Vol 2 Chapter 888: Engineering, a new world! (under)

"Mo Zhong, come here!"
Li Zexuan, who was about to play a new game, didn't take any immediate action. Instead, he awakened the dumbfounded Mo Zhong next to him.
"in!"
Mo Zhong quickly eased from the shock, ran to Li Zexuan's side, arched his waist, and made an earful gesture.
I saw Li Zexuan leaning in Mo Zhong's ear, whispering something, and then...
"Huh? Shan Chang! This...you didn't kid me, did you?"
Mo Zhong stared, his mouth could lay an egg.
"Who has free time to joke with you? Why don't you go!"
Li Zexuan didn't have a good air.
Everyone off the court was a little dazed when they saw this. They didn't know what Li Zexuan had ordered, so that Mo Zhong would have such an expression.
However, their doubts did not last long. After Mo Zhong ran out, after about half a cup of tea, everyone noticed the abnormality, and suddenly exclaimed!
Because Mo Zhong actually ran to the roof and broke the tiles!
There is a good saying that if you don’t fight for three days and go to the house to reveal the tiles, all the teachers and students off the court can’t help but say in their hearts: Mo Zhong has gotten so crazy? Dare to run to the roof to uncover the tiles?
"Shanchang, can you take this piece off?"
Mo Zhong on the roof lay down and shouted.
"Om~!"
Only then did the students and teachers in the auditorium realize that Li Zexuan had just instructed Mo Zhong to go to the house and uncover the tiles! They couldn't understand what Li Zexuan's move meant, and they couldn't help but talk a lot.
"No! Go a little further behind!"
Li Zexuan glanced sideways, then replied.
The Mo Bell on the roof had to cover the uncovered tiles, and later opened another one, and asked, "Shanchang, is it okay?"
"It's OK!"
"Then...then I will go down!"
"Stay on it first, I need you later!"
The bizarre conversation between these two people was shocking everyone's attention. Fortunately, after saying this, Li Zexuan finally became "normal". He pulled out a piece from a box on the desk. The bright triangular colored glaze, then said to everyone off the court:
"Does anyone know the color of sunlight?"
(About optics, the first book of "Physics" in the academy did not mention it)
"Does this need to be asked? The sunlight must be white!"
Cheng Chumo couldn't help laughing as soon as the voice fell.
"It's obviously red! The sun is so red in the morning, how could it be white?"
Another student immediately retorted.
"What red? It's obviously yellow, can't you even tell red from yellow?"
After a while, there was a commotion off the court. Li Zexuan coughed slightly and said: "Okay, it's all quiet! No need to fight, then I will let you see what the color of the sun is!"
The students calmed down immediately and looked towards the podium with their breath held intently!
Li Zexuan first set up a stand on the podium with white paper (as a white screen) pasted between the stands, and then he used the triangular glaze side to face the sunlight (at this time everyone understands that the ink clock runs to the roof to uncover the tiles. For what, it turned out to be to attract the sun), a magical scene appeared!
"Okay, do you see anything?"
Li Zexuan pointed at the white screen on the podium and smiled.
"Wow!"
The teachers and students were in an uproar. They actually saw a colorful spot on the white paper. Isn't this a rainbow?
"Rainbow? It's not raining, where's the rainbow?"
"Yeah! Is it still sunny today?"
"A miracle! Can a mountain leader create a rainbow?"
"No! The head of the mountain should be trying to tell us that the sun is seven colors!"
"How is it possible? Why is the sunlight I see white?"
"What's white? Obviously yellow!"
"Red!"
The students were amazed for a while, and some of them started arguing again. Li Zexuan said, "It's all quiet! Through this little game, I just want to tell you that many times what you see with your own eyes may not be true! For example, sunlight, some of you think it is white, red, yellow, or transparent, but actually? It is composed of seven colors mixed together!
For another example, have you ever wondered what kind of substance is light? Is it as illusory as the sound, or is it a real substance like the rice and flour we eat? "
When everyone heard it, they fell into deep thought.
After a while, a thinner and young-looking student stood up and asked with his hands: "Student Li Yan, ask the head of the mountain, what is light?"
Li Yan, this is Li Chunfeng's son!
Li Zexuan's heart moved. He had seen Li Yan on the entrance examination report card and knew that this kid was Li Chunfeng's son, but this was the first time he saw Li Yan.
only.....
"Haha! This is a good question! But let's put this question aside first, and then I will show you a little game!"
However, Li Zexuan showed a fascinating smile again, and then said "basely".
Li Yan: "￣へ￣......"
Even as a Taoist, Li Yan, who has cultivated his character for many years and has been quiet and inactive, he couldn't help jumping at this moment. He opened his mouth and thought...want to explode a few swear words, but after thinking about it, he sat back. .
Even if he is like that, let alone the rest of the students!
"Shanchang, please tell us clearly first!"
"Yeah! Make it clear before playing the game!"
"Cao, do it again! You know how to play games! Be your sister's game!" (This is sister Wang Li Tai whispering angrily in private)
Li Zexuan's face was stern, he pressed his hand down, and said, "It's all quiet! I am not afraid of late for a good meal, and I am anxious to eat hot tofu. What are you anxious about? Show me carefully and learn!"
Seeing Li Zexuan's tendency to go crazy, the students shut their mouths very wisely.
"Mo Yun, bring this thing to Mo Zhong!"
Li Zexuan took out a wooden board (there is a small hole in the wooden board), handed it to Mo Yun, and ordered.
After that, he instructed the students to close all the curtains (the auditorium has glass windows). At this time, Mo Yun had already brought the wooden board to the roof and handed it to Mo Zhong.
"Ink clock~EbookFREE.me~ cover the hole in the roof with wooden boards!"
Li Zexuan ordered again.
Mo Zhong did as he said, and immediately the entire auditorium was plunged into darkness. Only Li Zexuan had a very thin beam of light that looked particularly conspicuous.
Immediately afterwards, everyone heard Li Zexuan say: "I am holding a piece of paper in my hand. There are two very close slits on the paper. I will put this slit under the beam of light for a while, and see what happens. !"
The students and teachers all wondered in their hearts: What can happen? Isn’t it just that one beam of light becomes two beams?
However, reality slapped everyone in the face once and again, and saw a stripe of light and dark appearing on the white screen in the dark, with more than two bright stripes! But everyone clearly saw the paper Li Zexuan was holding on top, and only two beams of light were separated! Why do so many stripes appear below?
............()
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