future library.
Chapter 78 Geometric Optics (2)
Chapter 78 Geometric Optics (2)
Just like the three laws of physics, geometric optics also makes assumptions first and then verifies them - to put it more bluntly, you guess the answer first and then try your best to find the proof, or just make it up like this. OK.
For example, when faced with the problem of two small balls falling to the ground, Aristotle guessed: the heavier one hits the ground first.The evidence he put forward is: the feather falls slowly, and the iron ball falls fast.After fooling the world for 2000 years—Aristotle is the most foolish scientist in history—Galileo guessed again: two small balls fell to the ground at the same time, and then dropped objects from the Leaning Tower of Pisa to prove it, but he actually I don't know why.In the end, Newton drew a conclusion about universal gravitation with his head smashed by an apple, explaining that the acceleration of gravity is the same, and the big and small balls should fall to the ground at the same time.
In fact, from a statistical point of view, scientists have enough time to guess all the possibilities. It doesn’t matter if they lose the guess. The point is to guess boldly. This is like buying a lottery ticket. And energy, writing two more articles is like making a big bet, once you succeed-you will post it.It doesn't matter if you fail, there are too many scientists who guess and lose.
Before all the elements were discovered, Mendeleev dared to make a table of elements. When he didn’t know what DNA was, Mendel dared to say the law of inheritance—science is a group of fierce people playing roulette, and the timid Guess red and black, guess numbers for those who are bold, and finally see where the ball lands. Those who win the bet will receive cheers from the crowd, and those who lose the bet will actively participate in the next opening.
Cheng Jinzhou's luck lies in the fact that he knows where the ball will land and only needs to wait for it to turn to its position, just like a cheating croupier.
This time, he intentionally did not describe geometric optics clearly.
What's the use of describing it so clearly? Flaws can attract the attention of other astro-warlocks. Those perfect content may be useful, but Cheng Jinzhou doesn't care whether astro-warlocks really apply geometric optics. It is the fact that some discussions lead to contribution points.
It should be said that Dr. Cheng Da's life in the ivory tower for nearly 20 years did not make him a perfect scholar, but it definitely trained his perfect ability to fabricate papers.After completing the normal outline, Cheng Jinzhou began to cut and revise. He only wrote down the most basic laws of straight line propagation and reflection, and he did not write clearly the principle of reflection. As for refraction, it was Not at all involved.
Geometric optics without refraction, of course, is not convincing, first of all, it is different from people's intuitive feeling.But classmate Xiao Cheng has a way. He uses the correct reflection law to accommodate his incomplete reflection law. The example he gave gives the correct answer...
This is actually a research method commonly used by scientists. The so-called phased research is also-human understanding of atoms is just such a process, from Dalton's atomic model, to the wrong raisin model and planetary model, and then to Bohr. As a gradual research, it is necessary to do so.Of course, it is also very happy for the scientists. The small atoms almost gave birth to double-digit Nobel Prize winners.
He was writing cheerfully in the study, while the servants outside were talking about it. Lu Dayong, who went to the Xuejia carriage dealer, quickly turned around and did not report to Cheng Jinzhou. He stood near the kitchen and said: "All will be distributed to The capital is here, and the horse-drawn carriage company must deliver a letter to him, saying that it is the fastest and safest, so isn't it clear that he will be slaughtered?"
"For the gentlemen, there is not much money." Someone immediately cooperated sourly, which was naturally their repertoire.
"400 coins is a lot." Lu Dayong slammed his mouth and said, "It's the price to find a girl who is slick in Xiaoqi alley."
"Fuck you, which girl can make you sleep with 400 coins..."
"Up to 500 coins."
"600 is about the same. The last time Lao Chen went there, he asked for the usual money all night."
The laughter outside was getting louder, and Cheng Jinzhou could hear it, but he just wrote and drew in the study, and didn't go out to scold.If it was in Cheng's old house, it wouldn't matter if he picked up a whip and whipped a group of people, but now it's different.
After all, the master's power at home is inseparable from his status outside. The third room of the Cheng family was in chaos, and his second uncle was in the capital, but he didn't send a word. It was normal for the servants to have any thoughts.
Thinking of his second uncle, Cheng Jinzhou sighed again.The second eldest, Cheng Yunxiang and Cheng Yun'an are direct brothers, and even have the title of head of the official department. It can be said that he is the most beautiful second-generation son of the Cheng family. The next time Jinzhou came to the capital, he acted as if he didn't know anything about it.
In fact, a 10th-level head of the official department can't help much, but Cheng Jinzhou always feels uncomfortable when he thinks about it.
The people from Huo's car and horse dealership arrived soon, Lu Dayong went out to greet him twice, and then came in without any rules and reported: "Third brother, people have arrived."
"The Huo family?"
"Yes."
Cheng Jinzhou sealed the letter he had written a long time ago, walked out and handed it to the clerk from Huo's Car and Horse Racing Department who was wearing a white turban. After giving the address, he went back to the room.It is possible to directly ask a few star warlocks, but it is too time-consuming after all. If the other party keeps asking questions, a lot of things may be leaked. Letters are different. There is enough time to organize the language, and the other party's questions will naturally be limited. within the scope.
Locked in the house by himself, Cheng Jinzhou continued to revise and complete his thesis.Deliberately controlling the content gave him a happy sense of control, as if he could manipulate a certain field.
The results report of the Star Warlock Association is somewhat similar to the paper format that Cheng Jinzhou is familiar with, but there is no complicated content such as an introduction. Under normal circumstances, there is only the first author, and there is no such thing as the second or third author. The main text is As long as you write clearly, there are no special requirements.
Cheng Jinzhou has not completed many papers himself, but he has copied and read quite a few. He easily completed more than a dozen pages of content in an hour, and even made up an experiment by himself - in physics, experiments are always indispensable. Yes, Cheng Jinzhou is indeed familiar with geometric optics, and generating a few data is a matter of minutes. When he was doing experiments, how could he draw correct conclusions without generating data...
The writing is smooth, and the time flies by very quickly.When the sky was getting dark, a maid came in and said, "Third brother, the meal is ready."
After being here for only half a year, Cheng Jinzhou was somewhat accustomed to his aristocratic status. He frowned and said, "You don't know the rules. Who let you in?"
As he said that, he erased the wrong words and re-wrote them on the side - under normal circumstances, the whole page should be rewritten, but he made a lot of mistakes, and he liked to be lazy, so he ended up writing the wrong words one by one. It was written on the paper as if it had been pasted with a plaster.
The servant girl felt aggrieved, so she had to retreat to the door and knock on the door: "Third Brother, it's time to eat."
"Bring it to my house, have you received the reply?" Cheng Jinzhou said without looking back.
"Just received it." The maid said in a low voice.
When Cheng Jinzhou heard this, he said angrily: "Why don't you come and report it?"
The servant girl looked less than 20 years old, and said with tears in her eyes, "You said that you are not allowed to disturb you before dinner."
"When will I..." Cheng Jinzhou thought back, he really said it himself, but he still felt extremely uncomfortable.This era is different from later generations. In the 21st century, it is not a big deal for multi-millionaires and billionaires to do things in person. The purpose of having a secretary butler to help them is to save energy and put on ostentation.But in the environment of the Great Xia Dynasty, capable servants are indispensable. The dignified nobles can't drive the carriages themselves, or bargain with the traffickers and pawns. Leaving aside the awkwardness, the efficiency will be even lower.When he came to the capital, Cheng's mother, Cheng's mother, originally wanted to use the help of the Liu family to spend a period of time first, but she didn't realize that the old man of the Liu family didn't want to admit to this marriage at all.
There are priorities, Cheng Jinzhou waved his hand angrily and said: "Go down, and bring me the letter."
The dinner is just a simple three dishes and one soup. In the whole other courtyard, there is only Cheng Jinzhou, a 13-year-old child, in the family.
Fortunately, the level of the master chef is still good, Cheng Jinzhou read the letter from Xiang Xin while eating the dishes.There are three important laws, Xiang Xin knows one and a half, light travels in a straight line, this point has long been judged by astrologists, of course, it is also an axiom and cannot be proved-in fact, the proof is meaningless, but it proves that the gravitational field can make light Bending, indirectly proved the correctness of the theory of relativity in the 20th century.
Astromancers also understand a lot about the reflection of light, but they do not yet know the normal line (a virtual line perpendicular to the incident surface to solve the problem of reflection).In fact, there is no normal line. To put it bluntly, we started to observe light, but did not use mathematics to deal with it systematically, which is in line with the development process in the 17th century.It also shows that their geometric optics is still in its infancy.
After dinner, Cheng Jinzhou sorted out the manuscript again, simply deleted the content of the first few pages, thought about it, and simply listed the content of the normal line as a separate article.Then continue to write to Xiang Xin, asking her about refraction.
After tossing like this until midnight, Cheng Jinzhou sealed the paper he had written and put it in a handmade envelope. The two papers were actually not bothersome. What was really troublesome was the transformation of weights and measures and algebraic symbols. It's a pity that the status is not enough, and it is always a bit weird to use mathematical symbols that I am not used to.
"Lu Dayong." Whether it was dark or not, Cheng Jinzhou still called out.
"Third Brother." Although he didn't follow the rules very much, the people who should be kept at the door were still kept.
"Go and call someone from the Xue family to get the letter."
Lu Dayong looked at the dark sky, and said reluctantly: "If you call now, the toll will be doubled."
"Then let them double." Cheng Jinzhou said, pointing to the location of the envelope.
Lu Dayong agreed without hesitation, cleaned up the table roughly, and then walked out with the envelope.
……
(End of this chapter)
Just like the three laws of physics, geometric optics also makes assumptions first and then verifies them - to put it more bluntly, you guess the answer first and then try your best to find the proof, or just make it up like this. OK.
For example, when faced with the problem of two small balls falling to the ground, Aristotle guessed: the heavier one hits the ground first.The evidence he put forward is: the feather falls slowly, and the iron ball falls fast.After fooling the world for 2000 years—Aristotle is the most foolish scientist in history—Galileo guessed again: two small balls fell to the ground at the same time, and then dropped objects from the Leaning Tower of Pisa to prove it, but he actually I don't know why.In the end, Newton drew a conclusion about universal gravitation with his head smashed by an apple, explaining that the acceleration of gravity is the same, and the big and small balls should fall to the ground at the same time.
In fact, from a statistical point of view, scientists have enough time to guess all the possibilities. It doesn’t matter if they lose the guess. The point is to guess boldly. This is like buying a lottery ticket. And energy, writing two more articles is like making a big bet, once you succeed-you will post it.It doesn't matter if you fail, there are too many scientists who guess and lose.
Before all the elements were discovered, Mendeleev dared to make a table of elements. When he didn’t know what DNA was, Mendel dared to say the law of inheritance—science is a group of fierce people playing roulette, and the timid Guess red and black, guess numbers for those who are bold, and finally see where the ball lands. Those who win the bet will receive cheers from the crowd, and those who lose the bet will actively participate in the next opening.
Cheng Jinzhou's luck lies in the fact that he knows where the ball will land and only needs to wait for it to turn to its position, just like a cheating croupier.
This time, he intentionally did not describe geometric optics clearly.
What's the use of describing it so clearly? Flaws can attract the attention of other astro-warlocks. Those perfect content may be useful, but Cheng Jinzhou doesn't care whether astro-warlocks really apply geometric optics. It is the fact that some discussions lead to contribution points.
It should be said that Dr. Cheng Da's life in the ivory tower for nearly 20 years did not make him a perfect scholar, but it definitely trained his perfect ability to fabricate papers.After completing the normal outline, Cheng Jinzhou began to cut and revise. He only wrote down the most basic laws of straight line propagation and reflection, and he did not write clearly the principle of reflection. As for refraction, it was Not at all involved.
Geometric optics without refraction, of course, is not convincing, first of all, it is different from people's intuitive feeling.But classmate Xiao Cheng has a way. He uses the correct reflection law to accommodate his incomplete reflection law. The example he gave gives the correct answer...
This is actually a research method commonly used by scientists. The so-called phased research is also-human understanding of atoms is just such a process, from Dalton's atomic model, to the wrong raisin model and planetary model, and then to Bohr. As a gradual research, it is necessary to do so.Of course, it is also very happy for the scientists. The small atoms almost gave birth to double-digit Nobel Prize winners.
He was writing cheerfully in the study, while the servants outside were talking about it. Lu Dayong, who went to the Xuejia carriage dealer, quickly turned around and did not report to Cheng Jinzhou. He stood near the kitchen and said: "All will be distributed to The capital is here, and the horse-drawn carriage company must deliver a letter to him, saying that it is the fastest and safest, so isn't it clear that he will be slaughtered?"
"For the gentlemen, there is not much money." Someone immediately cooperated sourly, which was naturally their repertoire.
"400 coins is a lot." Lu Dayong slammed his mouth and said, "It's the price to find a girl who is slick in Xiaoqi alley."
"Fuck you, which girl can make you sleep with 400 coins..."
"Up to 500 coins."
"600 is about the same. The last time Lao Chen went there, he asked for the usual money all night."
The laughter outside was getting louder, and Cheng Jinzhou could hear it, but he just wrote and drew in the study, and didn't go out to scold.If it was in Cheng's old house, it wouldn't matter if he picked up a whip and whipped a group of people, but now it's different.
After all, the master's power at home is inseparable from his status outside. The third room of the Cheng family was in chaos, and his second uncle was in the capital, but he didn't send a word. It was normal for the servants to have any thoughts.
Thinking of his second uncle, Cheng Jinzhou sighed again.The second eldest, Cheng Yunxiang and Cheng Yun'an are direct brothers, and even have the title of head of the official department. It can be said that he is the most beautiful second-generation son of the Cheng family. The next time Jinzhou came to the capital, he acted as if he didn't know anything about it.
In fact, a 10th-level head of the official department can't help much, but Cheng Jinzhou always feels uncomfortable when he thinks about it.
The people from Huo's car and horse dealership arrived soon, Lu Dayong went out to greet him twice, and then came in without any rules and reported: "Third brother, people have arrived."
"The Huo family?"
"Yes."
Cheng Jinzhou sealed the letter he had written a long time ago, walked out and handed it to the clerk from Huo's Car and Horse Racing Department who was wearing a white turban. After giving the address, he went back to the room.It is possible to directly ask a few star warlocks, but it is too time-consuming after all. If the other party keeps asking questions, a lot of things may be leaked. Letters are different. There is enough time to organize the language, and the other party's questions will naturally be limited. within the scope.
Locked in the house by himself, Cheng Jinzhou continued to revise and complete his thesis.Deliberately controlling the content gave him a happy sense of control, as if he could manipulate a certain field.
The results report of the Star Warlock Association is somewhat similar to the paper format that Cheng Jinzhou is familiar with, but there is no complicated content such as an introduction. Under normal circumstances, there is only the first author, and there is no such thing as the second or third author. The main text is As long as you write clearly, there are no special requirements.
Cheng Jinzhou has not completed many papers himself, but he has copied and read quite a few. He easily completed more than a dozen pages of content in an hour, and even made up an experiment by himself - in physics, experiments are always indispensable. Yes, Cheng Jinzhou is indeed familiar with geometric optics, and generating a few data is a matter of minutes. When he was doing experiments, how could he draw correct conclusions without generating data...
The writing is smooth, and the time flies by very quickly.When the sky was getting dark, a maid came in and said, "Third brother, the meal is ready."
After being here for only half a year, Cheng Jinzhou was somewhat accustomed to his aristocratic status. He frowned and said, "You don't know the rules. Who let you in?"
As he said that, he erased the wrong words and re-wrote them on the side - under normal circumstances, the whole page should be rewritten, but he made a lot of mistakes, and he liked to be lazy, so he ended up writing the wrong words one by one. It was written on the paper as if it had been pasted with a plaster.
The servant girl felt aggrieved, so she had to retreat to the door and knock on the door: "Third Brother, it's time to eat."
"Bring it to my house, have you received the reply?" Cheng Jinzhou said without looking back.
"Just received it." The maid said in a low voice.
When Cheng Jinzhou heard this, he said angrily: "Why don't you come and report it?"
The servant girl looked less than 20 years old, and said with tears in her eyes, "You said that you are not allowed to disturb you before dinner."
"When will I..." Cheng Jinzhou thought back, he really said it himself, but he still felt extremely uncomfortable.This era is different from later generations. In the 21st century, it is not a big deal for multi-millionaires and billionaires to do things in person. The purpose of having a secretary butler to help them is to save energy and put on ostentation.But in the environment of the Great Xia Dynasty, capable servants are indispensable. The dignified nobles can't drive the carriages themselves, or bargain with the traffickers and pawns. Leaving aside the awkwardness, the efficiency will be even lower.When he came to the capital, Cheng's mother, Cheng's mother, originally wanted to use the help of the Liu family to spend a period of time first, but she didn't realize that the old man of the Liu family didn't want to admit to this marriage at all.
There are priorities, Cheng Jinzhou waved his hand angrily and said: "Go down, and bring me the letter."
The dinner is just a simple three dishes and one soup. In the whole other courtyard, there is only Cheng Jinzhou, a 13-year-old child, in the family.
Fortunately, the level of the master chef is still good, Cheng Jinzhou read the letter from Xiang Xin while eating the dishes.There are three important laws, Xiang Xin knows one and a half, light travels in a straight line, this point has long been judged by astrologists, of course, it is also an axiom and cannot be proved-in fact, the proof is meaningless, but it proves that the gravitational field can make light Bending, indirectly proved the correctness of the theory of relativity in the 20th century.
Astromancers also understand a lot about the reflection of light, but they do not yet know the normal line (a virtual line perpendicular to the incident surface to solve the problem of reflection).In fact, there is no normal line. To put it bluntly, we started to observe light, but did not use mathematics to deal with it systematically, which is in line with the development process in the 17th century.It also shows that their geometric optics is still in its infancy.
After dinner, Cheng Jinzhou sorted out the manuscript again, simply deleted the content of the first few pages, thought about it, and simply listed the content of the normal line as a separate article.Then continue to write to Xiang Xin, asking her about refraction.
After tossing like this until midnight, Cheng Jinzhou sealed the paper he had written and put it in a handmade envelope. The two papers were actually not bothersome. What was really troublesome was the transformation of weights and measures and algebraic symbols. It's a pity that the status is not enough, and it is always a bit weird to use mathematical symbols that I am not used to.
"Lu Dayong." Whether it was dark or not, Cheng Jinzhou still called out.
"Third Brother." Although he didn't follow the rules very much, the people who should be kept at the door were still kept.
"Go and call someone from the Xue family to get the letter."
Lu Dayong looked at the dark sky, and said reluctantly: "If you call now, the toll will be doubled."
"Then let them double." Cheng Jinzhou said, pointing to the location of the envelope.
Lu Dayong agreed without hesitation, cleaned up the table roughly, and then walked out with the envelope.
……
(End of this chapter)
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