Chapter 81
When Li Xiu passed through the shuttle door with the package, there was no Zhiyue at the door of the secret room passage, so Li Xiu rushed into the secret room anxiously, he was afraid that because of his recklessness, Zhiyue would be injured, or something accident would happen , but the moment he rushed into the secret room, his hanging heart finally settled down. He saw Zhiyue lying quietly and safely in the ice coffin, and there was nothing unusual about it.And Qi Yuan was sitting in the secret room waiting for Li Xiu to come over.

"Brother Li, what is going on here, it seems that you can't carry her back." Qi Yuan said.

"I don't know either. I just passed by and found out that I was the only one. I was still worried about what might happen to Zhiyue, so I rushed back in a hurry. This is the package you want." Li Xiu said to Zhiyue again and again. The ice coffin walked over, handing the package in his hand to Qi Yuan.

"How is she? Is she okay?" Li Xiu asked.

"Don't worry, I saw you go through the door just now, but your wife stayed with us, so I quickly carried her back to the ice coffin, because her body has been in a low temperature state for a long time, if you don't hurry If I put it back, I'm afraid it will be dangerous." Qi Yuan said.

"Thank you, Qi Yuan, thanks to your presence this time, it seems that the method we thought of before won't work. Although Zhiyue is a modern person like me, she can't go back to the modern age now, maybe because of your father. Give her the willingness of his soul. But it doesn't matter, I will think of other ways, there are always more ways than difficulties, today I'll help you make your light bulb a success." After finishing speaking, Li Xiu shook his hand Holding Zhiyue's hand, he said to Zhiyue silently in his heart: Zhiyue, wait for me. I must find a way to save you. I won't give up, and you shouldn't give up either.

Then, Li Xiu and Qi Yuan left the secret room.Go to Qi Yuan's study.

This time, Li Xiu brought a lot of conductive wires to Qi Yuan, enough for all his batteries. Li Xiu said to Qi Yuan, "Qi Yuan, although you are doing this experiment, I think you should first understand the principle of this experiment. , you can understand the principle, and it will be helpful for you to spread this thing to every household in the future, and if you don’t understand its principle, you will naturally not understand its risk. In fact, this thing is also There is a certain danger."

"Of course I am willing to learn more. I just look at the pictures and only know the results. Because I can't understand your words, I naturally don't know the principles inside. I'm just following the gourd, and I don't have a teacher to teach me. You If you are willing to tell me the principle of this, I am happy and there is no hurry, why would you not want to." Qi Yuan put down the book he was studying, and immediately said happily to Li Xiu.

"Well, let me tell you about the principle. In general, glass is an insulator, so of course, using it to connect a circuit will not pass current, and the bulb will not light up. Just like you put the bulb on the battery before It won't light up the same.

However, insulators are not always non-conductive. Under certain conditions, insulators can also become conductors. When heated, glass becomes a conductor, so the bulb lights up. There are also cases where insulators become conductors. , For example, under high voltage, the original insulating air, rubber, plastic, dry wood, etc. will become conductors. Therefore, people are not allowed to approach near high-voltage transformers to avoid electric shock. Pure water is insulating, but if the water It can also conduct electricity after being mixed with impurities. In our era, there will be news from time to time that after a storm, a middle and low-lying place in a certain place is full of water. It happens that a high-voltage line is cut off and falls into the water. Children don’t understand Scientifically speaking, if you go to play in the water, you will unfortunately get electrocuted. This is because the rainwater turns into a conductor after falling to the ground. So we must be vigilant.
The first thing you need to learn now is to connect the circuits and understand the composition of a complete circuit. The second is to prepare the required materials. What I am giving you now are the simplest materials, but if you want to use light bulbs in your home in the future, actually It's a very complicated process. The simplest one is what we do today. You see, the things you bought before are actually not completely useless. For example, the switch you bought is very necessary. "

Li Xiu told Qi Yuan a lot about the principles and elements of the light bulb experiment. Qi Yuan took out a pen and paper to make notes like a student while listening. Hearing this, Qi Yuan said: "Brother Li, I didn't expect that there is such a complicated principle behind it, so now we are going to start the experiment you mentioned? I can't wait to know the result."

"Okay, let's start now. Let me tell you the steps first. Remember, first connect the battery, switch, and lamp holder with wires, and then close the switch, and the bulb will light up. Turn on the switch, and the light bulb will go out. It's actually very simple." Li Xiu said that he would give Qi Yuan a demonstration for a year.

"I didn't expect such a simple experiment to have so many complicated principles behind it. I really admire the people of your era who could have such a great invention." Qi Yuan said in surprise as he looked at the light bulb that was lit.

"In fact, this is not invented by people of our time. We are also enjoying the research results of others. The reason why this experiment still exists is that the teachers in the school wanted to tell the students the origin of the electric light." Li Xiu replied road.

"It's great. In your time, there were teachers who specialized in teaching these things. It would be great if we also had teachers who specialized in teaching us these things." Qi Yuan said.

"Hey, boy, I'm just teaching you now. In short, if you want to buy batteries to drive the lighting of your entire village, it's impossible. In our era, there was a thing called a generator. , there are a lot of simple ones, you can buy a few here, I will teach you how to use them at that time, now, you first think about where you want to start popularizing this thing, really, very good, Qi Yuan, Nan The Xinjiang people are blessed to have a young and studious patriarch like you. Only you can bring them a different life, and only you can think of selflessly sharing these resources with everyone. If the bronze mirror falls to other people I guess they are not as generous as you. They are willing to share resources." Li Xiu said.

"Okay, Brother Li, don't praise me, I also want to learn by myself, so I will benefit everyone by the way, okay, it has delayed you for so long, let's go find other people, or discuss it with you What should we do when we come down?" Qi Yuan said.

(End of this chapter)

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