, even if it is a big difficult thing, Diewu cannot push it away. Haha, let alone, this is not a difficult thing."

As he said that, Diewu stood up and said, "Please take care of yourself for the time being, Diewu will go back."

Diewu went out and Chen Kang smiled and said, "It turns out that the elegant room on the second floor is so elegant and quiet. No wonder Diewu girl is so confident."

He looked at the tea room with niches and floor stoves. The guests sat on the left side of the owner, and the Ming people called it the mat.

The guest enters the tea room through the small exit unique to the tea room. A tulle screen made of round sandalwood is placed behind it. The word "tea" in regular script is written on the back of the screen.

The word "tea" is surrounded by elegant and handsome calligraphy, which describes Yuan Zhen's tea poems.

Tea.

Bare leaves, tender buds.

I admire the poet and love the monk's family.

Crush white jade and weave red yarn.

Fry the yellow stamens and turn the bowl into the quiver flowers.

After the night, I invite you to accompany the bright moon, and before the morning life, I face the morning glow.

After washing away all the ancient and modern people, how can you be praised after being drunk?

There are two ancient lamps, one side of the simple tea table, and a bunch of pine nuts beside the mud stove.

On the edge of the tea table, there is a spherical hollow sachet made of gold and silver.

The outer wall of the sachet is made of silver, and is hollowed out all over the body. It is divided into two hemispherical shapes with the center horizontal line as the boundary. Between the upper and lower balls, one side is hooked with a hook chain, and the other side is connected with a live shaft. There are two layers of silver concentric rings in the lower ball, which are connected with the outer wall and the Little Golden Scented Scented Sphere respectively.

The outer wall of the sachet is wrapped around grapes and flowers and birds rely on each other. What’s even more amazing is that no matter how shaking the sachet, the spice will never sprinkle.

Such a delicate structure is really amazing.

Chen Kangfu played with the sachet and opened it lightly. He wanted to know why no matter how it shakes, the spice will not spill out?

Suddenly, Chen Kang's eyes lit up and he shouted, "Jiang, Brother Jiang! Look at this sachet!"

Jiang Liuyu said disapprovingly: "Such sachets like this were popular in the Tang Dynasty. Look at this style, it should be a few years. Grapes were introduced to the Middle Earth by foreign vassals. This sachet should come from the Western Regions."

Chen Kang could imagine how graceful the young girl would hang the sachet around her waist and sway back and forth while walking, and the steps were so beautiful.

Chen Kangmeng shook his head: "No!"

"No?" Jiang Liuyu tilted his head and said suspiciously: "What are you nervous about? It's just a sachet. If you like it, I will give you a box."

Chen Kang was dumbfounded for a while before shouting out: "Gyroscope!"

A gyroscope is an angular motion detection device that uses the momentum momentum sensitive housing of a high-speed rotary body to revolve around one or two axes orthogonal to the rotation axis with respect to the inertia space. The main part is a rotor that rotates at an extremely high angular velocity on the rotation axis, and the rotor is installed in a bracket. An angular motion detection device made using other principles also known as a gyroscope.

The reason why this spherical sachet never lets sprinkle sprinkle out is the gyroscope inside.

Such black technology can be widely used in navigation technology in the future, and even in aerospace and aviation technology. Now, Chen Kang has discovered it in this small sachet.

Europe used it for navigation, which opened the age of navigation, and at this time the Ming Dynasty still used it for fun and on women's belts!

The sachet is only five centimeters in diameter, less than two millimeters in thickness, and the finest pattern is only one millimeter. Such exquisite plaything contains such amazing technology. It can be seen from this that Chinese people can play.

What's more, according to Jiang Liuji's words, this technology already existed in the Tang Dynasty.

Jiang Liuqi looked at Chen Kang excited and said suspiciously: "What's wrong with you? What's the secret of this sachet?"

Chen Kangdao: "A rigid body that rotates at a high speed around a fulcrum is called a gyroscope. The commonly referred to as a symmetrical gyroscope specifically refers to a symmetrical gyroscope. It is a rigid body with uniform mass distribution and an axisymmetric shape. Its geometric symmetry axis is its rotation axis. Under certain initial conditions and a certain external torque, the gyroscope will rotate continuously around another fixed axis while rotating continuously. This is the rotation of the gyroscope, also known as the rotation effect."

Jiang Liuyu listened to this explanation and looked confused. He really couldn't understand a single sentence.

He said angrily: "You are so sensible!"

Chen Kang smiled innocently and said, "In short, the internal structure of this sachet can be made into a rotating compass, directional indicators, the flip of the shell, the movement of the gyro, the rotation of the earth under the action of the gravitational moment of the sun and the moon, etc."

He swallowed excitedly and then said, "Give me time, I can break it down and make it into a gyro directional instrument that is truly applied to navigation. From then on, the Ming Navy will never lose its direction again."

Jiang Liuqi was slightly stunned, then widened his eyes and asked, "Are you drunk?"

Chen Kang said: "Of course not!"

Jiang Liuqing was excited. He had played with such a small sachet all day long, but why didn't he think of opening it and studying what other uses it?

Chen Kang continued: "It's crazy talk! It's crazy talk!" He said excitedly: "Brother Jiang! Do you know that the first gyroscope was the first to discover the rotor at high speed in order to study the rotation of the earth in 1850. In order to study the rotation of the earth, French physicist Leon Foucault first discovered the rotor at high speed. Today, we are going to change this history!"

Crazy talk, crazy talk!

Jiang Liuqi looked at the crazy Chen Kang, and was full of these two words.
Chapter completed!