Chapter 2442: Someone took that step

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"Yes, Master, if you can, please give me a roll of accurate maps, and a roll of accurate maps that encompass Yuyu." Lu Xun thought for a while and said, "Let me remember the whole in my heart and use my future life To measure, to verify. "
Chen Xi couldn't help feeling emotion, and should I say that it was Lu Xun? This kind of mentality, this ideal is really far-reaching, but Yu Nei, no one even has a precise map of the entire Yu, even the later generations, the so-called world map It is also worthy of the scope of the current human beings. Yu Nei, looking up at the bright galaxy, that is Yu Nei.
"Okay, I will draw you a scale with accuracy and terrain with the scale." Chen Xi suppressed his desire for starry sky and narrowed the map to the world. In this way, what Lu Xun wanted was not It was so difficult, at most it was a bit of trouble, but Chen Xi still had time before he got married for a little half a year.
Not to mention that by Lu Xun, Chen Xi also remembered that, while he still remembers a relatively fine world map, he still merged all the maps in advance to make an accurate and usable map as a base.
"Thank you teacher." Lu Xun said with a happy face, he really wanted to see how big this world is.
"Well, I will first write a post card to General Huangfu, and take you with you tomorrow." Chen Xi saw Lu Xun's look and smiled. "You wait here first, I'll write a post card, let My old butler delivered it. "
Lu Xun nodded, and Chen Xi headed to the study room. When Chen Xi came again, the stone table was filled with various snacks. Lu Xun was sitting on the side, and Cai Yan was sitting on the other side, Chen Ying Be on the sidelines.
"Well, it's rare." Chen Xi was a little surprised to see Cai Yan appearing. To be honest, from the year before last, Cai Yan had fewer and fewer visits to Chen Xi. When the second lady had Yang Hu and the sheep emblem After Yu, Cai Yan basically did not come to Chen Xi.
"Some questions I want to ask." Cai Yan said, holding the tea cup in his hand, without any ups and downs, and it was an explanation for those who were not here.
"What's the problem?" Chen Xi asked puzzled. Generally, Cai Yan would solve the problem by himself. If there was a problem with Cai Yan for some time, he would still seek answers from Chen Xi. Now, this is no longer necessary.
"Mo Ling's Gan family took a bunch of things and came to me for an answer." Cai Yan said calmly and coldly.
"Huh, you actually do this kind of thing?" Chen Xi said with a surprised face, never heard that Cai Yan also has a hobby of answering questions.
Cai Yan heard the words, his cold eyes naturally glanced at Chen Xi, nothing else, but still made Chen Xi a little embarrassed.
Fortunately, before waiting for Chen Xi to speak, Cai Yan has already explained to Chen Xi, "It's not that I received something for the other party's answer, but I will help others solve some academic questions. As for whether it is a standard answer, I can only say Is based on my knowledge reserve. "
"..." Chen Xi has nothing to say, it seems that Cai Yan does not have a view of the portal, but because of her identity, it is difficult for someone to go to her to study, but if you go to the door, as long as it is purely an academic question, Cai Yan seems to be able to answer it.
"What's the reason this time?" After a while, Chen Xi set aside Cai Yan's answer and asked.
"In the Gan Family of Mausoleum, there was a split because of a problem, and in order to avoid the family split, the Gan family owner Gan Fen sent the problem to me, hoping that I could give an answer." Cai Yan said with a little sleepiness.
Chen Xi looked at the sleepy color on Cai Yan's face and couldn't help but feel a little strange. Cai Yan still paid attention to appearance in front of people. This kind of obvious sleepy color is almost unimaginable to Chen Xi. Is this something wrong? ?
"It's strange, why did you ask you?" Chen Xi asked in a puzzled way.
"Because of the current academic knowledge on the bright side, I know the most, and compared to some people, I seem to be more idle." Cai Yan said in a hurry.
Chen Xi scratched his cheek. Some of them did n’t know what to say, but that ’s right. The academic thing on the bright side is indeed Cai Yan. The key of the library in the library is hanging on Cai Yan ’s neck. Cai Yan itself is equivalent to a library.
It is said that any strong man can marry, and it can be transformed into a family in three generations. Afterwards, relying on the large number of classics brought by Cai Yan, it is enough to pile up the entire family to Shuxiangmendi.
However, unfortunately, Cai Yan did not have the idea of ​​marrying people at all, and Cai Jiasheng was relying on Cai Yan alone, so Cai Yan did not mention outside marriage, even if other families were interested, there was no way.
"What's the problem?" Chen Xi scratched his cheek and asked awkwardly, "Speaking of it, can't you solve it?"
Cai Yan ’s own qualifications are very good, and he has spiritual talents and quasi-spiritual talents. With the feeding and feeding of Chen Xi ’s large number of classics, it is indeed extraordinary in terms of academics. According to the current social environment, unless it is a philosophical question There may be a situation that makes Cai Yan difficult.
"The earth we stand on is round," Cai Yan said slowly.
"..." Chen Xi heard his eyebrows shaking, and did not speak, but Lu Xun was completely stunned, and his mind was chaotic.
"Uh, this is what you asked, or ..." Chen Xi thought about it for a while, decided to still think about what was going on, and then answered.
Although during the Spring and Autumn Period, people from China and Ancient Greece suggested that the ground beneath their feet was a ball, but neither side has proved it.
Later, during the Warring States period, Gander and Shishen from the Central Plains inferred that the earth was a ball from the formation of a lunar eclipse. , How can the earth be a ball!
So both parties only mentioned this speculation in their own classics, and then they will not say anything, and the corroboration will be a lunar eclipse. From this aspect, the group of people in two thousand five hundred years is indeed a terrific match. Normally, after all, a number of actual founders of civilization have been born on both sides.
After that, the Central Plains actually proposed that the earth was a ball. It was the fall of Hong Han in the Western Han Dynasty, and he directly went to the sky to say that, but Luo Hong could not really start this theory. Although it was proposed, it was not recognized by the mainstream society .
It would be terrifying to come down to Zhang Heng again. Huntian said that Huntianyi directly explained the many astronomical phenomena of the Earth and Moon system and the solar system at that time, which made Huntian really start to overwhelm Gaitian.
However, Zhang Heng could n’t explain it himself. If the earth was a ball, why did n’t he roll down? In addition to Zhang Heng ’s conditions at that time, there was no way to measure the area and circumference of the ball, so Hun Tian said that although he explained a lot of things, it was There is no way to completely kill Gai Tian.
As for the years of the Three Kingdoms, Huntian said that it had already gained an advantage, but Huntian said that there was a big problem that there was no way to explain the problem of the ball, because although Huntian said that it is popular, but it is really determined that there is basically no one under the ball. .
Cai Yan now asked, in this tone, someone should have firm evidence.
"Gan family, the question asked by the people of Gan family in Lingling, some of them rely on moving the target on the sea surface, calculate the limit of the visible range, calculate the circumference of the earth, they think that the foot is a ball!" Said, and then took a stack of cuffs from the cuffs and filled the conclusions drawn by the calculation methods and various verification results.
"The conclusion?" Chen Xi said with a big head. He had long known that some monsters in the Central Plains were not easy to deal with. Well, this wave really met.
In fact, this should not be blamed on Chen Xi. In the past, on the land, the ancients fixed in one place could hardly draw the conclusion that the earth is a ball even if there were knowledge accumulated by generations. Feng Shui, the people who can learn from the public got the ship south, and this group of people almost got into a fight on the ship.
Needless to say later, the Gan family is not convinced, the Chen family is also unhappy, and the Wang family is also black-faced. In the end, this matter was exposed, but when the three families returned home, they directly opened the family research mode, but the Gan family smashed it. The money was the most ruthless, and the method was chosen the right way. It took only half a year to produce the result, and then for this result, the Gan family fought internally.
"Circumference calculation is based on the latest data calculated by Zhao Junqing. Gan Fen and Mo Ling Gan family actually measured at sea for two months, and finally determined that the ground beneath their feet is a ball, and the value will be greater as they go further south, according to their calculations The maximum perimeter of the ground underfoot was replaced with the latest unit of 40,000 kilometers. "Cai Yan handed over the calculation paper from the Gan family to Chen Xi.
Chen Xi is silent. Actually, there is little discrepancy between this data and the data in his impression. It should be said that this family is worthy of doing this professionally.
Looking at the calculation data on hand, Chen Xi admired it immensely, and noted a large amount of actual measurement data. In order to avoid mistakes, he even conducted several actual measurement in the same place. After excluding some unexpected data, the average value was calculated.
There are also several calculation methods, such as shadows in different areas at the same height at the same time, the visible distance of the horizon on the sea surface, and even light spells such as asking the fairy to use near-laser light. The height of the ship's scale away and rising, the last data taken is the last one.
Naturally, the accuracy of the data calculated in this way is terrible. By the way, in order to complete this test, the wealth accumulated by the Gan family for hundreds of years has evaporated by a third. The cost of buying a boat, arranging manpower, and buying precision clocks , Buy colorless crystals and so on.