"A teacup?"
Yuanbao and the other children looked at what Shen Yibei was holding, full of doubts. "Brother Yibei, are you going to use this teacup to play that little game?"
"But what can you do with a teacup?"
What Shen Yibei held in his hand was indeed a teacup, and it was just an ordinary teacup used for drinking water. However, he had prepared more than just this. He then took out a piece of cardboard as wide as the cup's mouth from his pocket.
However, even with these two, the younger ones still couldn't imagine what a teacup and a piece of paper could do.
However, even though they couldn't think of it, it didn't affect their belief in Shen Yibei. So now, they became even more excited.
"Brother Yibei, let's get started!" Yuanbao urged excitedly.
"I also want to see what mini-games we can play. Can we start now?"
"Do you need to prepare anything else, Brother Yibei?"
"There's still one thing missing. Come with me." After Shen Yibei finished speaking, he took Baoya's hand and walked ahead, leading them to find the last thing.
The children felt that the game that was about to be performed was very mysterious, which aroused their curiosity. They were guessing what it was all the way.
Not long after walking, Shen Yibei brought Baoya Yuanbao and the others to a small river.
A few of the little ones stood aside and blinked. Could it be that this game also requires a river?
Shen Yibei released Baoya's little hand, then walked to the river and filled the teacup with water. He carefully carried it back to the children and said,
"Look, the mini-game is about to begin."
When the little ones heard it, they immediately stared at it without blinking, their curiosity reaching its peak.
Shen Yibei held the cup filled with water steadily in one hand, and took out the piece of paper with the other hand, and then covered it with it. He pressed the paper gently, and when he felt it was about right, he pressed the paper close to the rim of the cup with one finger, and slowly turned it over with the other hand.
Then, a magical scene appeared - he released his hand that was pressing on the rim of the cup, but the piece of paper seemed to be firmly stuck to the rim of the cup, motionless, and not a drop of water inside flowed out!
The little ones opened their mouths in surprise, their faces filled with disbelief: "What's going on? Where's the water inside? Why isn't it flowing out?"
"Why doesn't this piece of paper fall off? It seems like it's stuck."
"Where's the water inside? Brother Yibei, could it be that you secretly poured out the water while we weren't paying attention?"
“Is there any water in there?”
"Brother Yibei, this... this is too amazing, how did they do it?"
“.......”
Baoya, who was standing next to Shen Yibei, looked up with her little head tilted back, her big eyes filled with surprise. She had the same question as her brothers.
However, they actually saw water inside just now, and Shen Yibei did not make the water disappear under their noses. It was just that they were too surprised and had no way to explain the phenomenon before them.
Shen Yibei smiled slightly, then reached out and flicked the piece of paper. In an instant, the paper fell off, and all the water in it spilled out.
"Wow!" Several of the younger ones couldn't help but exclaim.
"How...how did they do this? Brother Yibei, please tell us about it."
"That's amazing! Brother Yibei, I want to learn this too. I want to perform for Wang Daniu and the others when school starts. I'm sure they'll be scared to death!"
“That’s amazing!”
"Oh my god, what on earth is going on? Why didn't the piece of paper fall off just now, but fell off as soon as I moved?"
Boyu picked up the piece of paper on the ground and touched it. There was nothing on it, only water stains. He couldn't understand why the piece of paper didn't fall off.
"Try it yourself first."
Shen Yibei did not tell them the principle immediately, but handed over the teacup in his hand and let them study it themselves first.
Seeing Bowen take the teacup, Yuanbao quickly said, "Second brother, put the paper on it and see if it falls off."
He was extremely curious and watched Boyu imitating Shen Yibei's previous movements, placing the piece of paper on the rim of the cup, then slowly pressing it, and then turning it over. However, the moment he let go, the paper immediately fell off.
Boyu tried twice more, but the result was the same.
Wenjie Yuanbao also took it and tried it, and it was the same. As soon as he let go of his hand, the piece of paper fell off immediately.
Bowen thought for a moment and said, "There was water in it just now. Could it be related to water? Let's fill it with water and try again."
Yuanbao handed the water cup to Bowen, and then Bowen walked to the river, thinking about Shen Yibei's actions, and tried his best to restore them. Then, he filled a cup of water and slowly walked back.
He tried to control
He controlled his own hand, then took the paper with his other hand and slowly repeated Shen Yibei's movements. After feeling that it was almost the same, he slowed down his movements and began to flip it, then gently released his hand.
This time, the paper paused for about a second, then fell with a "pop", and all the water inside spilled out. However, despite this, the little ones were still very happy and were encouraged:
"Just now, I just stopped for a second!"
"I saw it too. We're almost there, aren't we? Just a few more tries and it'll definitely work!"
"Brother, try again."
Bowen also gained some confidence, he tried again, but failed in the end. The other children did not give up, and continued to try back and forth, and soon the ground under their feet was wet.
"Why doesn't it work? Just now, I was almost successful." Yuanbao said with a drooping face, a little frustrated.
"Brother Yibei, why were you able to do that just now? Was it something we did wrong?"
“Brother Yibei, just tell us.” Yuanbao and Wenjie saw that they had tried so many times without success, and their mood became depressed. They opened their mouths and begged Shen Yibei.
When Shen Yibei was about to speak, Bowen said, “I’ll try one last time.”
After saying that, he took the water cup and went to the river again. Shen Yibei didn't say anything. When Bowen came back to prepare for the next move, Shen Yibei took out a new piece of paper and handed it to him.
Bowen took it and repeated the same action. With the cup upside down, Bowen took a deep breath and slowly, slowly released his grip.
This time, the paper didn't fall off and the water inside didn't flow out. He succeeded!
The little ones were so surprised that they cried out in joy. Even Bowen couldn't stop smiling. He tried hard to control himself and stop his hands from shaking, allowing this state to last for two more seconds.
Then, the paper fell to the ground and the water spilled out. Bowen couldn't help but exclaimed excitedly: "It worked, it really worked~!"
Baoya also became happy, clapping her little hands and her eyes curved into crescents.
When Shen Yibei saw that Bowen had succeeded, a smile appeared on his face, and he praised: “Very impressive.”
The little ones were excited for a while, and then began to ask Shen Yibei's principle: "Brother Yibei, why does the paper fall when the cup is empty, but not when there is water?"
“There is water, isn’t it?
Would it be heavier? Why would the water be blocked by the paper and not fall down?
"Why on earth is this happening? It's amazing, right?!"
"Is this also physics knowledge?"
“…”
After listening to their questions, Shen Yibei nodded and began to answer their questions: “Yes, this is also a physical principle. It is related to the atmospheric pressure I told you a few days ago.”
"When the paper is pressed tightly against the rim of the cup, leaving no gaps, the atmospheric pressure inside is lower than that outside, so the atmospheric pressure outside pushes the paper upwards, thus blocking the water from flowing out."
"The reason you failed the first few times was because the paper was soaked, which affected the results. When you try again after returning, pay attention to the hardness of the paper and practice more, and you will succeed."
At this point, Shen Yibei added: “You know that things fall down, so do you know why things fall down instead of flying up into the sky?”
This question confused the younger ones again. They had always thought that this was the case, but when Shen Yibei asked them why it was like this, they couldn't explain it.
"That's it... is there any other reason?"
Shen Yibei nodded: "Yes, the reason why things fall down is because of 'gravity'..."
The younger ones were stunned again. They didn't expect that all this could be explained by knowledge. They had never thought about this before, but now they felt particularly shocked when they heard Shen Yibei say it.
"So...so that's how it is. What the heck is physics? It's amazing."
"When school starts, I'm going to ask my teachers if they know this."
"I want to study physics. I like physics so much. When I go to school in the future, I will definitely study it well!" Yuanbao said with a firm face, holding his hands.
Yuan Bao certainly couldn't have imagined at that moment how much he would regret his decision many years later when he was tortured to death by physical torture...
......
When the little ones came home in the evening, they were all very excited. Instead of running to the kitchen to see what was for dinner, they ran into their rooms, took their water bottles, and looked for scraps of paper everywhere.
However, after searching for a long time, he still couldn't find a piece of cardboard as thin and thick as Shen Yibei's.
Yuanbao frowned in distress, then thought of his brothers' textbooks. Although the pages were a bit thin, the cover was still quite hard.
Bao shrank his neck. He didn't dare to say anything for fear of being beaten.
"Or we can do the experiment tomorrow. When this piece of paper dries, we can use it," Wenjie said.
The little ones all had bitter faces. They had just learned such an amazing thing, so of course they couldn't wait to play with it more times. They were anxious and didn't want to wait until tomorrow.
However, there seems to be no way now.
Feng Guizhi came out of the kitchen and looked at the little ones who were acting out of character, their faces drooping. She asked, "What's going on?"
Seeing Feng Guizhi, Yuanbao immediately ran over and looked up at her and asked, "Grandma, do we have any paper at home? Something hard, not too thin."
The old Song family really didn't have this kind of thing, but Feng Guizhi thought about it and found something that could replace it.
The author has something to say: I would like to recommend a good friend’s article: "My Live Broadcast Room Leads to Another World [Business]", by Weiwo Liaoren
After the college entrance examination, Xia Lili got a magical business game system from her parents. After drawing the "Live Sales Room" from the system, Xia Lili began to sell [off-season winter clothes], [unsaleable agricultural products], [cheap snacks] and other items in reality to all the heavens and worlds!
The writing is simple, but the text is very nice. If you are interested, please support it. Pen refills~
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Thanks to the little angel who irrigated the nutrient solution: Meng Lanxun 30 bottles;
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