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Chapter 342 Optics

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    Yijun went to knock and found that the sound was crisp and not like Tao, so after knowing the situation

    Yijun used his little brain and began to burn some strange stones, trying to see if he could burn out a magic weapon

    The flames in the hearth are raging, and the fire in the mouths of the fire fighters is also blowing

    ?I don¡¯t know what messed up things were added, and then with the help of Fudou, with the help of five friends including Yan Liang, Yan Chui, Yan Zhu, Yan Pan, Xiong Tao, and Xi Zhong

    An utensil that looked a little cloudy, but also a little transparent, with a weird shape and a poor appearance, appeared in front of everyone.

    "What the hell is this?"

    Yijun stared, and tapped lightly on this ancient glassware. He felt that this thing was very fragile, and of course the pottery was not very strong, and they were all goods that would rot if dropped.

    However, compared to pottery and those two strange pottery that can make a crisp sound, this thing is obviously better in terms of material, but the shape seems to be burnt out. It is obviously burnt according to the appearance of standard pottery, but I don¡¯t know which one.  Something went wrong.

    Xiongtao was very interested in this, and was very excited, including those two strange pottery, which was a major breakthrough in pottery making technology. Obviously, the production of these three new pottery was accidental, and the first two were natural accidents.  The latter one was a man-made accident. After all, Yijun didn't know what he was burning.

    The firefighters stuck out their tongues and looked around the glassware up and down.

    "Who remembers what I burned?"

    Yijun asked a few friends, and Xi Zhong jumped out to say that he had written it down.

    ¡ª¡ª¡ª¡ª

    So, when Yu Zai returned to the tribe, what he saw was that Yijun was holding a strange round piece of glass in his hand, and was aiming at his eyes everywhere.

    Yanzai was stunned for a long time before he suddenly realized that what Yijun was holding in his hand didn't seem to be something that appeared in this era!

    "What's this!"

    Yijun saw that Yuzai brought people back, and he knew that the flood fighting work should be over. During this period of time, he kept his ears shut and was only in the stove. Yijun told Yuzai that when he was burning things  , I found these things by accident.

    The little butterfly on the Yandi Bluestone flapped its wings, and the trajectory of time changed dramatically.

    When Yuzai came to the blacksmith shop and saw the two objects that were introduced as special pottery and the strange pottery that was translucent and muddy, Yuzai knew that another technology was unlocked, and it was unintentional.  unlocked in .

    Yijun created the history of mountains and seas.

    The ancient Egyptians had already mastered the original glass two thousand years ago, and the ancient Sumerians accidentally obtained the oval crystal at the same time, that is, the original magnifying glass. This time, Yijun accidentally combined the glass and the  "Optics" was brought into the history of Shanhai earlier.

    The earliest glass was an accidental product when the ancient Egyptians fired pottery.

    The earliest optical discovery should be Tangting Mountain in the "Shan Jing".

    The author of the Shanjing cannot be verified. Unlike the authors of the Haijing and the Dahuangjing, it is generally believed that the oldest author of the Shanjing should be Boyi, because the Shanjing records mostly the flow of the water system. Boyi followed Dayu to control the water.  , he recorded these water systems for a purpose.

    Boyi discovered primitive optics in Tangting Mountain, but it was only recorded and not studied too deeply. Compared with the ancient Egyptians who had already entered the dynastic period at this time, and the Sumerians at the end of the city-state era, the mountains and seas were still tribes.  In the era of the alliance, the productivity is not enough and the accumulation of technology points is insufficient, so that it is impossible to enter the next era

    A large number of applications of optics were in the Spring and Autumn Period and the Warring States Period. The names of Yangsui and Huoqi were crowned on Tongjian and other things, including Mozi's research on the world's first small hole imaging experiment, and the propagation of light along a straight line.  Basic optics fully reveals the role of optics.

    Mozi has studied optics and mechanics, and even engineering, and has summed up eight experiences in optics alone.

    There is also what Keiko said, "The shadow of a flying bird never moves", which is a theoretical summary of optics. However, Mozi is good at research and Keiko focuses on raising arguments. After all, Huizi's job is the Prime Minister of King Hui of Liang, and raising arguments is his main business.  , research is just a hobby

    Yanzai took away Yijun's lens, which was a convex lens, and the light rose in the hand of Yanzai, and then moved the light to gather on the convex lens, and then aimed the convex lens at the ground.

    ?Because of the strong sunlight, in just a few moments, the groundSuddenly there was a burst of flames!

    "Eh?!"

    Yijun clapped his hands: "That's right, that's it. I found out before that this thing can light up a fire. What's the principle of this? It's the same as the heat accumulated by Qi practitioners?"

    "The principle, I will tell you laterbut how did you fire it? And this, this is not pottery!"

    Put down the lens, too strong light will damage this thing if it is focused for a long time.

    Coming to the two special pottery, these two things were accidental products during firing, and Yu Zai recognized what they were.

    This is porcelain!

    Undoubtedly, it is indeed porcelain, but it should be primitive porcelain. Former teammates, archaeologists took them to see these things, saying that they are things from the Shang and Zhou Dynasties, and the main firing material is kaolin, which is common in nature.

    "Actually, there are still a few failed products"

    Xiongtao talked about the things before the appearance of these two things. When he fired them, he used the method of learning, plus the method he had learned from his elder brother before, and fiddled with each other to make them.

    Those pottery of particularly good quality, after looking at them, I found that they were stoneware.

    The so-called stoneware, as the name suggests, is sintered solid stone, something between pottery and porcelain, also called stone-bodied porcelain, that is, a large water tank in the home, or even a purple sand pot. These things are stoneware.

    Xi Zhong handed over the recorded bamboo slips with Cangjie characters written on them to Yunzai, which recorded the stones that Yijun threw in and burned.

    "very good!"

    Yu Zai was very moved. I didn¡¯t expect that the guys in the blacksmith¡¯s shop really made a big deal. Glass, stoneware, pottery, and primitive porcelain, these are all related in context. When I found one, it was in the firing process.  It is possible to find the second one in the middle, just like accidental superposition, constantly deriving!

    However, this powerful thing was evaluated by Xiongtao as strong, but too rough.

    "I remember ChonghuaOh, Wu, Chonghua is Xiang's big brother, you should not have forgotten"

    "Chonghua once helped change the pottery kiln in our Kongsang family. You don't know, the kind of pottery he fired, the great wizard of our tribe, said it was a 'blessing of earth and fire', so our tribe all learned  It's his pottery."

    "The pottery I am firing now is also made using some of his methods, plus some of your methods, and finally made it"

    "Unfortunately, this kind of black pottery is only made of the mud and sand near the big river, which is the best!"

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