Chapter 95: The Battle of Words (2)

The warlocks were not only the people present who had piled up countless articles, but also the powerful figures, so although Cheng Jinzhou was full of confidence, someone still asked: "Then please explain, what is refraction." ”

"That's another article I'm going to write, if I sue you......" Cheng Jinzhou deliberately flipped his hands.

The obvious distrust made Tang Wen very angry, if it weren't for the sake of others, maybe it would have exploded long ago, he pressed and said: "As a formal meeting, your words and results will be recorded, and counted as the results report of the Star Warlock......"

Cheng Jinzhou put his hands behind his back and smiled proudly at the whiteboard.

Since ancient times, those who can write papers can be teaching assistants; Those who can make one paper two are called lecturers; Those who can turn one paper into three can be described as associate professors; Only those who hold a paper in hand, which are ever-changing and infinitely derived, can become a professor.

Now, transforming simple and clear geometric optics into incomprehensible jerky academic reports, Cheng Jinzhou feels that he can be regarded as an associate professor. It's a pity that the thrill of success can't be shared with everyone, just like the feeling of something indecent leaking in your pants - it's all cold in private.

"Cheng Jinzhou Star Warlock?" The host interrupted Xiao Cheng's reverie and said, "Do you need real equipment?" ”

The astrosorcerers are the most realistic in their use, and the reality is naturally an essential part of their research. And the host's words were even more obviously interrogating, and it was obvious that he was also inclined towards the Anfeng Star Warlocks - in fact, although the Imperial Star Warlock faction had always been dominant within the scope of the Association with the Outer Periphery as the radiating area, his opponents were even more.

Cheng Jinzhou glanced at it contemptuously, if at the beginning of his arrival in this world, someone suddenly asked him "how to prove the real yàn of refraction and storage", he might be difficult to repeat the standard real yàn steps for a while, but after full preparation, he would not be comfortable finding fault with this kind of middle school-level problem.

"I have a glass brick, white paper, a positioning needle gauge and a wooden board." Xiao Cheng reported it as if he had memorized it.

So practiced and accurately illustrated. Suddenly made Tang Wen feel that something big was bad. He wanted to find help from the Ann Feng Star Warlock. But only its back could be seen.

Xu Guxing Warlock hurriedly ordered to go down to the ground. I saw three astral warlock apprentices carrying three boxes and walking up to take a look. It was all glass bricks of different sizes.

"It's really glass." Cheng Jinzhou muttered to himself. In the city of Shaonan. He didn't get a chance to see anything like this.

"I bought land from out of town." Xu Gu briefly introduced. The Xia Jingdi branch was the largest of the many branches of the Great Xia Dynasty. Needless to say, all kinds of materials are available. It is one of the transit centers of other cities and even countries, and it is not uncommon to have some glass bricks ordered.

Cheng Jinzhou raised his eyebrows. He knew that there was glass in Europe in the 13th century, but he didn't expect that although the astral warlocks could not make the times faster. But it has made it easier to communicate between the East and the West.

I chose a brick-sized piece of glass at will, and Jinju posed on the table at the same time. He thought to himself: If this brick accidentally falls on the ground and breaks, I know if a few astral warlocks will be in pain.

While doing the standard refraction, he introduced: "When we see the position of the fish in the water, if we stretch it down with a harpoon or something, it tends to deviate, and the reason is refraction. ”

Although the principle of the eye had been discussed by early humans, it had not had much effect, and the astrosorcerers present did not want to divert the topic, but just listened quietly and did not say anything.

Cheng Jinzhou was inexplicably nervous for a moment, and then became serious again, using a positioning needle to first determine the position of the light beam that does not pass through the glass, and then adding glass bricks, and then determining the position again, it is obvious to see the angle between the two.

Tang Wen breathed a sigh of relief, in his opinion, if it was just these, he would not be completely embarrassed today, the reality in front of him was too simple, if what he wanted to explain was only the existence of refraction, in essence, there was nothing rare, although everyone did not want to study the meaning of optics, the basic content was understood.

Although some people on Jiang Huang's side didn't trust his so-called geometric optics, it was not easy to refute it, so the star warlocks on Anfeng Star Warlock's side looked at each other.

Finally, when Cheng Jinzhou was about to finish, one of them stood up and said: "By doing this, you can prove that you call the existence of refraction, but this is what we all know, and it has nothing to do with geometry." ”

"So what do you need?"

"Quantitative Relations." The astral warlock had a clear mind. The quantity relationship is the most used thing, but it is also the hardest part, and it is easier to be singled out.

The completion of a formula often takes several generations of tempering, and those who are impatient often fail. Cheng Jinzhou didn't have a similar problem, but he didn't say it smoothly, and only smiled twice and said:

This Tang Wenxing Warlock, may I ask you to attack the enemy in the water in the past. ”

He almost used the six-vein divine sword to explain the opponent's star array.

Tang Wen unexpectedly was arrested again, and said with a musty face: "There is usually a deflection angle, and what you say is what we know." ”

Empirically speaking, he can understand the existence of the deflection angle, but the positioning is far from enough.

Cheng Jinzhou smiled mysteriously, wrote down two simple trigonometric functions on the blackboard, private n and cos, and then replaced them with symbols familiar to the star warlocks. That's it, he said lightly: "The sine value of the incident angle is greater than the sine value of the refraction angle on the upper angle, which is equal to the refractive index of medium two than the refractive index of medium one, a very clear formula, Mr. Tang, please use this formula to actually refraction of water." ”

Tang Wen frowned and said, "I know what the refractive index you are talking about?" ”

"The refractive index of water is 1, which is a free message for you."

Of course, Tang Wen didn't give in, he simply urged the star array, made an ice pool the size of a bathtub on the ground, filled it with water, and threw the jade pendant he was carrying in the water and said: "If you can accurately calculate where the eyes on my jade pendant are, even if I recognize your formula, if not, please compensate me with a piece of jade pendant." ”

You don't need to look at it to know that the price of the jade pendant that Tang Wen carries with him will definitely not be cheap, but Cheng Jinzhou agreed without hesitation, and recruited the astrowarcer apprentice who was waiting on the side: "Go find two astrowarcers who can measure the angle." ”

"Zhang is fine."

The apprentice who was called was 2o years old, and he had to hold a junior salute in the face of Cheng Jinzhou.

"Be precise." Cheng Jinzhou instructed and explained the algorithm of the refraction theorem on the whiteboard, and his voice was just right for all the star warlocks in the audience to understand the content, and at this time, everyone had an expectation of Tang Wen's fate.

Mathematics is a very practical subject, and it can be done if it can be done, and it is the most unwise thing to make up a number.

In addition to using a little knowledge of trigonometric functions, the refraction theorem itself only needs to be calculated by elementary school dù, and the apprentice listened to the certification, and walked forward in two or three minutes to understand, facing the jade pendant in the ice basin and calculating it.

degree 13 minutes, make 1254 meters, on 6o meters. "According to Cheng Jinzhou's description, the Star Warlock apprentice reported that it was actually the coordinates.

An Feng was slightly moved, he still knew the research scope of his old friend, and he had a strange feeling about Cheng Jinzhou's skillful use.

Cheng Jinzhou looked at Tang Wen confidently and said, "Please." ”

Looking at the jade pendant that was still white in the ice basin, Tang Wen gritted his teeth, and according to the coordinates that Cheng Jinzhou said, a ray of light instantly appeared from his right index finger.

A few curious astral warlocks had already come to watch.

The light is yellowish and clear at first glance. Some of the light passes through the pelvic floor, but some of it passes easily through the thread of the upper part of the jade pendant......

More than one person exclaimed.

Even An Feng Star Warlock and Jiang Huang Star Warlock couldn't help but have a sparkle in their eyes, for Star Warlocks, accurate positioning is particularly rare, and their uses can be said to be infinitely wide. Tang Wen also lost the idea of winning, and looked at his fingers blankly and thought: If he hides underwater in the future, wouldn't he be able to accurately attack the star warlocks and airships passing in the sky?

The ginger star warlock lifted his body slightly, as if his torso, which had not moved all day, needed to move. He himself had many interests in the Great Xia Dynasty, so he could instantly think of the subtleties of Cheng Jinzhou's design.

Although there is a lot of research by the sorcerers, it is mainly used by the sorcerers themselves, and basic research usually needs to be promoted by associations - the results produced by countless funds are relatively unobtrusive, and naturally a level lower in sense.

As if seeing his interest, the second-level star warlock Deng Shu immediately asked, "Mr. Cheng, has the refractive index of the medium changed?" How to prove it? And how? ”

"In some cases it varies, and as for the way of proof, I have not yet thought of the calculation of the refractive index of the medium, I have another formula." Cheng Jinzhou is very shrewd now, this is the amount of a few papers, it is definitely a good time to accumulate contribution points, he is not like a high-level star warlock, he can worry about food and clothing.

Geometric optics is the most basic and basic part of physics in later generations, even if many people give priority to military purposes, it will not have much impact on the times, and it will not have much impact on Cheng Jinzhou's superior knowledge, which is his favorite content.

The scene was a little chaotic, and after a while, An Feng Star Warlock said slowly: "Cheng Jinzhou Star Warlock has given us a series of difficult questions, I'm afraid we have to think about it for a while." ”

The astral warlock on his side wilted as if he had failed.

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