Otaku Engineer in Great Tang Dynasty

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Curious Court Workshop.

"Ha~! Li Zexuan, what else do you have to say now? You are so bold, how dare you lie to me, tell me what is going on in this room?"

Li Er also heard the sound of "di-di" in the back room, and he instantly remembered what Zhao Song reported to him when he was in the palace at noon, so he pretended to be dignified and pressured Li Zexuan. He wanted to go in and search directly, but he is a dignified emperor, and it is very inappropriate to come to the outer room of Li Zexuan's bedroom, how can he enter the inner room of others?

"Uh…"

Seeing Li Er's appearance, Li Zexuan didn't know whether Lao Li was really angry or fake. In terms of acting skills, he was not Lao Li's opponent after all, so he said with a guilty conscience:

"Your Majesty, the little minister has never deceived you from beginning to end! This is just a gadget that the little minister made to please his fiancée.

"Oh~? What is it that pleases my daughter's house? Can Li Siye show it to this palace?"

At this time, Empress Zhangsun laughed softly.

Alas, Li Zexuan sighed in his heart. It seems that it is impossible not to take it out. I can only hope that Li Er has a moral bottom line and does not confiscate the tool he used for "falling in love"!

"Yes, madam!"

Li Zexuan cupped his hands, went in honestly, took out the pile of devices, and put them on the table between Li Er and the eldest grandson.

"Your Majesty, Niangniang, this is the little thing that the minister made for the sake of his fiancee."

"What's this thing called? What's the use? Why does it look so ugly?"

The eldest grandson frowned at this strange and ugly machine. No matter how she looked at it, she didn't think this thing would please girls.

Li Er did not judge people by their appearance, er, judge things by their appearance. After he looked at the machine that went around many lines, he said:

"Don't hide it, kid, tell me honestly! I and the queen won't rob you of your belongings. Judging by your stingy appearance, you're still the state's superintendent. If you say it, you'll be ashamed of the court."

What a shrewd person he is. From the moment he first entered this house, he was aware of Li Zexuan's strong vigilance. Thinking of this, he felt a little bit angry for no reason. The dignified king of a country, would he still steal things from you?

Li Zexuan rolled his eyes secretly, slandering you that the old man robbed me of less things? The immortals were drunk and were directly robbed of the imperial wine in the palace.

"Your Majesty, this is called a "telegraph machine". It is a tool used by the minister to communicate with my fiancee. It has not been fully completed yet and is still in the testing stage."

"How can two people communicate with such a small box?"

Li Er heard what Li Zexuan said was amazing, but he didn't believe it.

Empress Zhangsun also cast a curious look.

"Uh, Your Majesty, this telegraph is divided into two parts: a transmitter and a receiver. The transmitter can transmit a signal through this key, and it can be received by another telegraph dozens of miles away. When this signal is reached, the people over there can translate the message sent by the sender according to the sound of "didi"!"

Li Zexuan was stunned by the question, not because he didn't know how to explain it, but because he didn't know where to start explaining to Li Er and Changsun. The two of them had no basic knowledge of electromagnetism. It would be too difficult to explain it to them completely. . After thinking about it, he simply introduced the principle once. If Li Er and the eldest grandson did not understand it, it would be fine.

Of course Li Er didn't understand. He frowned when he heard it. After Li Zexuan finished speaking, he looked unhappy and said, "Speak human words!"

"Uh...!"

Li Zexuan was choked to death. He considered it for a moment, and found that there was no way he could explain it in a few words. He could only say:

"Your Majesty, Niangniang, the principle of this telegraph involves a lot of knowledge of electromagnetism. This little minister really can't explain it in a short time, but Your Majesty and Niangniang just need to know that the little minister sends a "Didi Di Di" here. Di” sound, it is enough that another telegraph machine dozens of miles away can also receive the same sound. This is how two people communicate with each other.”

"Dozens of miles? How far can it be transmitted?"

Li Er saw that Li Zexuan was not deliberately prevarication. He understood that the principle of the telegraph machine could not be explained clearly in a few words. He skipped the parts that he did not understand and captured the most crucial information in Li Zexuan's words. road.

"That's true. At present, the initial telegraph machine has been tested by the minister, and it can reach at least eleven miles away, and this should not be the limit. In theory, if this telegraph machine is perfect, it can make this Two people in any corner of the earth can communicate with each other, and the process of message transmission is almost completed in the blink of an eye!"

Now that the telegraph machine has been taken out, Li Zexuan doesn't plan to hide anything, and he can also put a wave in front of Li Er's eyes. Wouldn't it be fun! If his parents in his previous life knew that he had pretended to be the first emperor of the millennium, Tang Taizong, they would have been very pleased.

"People anywhere can send messages to each other in the blink of an eye? Sigh~!"

Li Er carefully recalled what Li Zexuan just said several times, and couldn't help but have a toothache. It was really shocking! Compared with the communication methods such as post stations, carrier pigeons, and beacon fires that people often use in this era, the telegram communication that Li Zexuan said has completely subverted everyone's cognition!

"There is something unclear in this palace, can Li Xian men explain the confusion for this palace?"

Empress Zhangsun always looks like a plain water,

She looked at Li Zexuan at this time and asked with a smile.

"Niangniang, please tell me! The little minister must know everything!"

Compared with Li Er, a wolf, tiger and leopard in sheep's clothing, Li Zexuan prefers to talk to the eldest grandson. He feels that the eldest grandson is more gentle and virtuous, and has a better heart than Li Er. But it is estimated that it will not be long before Li Zexuan will understand how stupid his current thinking is.

The eldest grandson nodded and said, "According to what you just said, whether the telegraph is sending or receiving messages, it's the kind of "di-di-di-di" sound, but just with this kind of sound, how can you know What message does the other party want to deliver?"

Li Er also reacted, and he echoed: "The queen is right, just relying on this 'didididi' voice, how to pass the news?"

Li Zexuan looked at the eunuchs and palace maids who accompanied Li Er and the eldest grandson. He hesitated for a while, and said solemnly: "It is a matter of confidentiality, please ask Your Majesty and the Empress to step back!"

Li Er thought for a while, then waved his hand: "You all stand back for now, Zhao Song, you are watching outside, and no one is allowed to approach!"

He saw that Li Zexuan was rare and solemn, and realized the seriousness of the matter, so he resigned according to the words.

"promise!"

Zhao Song responded.

Brother Ji breathed a sigh of relief. He didn't want to listen to those secrets here. He slipped out with the eunuch and the maid.

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