Li Mu is thinking about how to solve the current predicament of Zhao State. After a night of walking back and forth. He decided to accept Shang Wen's invitation and visit the Qin State to see what changes had taken place in the Qin State. At the same time, it also allowed the first batch of students from Zhao to arrive in Qin. Because of the Daiji earthquake. Zhao Guo's students were stuck in Handan. He didn't go to Qin in time.

After thinking about it, Li Mu began to write to Shangwen. Tell the other person about your travel plans, etc. The new situation between Qin and Zhao is changing in the private messages of the two people.

"Hurry up." Yingyu got up early, grabbed Shang Wen's ear with her hand and shouted.

"Oops, oops, it hurts." Shangwen had to get up from the couch.

"Let me go to bed early, I can't sleep at all." Yingyu's face was a little sleepy, but she couldn't sleep.

"Ahh Shang Wen stretched his waist and snorted.

"Hurry up, work, I'm going to see the phone today." Yingyu shouted.

"Oh." Shang Wen still agreed a little confusedly. He didn't wake up either.

"Hurry up. Be careful that I splash you with water. "Yingyu was washing under the service of the maid, which should have been avoided. But Yingyu had long thought in her heart that the two must get married. So don't care at all.

Shangwen was still sitting on the couch and playing Hatche. By the way, consider how to do the phone. The telephone microphone converts the acoustic information into electrical information because the carbon semen diaphragm squeezes the carbon particles, so that the resistance changes from large to small, so that the current in the circuit changes according to the strength and weakness of the sound vibration, and then the sound signal becomes an electrical signal. And then spread out.

The telephone installation is simple. It's a permanent magnet. Fortunately, it is not very demanding. If you ask for a large magnet, you can't make it anyway. At the same time, Shangwen also solved that problem before, and the appearance of the gramophone was supposed to be after the phone call. Because the toner microphone of the telephone is borrowed from the charcoal transmitter in the gramophone. This invention made it much less difficult for Shangwen to make a telephone.

Shang Wen got up and started making a telephone, his mind full of the appearance of the telephone. It didn't even occur to me that I hadn't freshened up.

Telephones are now made in a way that the handset and microphone are combined. That is, the most traditional way to use the telephone. Then remake the charcoal microphone and install it in the phone. In order to make a difference in the phone, Shang Wen ingeniously installed some small bells on the phone to prompt the call.

Then simply modify the telephone line, power cord. Since the telegraph line was not recovered yesterday. Moreover, insulated wires are very scarce, so Shangwen can only pinch off the telegraph wire and replace it with a common telephone line. At the same time, Shangwen also needed to make another telephone.

The telephone made by Shangwen is made except for some metal materials inside. The rest is all wooden. And the second part. The same is true. Just when Shangwen was making the second telephone. Yingyu finished washing up and eating breakfast. Watching Shang Wen busy before and after.

"Hey, idiot, let's eat." Yingyu shouted.

Shang Wen was busy making the telephone and didn't hear it at all.

"Oops. Time to eat. Yingyu shouted loudly.

"Oh. I know. I'll finish first. After that, he started to get busy again. Yingyu pouted and expressed disbenement. I had to eat alone.

It took two hours for Shang Wen to finish all the work at hand.

"Alright. The call is done. Shang Wen clapped his hands and said.

"This is the phone?" Yingyu leaned over and asked.

"That's right. If you don't believe me, I'll call you over there. Let you hear it. Shang Wen said.

"That's good. I'll try it too. Yingyu said.

"That's right. When you hear the bell. You just pick up the phone. Remember, there is this end of the wire underneath. There are no wires to your ears. It's like this. Saying that, Shang Wen told Yingyu how to use the phone.

"Oh. Oh. Yingyu nodded desperately to indicate that she understood.

"Then I'm over there. When you hear the ringtone, you have to pick up the phone. Shang Wen asked again.

"Oh, I see." Yingyu replied impatiently. Shang Wen was helpless, so he had to quickly run to the other end to call Yingyu.

When making a call, Shangwen uses a hand-cranked micro-generator to send an electrical signal to call the other party, and the other party forms a call loop after the other party turns on the machine. This way the two of them will be able to talk to each other.

Shangwen shook the micro-generator to send out the signal. And the phone bell on Yingyu's side "jingled".

"Princess, this, this, the bell has been ringing." The maid didn't know what to call it. And the bell rang.

"I know." Yingyu said impatiently. Maybe it was because I didn't sleep well last night. Makes her feel a little bad today.

Yingyu didn't even look at the phone, and picked up the phone directly as Shang Wen said, but she took it backwards. The end of the message is in her ear, and the earpiece is in her mouth.

Shang Wen saw that the other party was connected. He shouted loudly, "Hey, hey, hey." Speak. Hey, hey. Shang Wen shouted louder and louder each time. But the other party just didn't have a voice.

"Why is there no sound. Dead idiot, dare to lie to me. I want his life. Yingyu said viciously.

"Princess, it seems like you're taking it the other way around. The prime minister asked you to put the end with that line underneath. The maid kindly prompted.

"Ahh That's right. With that, Yingyu turned the phone. But she just got it to her ear. I heard Shang Wen shouting loudly, "Hey, hey." ”

Yingyu's ears were close to the earpiece. It hurts to be shaken. The fire came up all at once.

"Hey, what, hey!" Yingyu retorted loudly.

"Oh. You finally pick up ・・・・・・・" Shang Wen's words were not finished. Yingyu fought back again.

"Hey, let me feed you. The beauty of thinking. You stupid. Yingyu shouted at Shangwen, while the maid laughed on the side. In the state of Qin, even the king of Qin respected this gentleman very much. But this eldest princess is extremely disrespectful. And the two often fight and fight. Also strange. Prime ministers rarely get angry. Sometimes he took the initiative to make the eldest princess happy.

"No, it's not. Listen to me. Shang Wen shouted loudly.

"What do you say. You say, you say. Yingyu said with the phone.

"Hey, it's a phone call that reminds the other party that he's not there." Shang Wen said.

"Oh, you don't need to ask. A few more words can tire you. Yingyu said disdainfully.

"What to feed, it doesn't sound good at all. I don't know what you think・・・・・・・". Yingyu took the phone and chattered endlessly, this is not Shangwen's. Shang Wen had no choice but to put down the phone. Listen. Yingyu's voice was loud enough. Shang Wen motioned to the person next to him to tell King Qin the news. Then quietly listened to the chattering voice of Yingyu on the other end of the phone. The first phone call in the history of the Qin State. It was born out of numbers.