Strange Interest Pavilion Workshop.
"Heh! Li Zexuan, what else do you have to say now? How dare you deceive me. Tell me, what is it that is making noise in this room? "
Li Er also heard the "beeping" sound in the room. He instantly remembered the situation that Zhao Song reported to him at noon in the palace, so he pretended to be dignified and pressured Li Zexuan. He wanted to go in and search, but as an emperor, it was already inappropriate for him to come to the outer room of Li Zexuan's bedroom. How could he enter the inner room?
"Uh …"
Li Zexuan looked at Li Er and didn't know if Old Li was really angry or faking it. In terms of acting, he was not Old Li's opponent. He said with a guilty conscience,
"Your Majesty, I have never deceived you from beginning to end! This is just a small toy that I made to please my fiancée. It is not worth mentioning and is not presentable! "
"Oh? What kind of thing can please a girl? Can Li Siye take it out and let me see? "
Empress Zhangsun chuckled.
Alas, Li Zexuan sighed in his heart. It seemed that he had to take it out. He could only hope that Li Er had some moral bottom line and wouldn't confiscate his "dating" tool!
"Yes, Your Majesty!"
Li Zexuan cupped his hands and obediently went in to carry out the pile of devices. He placed it on the table between Li Er and Zhangsun.
"Your Majesty, Your Majesty, this is a small toy that I made for my fiancée."
"What is this thing called? What is its use? Why does it look so ugly? "
Zhangsun looked at the strange and ugly machine and frowned in confusion. She didn't think that this thing could please a girl.
Li Er didn't judge a book by its cover. Well, he judged an object by its cover. After looking at the machine with many wires, he said,
"You brat, don't hide it. Tell me the truth! Zhen and the Empress won't snatch your things. Look at your stingy appearance. You're a minister of the Imperial College. If word gets out, you'll embarrass the imperial court. "
He was an astute person. From the moment he entered the room, he had sensed Li Zexuan's strong vigilance. Thinking of this, he felt a little angry for no reason. He was the ruler of a country. Would he snatch something from you?
Li Zexuan secretly rolled his eyes. In his heart, he cursed, "How many things have you snatched from me? The Immortal Drunken Wine had been directly snatched away and taken to the palace as the imperial wine.
"Your Majesty, this is a 'telegraph machine'. It's a tool that I use to communicate with my fiancée. It hasn't been completed yet and is still in the testing stage."
"How can such a small box allow two people to communicate?"
When Li Er heard Li Zexuan's words, he was in disbelief.
Empress Zhangsun also looked over curiously.
"Erm, Your Majesty, this telegraph machine is divided into two parts, the transmitter and the receiver. The transmitter can send out a signal through this key, and the other telegraph machine dozens of miles away can receive this signal. The people over there can translate the message sent by the transmitter according to the 'di di' sound!"
Li Zexuan was stunned by the question. It was not that he didn't know how to explain it, but that he didn't know where to start. The two of them didn't have any foundation in electromagnetism. It was too difficult to completely explain it to them. After thinking about it, he simply simply introduced the principle. If Li Er and Zhangsun didn't understand, then forget it.
Of course, Li Er didn't understand. He frowned. When Li Zexuan finished, he looked unhappy and said, "Speak human language!"
"Uh …!"
Li Zexuan was almost choked to death. He thought for a moment and found that there was no way to explain it clearly in a few words. He could only say,
"Your Majesty, Your Majesty, the principle of this telegraph machine involves a lot of electromagnetism knowledge. I really can't explain it clearly in a short time. However, Your Majesty and Your Majesty only need to know that when I send a" beep beep beep "sound here, 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? It can be transmitted so far? "
Li Er saw that Li Zexuan wasn't deliberately beating around the bush. He understood that the principle of this telegraph machine really couldn't be explained clearly in a few words. He directly skipped the parts he didn't understand and captured the most important information in Li Zexuan's words.
"That's indeed the case. After I've tested the telegraph machine, I've found that it can send messages up to at least 11 miles away. And that shouldn't be the limit. Theoretically speaking, if this telegraph machine is perfected to the limit, it can allow two people in any corner of the world to send messages to each other. The process of sending messages can be completed in the blink of an eye!"
Since the telegraph machine had been taken out, Li Zexuan didn't intend to hide anything. He could also show off in front of Li Er. Wasn't it great! If his parents in his previous life knew that he had once shown off in front of the emperor Tang Taizong, they would definitely be very pleased.
"People anywhere can communicate with each other in the blink of an eye? Hiss ~! "
Li Er carefully recalled what Li Zexuan had just said a few times and couldn't help but have a toothache. It was really too shocking! Compared to the methods of communication that people often used in this era, such as relay stations, carrier pigeons, and fire beacons, Li Zexuan's telegraph transmission had completely subverted everyone's understanding!
"This empress has one thing that I don't understand. Can Li Xiannan solve this problem for this empress?"
Empress Zhangsun always looked as calm as water. At this time, she looked at Li Zexuan and asked with a smile.
"Empress, please speak! This small official will definitely tell you everything he knows! "
Compared to Li Er, who was a wolf in sheep's clothing, Li Zexuan preferred to talk to Zhangsun. He felt that Zhangsun was more gentle and virtuous, and her heart was better than Li Er's. However, it probably wouldn't take long for Li Zexuan to understand how stupid his current thinking was.
Zhangsun nodded and said, "According to what you said just now, this telegraph machine, regardless of whether it is sending or receiving a message, will make a" di di di di "sound. However, with just this sound, how can we know what message the other party wants to send?"
Li Er also reacted and said, "The empress is right. With just this" di di di di "sound, how can we send a message?"
Li Zexuan looked at the few eunuchs and palace maids who came in with Li Er and Zhangsun. He hesitated for a moment and said solemnly, "This is a confidential matter. Your Majesty and Empress, please dismiss your servants!"
Li Er thought for a moment and waved his hand. "All of you, leave for now. Zhao Song, you stand guard outside. Don't let anyone come near!"
He saw Li Zexuan's rare solemnity and realized the seriousness of the matter, so he dismissed his subordinates.
"Yes!"
Zhao Song responded.
Brother Chicken heaved a sigh of relief. He didn't want to listen to those secrets here. He followed the eunuchs and palace maids and slipped out together.
.....
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