Future Library, Chapter 86, Geometric Optics

They often like to use the Big Bang to describe certain scientific exhibitions. The Big Bang of Credit Finance. The Big Bang ....... Later, the Big Bang and the Big Bang were also made......

Actually from the 18th century. People are already starting to be amazed by the technology that continues to develop.

Even the scientists themselves.

thousands of years before that. Their lives are very leisurely. The exhibition of science can also match the leisurely pace of life. For example, it is not uncommon for the Italian ancestors to treasure the formula as a martial arts secret. Gauss after solving the problem of the heptanacean. I like to mail my research results to my friends in letters. And not the table out. Many of his achievements were turned over after his death, and Fermat was just as good. Fermat's theorem is derived from two sentences in the margins of a book. He himself declared: "I have found a wonderful proof. It's a pity that the empty space here is too small. I can't write it -- it took three or four hundred years of hard work for the poor posterity. to solve this problem. If he can really use some kind of wonderful proof. Instead of hundreds of complicated formulas. Eulagos, Abel Cocy and others may beat him violently in another world for a day, two days, and three years......

And in the 19th century. If any scientist dares to treasure the content of his research. His epitaph will be blank – what kind of technology is there. Which theory. Which present. Will wait for him for 1o years. If you're unlucky. A single postal delay can bog him into endless arguments.

The reason for this. Or a matter of accumulation. When a type of knowledge has accumulated enough. All sorts of branches will grow naturally. The degree will also get faster and faster. The same is true of the situation that Cheng Jinzhou is encountering now.

The knowledge stored in his memory has been tempered by the masters. At least it's the backbone of a certain system. Those will soon be phased out. or non-mainline branching transitional studies. None of them will be stored in the textbooks that Cheng Jinzhou studied. It is also very difficult to get him to fully elaborate on it, besides. The more he leaks out of a certain section. Astral sorcerers are more likely to study more advanced content. This is for Xiao Cheng. But it's not a good thing.

Not the most valuable papers in the world have the most citations -- and not the most valuable papers that will be discovered by all scholars in an instant. Einstein's theory of relativity is a standard counterexample. Mr. Edison, another Mr. Edison who loves the family, is the other extreme.

In many ways, Eddie does the work of a technician. For many years. He is known as the Ming family. But at that time 1 he arrived to praise. In many cases, more than Einstein.

In terms of reward and durability. Cheng Jinzhou wanted to be Edison rather than Einstein. The latter's theory of relativity was not cited much until the 21st century. And the former incandescent lamp with gramophone. Since the beginning of the Ming Dynasty, it has received a lot of praise.

In terms of the identity of a child. Cheng Jinzhou is definitely a representative of the "heart rush".

Sit in a chair in the study. Cheng Jinzhou put the ring face of the ring as big as a wall, and carefully read the books in his hand. I want to find some trivial things that are of little value but can be exchanged for contribution points.

Euclidean geometry and mechanical metrology. The simple ministry had already let him bring it. If you want to expand and go to Cheng Jinzhou, you can do it. But it requires him to actively mobilize his memory and re-calculate and deduce. Not only is the process laborious, but it may not always be recognized by the stars - like all research in the world. Most of the studies of world significance. It is often not possible to receive world-class praise at the beginning. For these will inevitably change history. Or change the question of science. Any scholar will be cautious in the early days.

Library's Paper: "The Formation of Complexes and Their Catalysis". This standard of later branch studies. I can't do it now. But the legendary periodic table. It's a stuff that middle school students can memorize. Verification is also commonly used.

Most importantly. Chemistry is the easiest subject to verify and prove. It's easy to come up with proof.

Think so. Cheng Jinzhou wrote several paragraphs on paper about the properties of aluminum. It was then smeared with ink. He muttered to himself, "This is the present that is bound to change the world." Can't take it out now. ”

All night. Dr. Cheng is immersed in the question of "what to plagiarize". This is perhaps the simplest in the history of human scientific research.

There are very few people serving in the house in the capital. When I fell asleep at night, no one came to see me. Cheng Jinzhou woke up in the middle of the night and had to cover himself with the quilt. Blowing out the oil lamp - the descendants in the family's house are the most powerful. Which family is powerful. Just look at their attitude.

……

The early morning sun shines through the window screen on the quilt. It makes people feel warm. After the exam, classes will be suspended for two days. Nor will the servants come and call for help. Let Cheng Jinzhou sleep until noon.

If it's in an old house. At this time, there were already people shouting outside the door: Good morning third brother.

He must have shouted that he could answer "good morning" before stopping.

But in the capital. Cheng Jin

He opened his eyes from the haze and was stunned as he looked at the beams of light passing through the gaps.

Bright beams of light form strips of light. And countless dust floats in it. Revolve. Swimming. Irregular...... When at home. This is not uncommon to see such a scene. But at this moment, in the eyes of Cheng Jinzhou, who is full of science. Such a beam. But it represents two important theories.

Tyndall phenomenon and Brownian motion. can be expressed by it.

Cheng Jinzhou spat out a mouthful of turbidity. Shake your head and laugh. Dahl phenomenon is often used for colloids. Although Brownian sports appeared in the 19th century, they were only curious in the early stage. The impact they can make. There are certainly not as many equations as one or three times. Not at all now. Yes, too.

"The incident light is greater than the wavelength of the particle. scattering will occur. Cheng Jinzhou silently memorized the power behind his back. He soon laughed to himself: "It's good that great astromagicians can understand what incident light is. Also scatter ......"

He was stunned as he spoke.

Geometric optics. It seems to be a very bad branch - the content is simple and straightforward. Easy to understand and easy to use. It's something I'm quite familiar with. When Cheng Jinzhou substituted for the freshmen. Geometric optics has been talked about no less than three or four times.

This is definitely a compulsory course in all theoretical physics courses. It's a simple one. All you need is elementary and intermediate math to solve the problem. It's easy to stretch it out. It's also convenient to want to converge......

Cheng Jinzhou got up with a bone. While getting dressed, he yelled, "Outside." Two people came in. ”

Naturally, people get up early. Hearing his shout, a kid walked in and said, "Third master." The meal was already prepared. ”

"Come in and sharpen my ink." Cheng Jin glared at this guy. Not enough to say it.

Then the next person didn't care. I rolled up my sleeves. They are from the capital annex. Except for a few two or three surnamed Cheng. They were all slaves bought locally. The steward above is the son of the other branches. Treat this third brother of the Qingzi branch. It's the same as treating other concubines who come to Beijing to take the exam. Let's talk about it. For so many years; After everything was done, I didn't feel that there was anything special about Cheng Jinzhou. Anyway, there is no requirement above. Naturally, we can save our worries.

"One more in." Cheng Jinzhou was in the middle of the boom and didn't want to waste his energy on a subordinate. These people are all skinned in Beijing. No need to knock, as long as he can stand his ground. Naturally, a qiē smooth.

Another boy of twenty-five or sixteen walked in. After a non-standard salute, he said, "Third Master." ”

"Call the third brother." Cheng Jinzhou still couldn't help but say: Go get some quill pens and hard paper. ”

Since geometric optics talks about geometry, it is to draw.

In fact, the so-called geometric optics. Most people have already learned physics in middle school, and the content is surprisingly simple. Most of the work can be done by knowing three laws: light travels in a straight line and is reflected. Light is refracted ......

And study the relationship between them. When was born. The result after birth. That's basically what geometric optics is all about. As for why this is the case. It can usually be left to physical optics to deal with.

Cheng Jinzhou wrote down the main content. While biting the barrel of the pen. Think about what exactly you want to derive.

Although the theory is the main thing. But only the content of the Lord. Wait for someone else to add a leaf to you. Who knows if it will wait until the sky is old. Furthermore. Also pay attention to whether anyone has already studied something similar - Cheng Jinzhou believes. The astrosorcers of this era certainly don't deal with optical problems so systematically. But in some ways. They definitely understand something. At least in order to complete the measurement of astronomy. They have been able to make decent telescopes out of crystal.

"What's your name?" Cheng Zhou wrote down the three laws on paper in simplified characters. Then ask the person next to him who was grinding ink.

"Big 6"

"The Xue family is the biggest?" 6. The master of great courage and joy found someone else to deliver the letter. Save yourself from trouble. "You go to the Xue family now to come to me to get the letter. The fastest and safest kind. "In the cities of ancient China. There has long been a simple postal system. The Great Xia Dynasty did a better job in this regard. Maybe it's because the central power isn't strong enough. Many of the more complicated ways of delivering official documents are also carried out by private individuals with government connections. However, the convenience of the process has also been improved. At least in a city of Xiajing's size. The letter wanted to arrive within two or three hours. Mostly rely on professionals.

Cheng Jinzhou drove both of them out. I pulled a piece of paper myself. Began to write letters to Xiang Xin. Some results of geometrical optics are also attached. Ask her how much she knows, and the dynasty does not strictly distinguish between geometry, physics and other disciplines. And since Xiang Xin wants to study geometry. I must know how deep the astromancers are studying in this area. Asking her is naturally the safest.

That's all it takes. Cheng Jinzhou began to recall the lecture of that year. Then record them one by one. Just wait for Xiang Xin's reply before making a reduction.

……

Tips: The new domain name "biquge.info" has been launched by Biquge, and the original domain name is about to be discontinued. Please tell each other, thank you!