Otaku Engineer in Great Tang Dynasty

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"Don't crowd! Come one by one and line up, everyone will be able to line up today~!"

Lantian County, Yanhuang Bank.

When the people learned that there was no commission to exchange Tang Yuan at the Qianzhuang in Lantian County, and that they could get interest for saving money, they all flocked with most of their copper coins. It was already crowded with people, and the servants in the bank hurriedly came out to maintain order and appease the excited hearts of the people!

After all, each of these people is carrying a large bag of copper coins. If there is a dispute over the issue of queuing, it is easy to lose money. Considering this situation, Li Ke hurriedly sent someone to notify the yamen of Lantian County. Let them come to maintain the law and order here.

But there are still too many people who come to save money, there are thousands of people! Although the streets of Lantian County are not narrow after the renovation, they cannot hold so many people!

The entire street in front of the Qianzhuang Gate was already full!

"There are so many of us, will the bank stop taking our money when it's our turn?"

"That's right! With so much money, it's impossible for the bank to collect it all, right?"

Some of the people in the back couldn't help but look worried at this time.

The little servant was obviously trained before, and he heard the words and said loudly: "The villagers can rest assured, since Lord Hou dares to put aside money and save money to earn interest, our bank will definitely be able to eat the money that everyone saves, and we will be able to guarantee that. Everyone’s deposits are safe! If you have something to do today and you can’t wait, go ahead and save money when there are fewer people behind. Our bank will always accept it! I promise you this!”

The little servant's words, let the people feel at ease. Those people who are very low in the rankings are all ready to go home with copper money bags. After all, the people have a lot of farm work to do at home this season.

But there are still some big family members in the team who are worried and questioned: "You promise? You are a little servant, what kind of guarantee? What will compensate us for our losses?"

As soon as the voice fell, a sparse echoing voice suddenly sounded in the crowd: "Yes! What guarantee do you have as a servant? Who will pay for our losses?"

"That's right! I can't go back! Today, the old man must keep all the copper coins in the Yanhuang Bank~!"

"Yes, yes! Don't go!"

After such a commotion, the people who were preparing to go home immediately stopped.

The little servant who shouted just now, seeing this scene, couldn't help blushing with anxiety, but in this case, no matter how much he said, it would not help, because he was just a servant in the bank!

"His guarantee is useless, what about mine?"

At this moment, a teenager walked out of the Qianzhuang hall and said with a blank expression.

Although his voice was not loud, it could reach everyone's ears clearly.

"Who is this young man?"

"Shut up! That's His Royal Highness the King of Shu!"

"What? It turned out to be His Royal Highness King Wu?"

Soon, someone recognized Li Ke, and the turbulent scene calmed down instantly.

"Since the villagers recognize this king, then this king will explain some things in front of you today!"

Li Ke looked at everyone and said loudly: "No commissions, saving money to earn interest. This is a preferential policy launched by Yanhuang Bank in Lantian County for all the people in our county. This policy is long-term and will never happen today. , it will be gone tomorrow, in the name of the king of Shu, I promise you~!"

"Your Highness is wise~!"

"Your Highness is mighty~!"

After listening to Li Ke's promise, the people burst into cheers.

After a while, the cheers subsided, and Li Ke continued: "In addition, this king needs to explain to you in advance, that is, the deposit rate of Yanhuang Qianzhuang is not permanently unchanged. This month's event is 1.75, and next month's It may increase to 1.8, 1.9, but it may also decrease to 1.7, which may increase or decrease.

But this king can assure you that even if the deposit interest rate drops, it will not be lower than 1.6, so you don't have to rush to the bank to save money today. When you have time, you can save money again! And maybe there will be more interest at that time, and you will get more money! "

"What? Could deposit rates go up?"

"Honey! Who can help you to calculate, if the interest rate is 1.9, how much interest can you earn for a year of 100 yuan deposit?"

"Master, one hundred taels of money can be saved for one thousand and fifty-two dollars a year! Nearly two taels of money!"

"Haha! Good! That five hundred is ten interest! Let's go! There are so many people today, so let's not rush to save money with everyone!"

"Yes! Don't be in a hurry to save money, I'm going to go to the mountain today to water Bai Diezi!"

"That's right! Save some money when you're free!"

Listening to what Li Ke said, those who were at the back of the queue, whether they were big families or ordinary people, turned around and left one by one, but those at the front of the queue didn't go much, because although the deposit interest rate in the future It can go up, but it can also go down! It's better to deposit your money in the bank today and feel at ease!

Seeing that a large part of the people finally dispersed, Li Ke couldn't help but breathe a sigh of relief. This can't be blamed for the small scale of Yanhuang Bank. It was just that the crowd was too huge and scary. Even if the bank's scale was expanded again

Ten times, it will be unstoppable!

This is like a modern bank. If any bank branch welcomes thousands of depositors who want to save money at the same time, it will be overwhelmed. Moreover, such a sudden surge of customers is not a healthy and long-term business model for the bank. What the bank needs is a stable and long-term source of customers!

"The rest of the people lined up, went in one by one and handed the copper coins to the boy who placed the money inside, and explained whether it was a survival period or a regular period. Remember to take your passbook and put your fingerprint on it~!"

Li Ke looked at

"Master, you are here, I just have something to ask you~!"

In the afternoon, Li Zexuan just came to the workshop, and after a while, Li Tai found Li Zexuan with a mess of drawings.

"Uh Qingque, you haven't slept all night?"

Li Zexuan said in surprise.

Because Li Tai has messy hair and dark circles at this time, which is very inconsistent with Little Fatty's always liked clean character. Obviously, he didn't sleep or didn't sleep well last night!

Li Tai scratched his head, making his messy hair suddenly look more like a chicken coop, "Shan Chang, I couldn't figure out some things last night, so I read a book for a while, and slept a few times. It's been an hour. Chief, please help me solve a few problems, or I'll still not be able to sleep soundly tonight~!"

Done!

Looking at the appearance of the little fat man, he is obviously obsessed! Just like the original Wang Jiyi Mao!

"What's the problem? Say it~!"

In order for the little fat man to sleep well, Li Zexuan brought Li Tai to a conference room and said.

Li Tai put down the blueprint in his hand, looked at Li Zexuan, and said, "Shan Chang, I have figured out the working principle and manufacturing process of the DC motor, battery, and diode, but I heard from Professor Mo yesterday that you mentioned to her earlier. However, there is another electronic device that can amplify current, it seems to be called a triode, which is modified according to the principle of diodes, can you tell me in detail?"

Li Zexuan was slightly surprised: "Qing Que, why do you suddenly want to hear this?"

Li Tai replied: "Shan Chang, I think with the feature that triodes can amplify the current, we can do many, many things, for example, we can use it to increase the transmission power of the telegraph. There are many places where it can be used, and it's important, so I think we should make it as soon as possible~!"

Hearing this, the surprise in Li Zexuan's eyes disappeared for a moment, he tapped the table lightly with his fingers, and after a moment of indulgence, he said solemnly:

"Qing Que, you are right, the triode is indeed very important! It seems that the second killing project of the academy should be launched~!"

"Second killer project?"

Li Tai screamed in surprise, and suddenly said excitedly: "Shan Chief, is this second killer project related to the telegraph?"

Li Zexuan nodded and said, "That's right! But before I go into details, I have to confirm, Qingque, are you willing to participate in the academy's second killer project!"

Li Tai replied without thinking: "Yes! Yes! Of course I do!"

Li Zexuan said with satisfaction: "That's good! Today I will briefly tell you about the second killer project! The main purpose of this project is to improve the existing telegraph so that it can realize ultra-long-distance wireless communication. This Ultra-long distance should mean at least a thousand miles!"

"A thousand miles?"

Li Tai opened his mouth wide in shock and said in awe, "Wouldn't that cover the entire Tang Dynasty?"

Li Zexuan nodded and said, "That's right! Although this sounds a bit exaggerated, from a technical point of view, it is not impossible! With diodes and triodes, on the one hand, we can increase the transmission power of the telegraph, and on the other hand, we can make Geophones are used to enhance the ability of telegraphs to identify useful information in electromagnetic waves. In addition, we can also establish telegraph relay stations in major states and counties to receive and transmit electromagnetic waves. With such a three-pronged approach, it is determined that there will be no communication for thousands of miles. Any difficulty~!"

Although Li Zexuan's remarks have been simplified as much as possible, they still contain a lot of technical terms. Li Tai was only half-knowledgeable, "Mr. Shan, if the improved telegraph can really be as you said. , to achieve thousands of miles of communication, then in the future, our Tang Dynasty is likely to be majestic all over the world!"

Li Zexuan said with a smile:

"It's not very likely, it's for sure! The Tang Dynasty will definitely become stronger and invincible in the world! In fact, this second killer project has another purpose, that is, through the improvement of the telegraph, Yanhuang Academy will help Datang will lay a solid foundation for the electronic industry in the future!

Like the previous electronic diodes, as well as the electronic triodes, resistors, capacitors, inductors, etc. to be built later, we have to find a way to produce some basic electronic components. Only in this way will we be able to make a telegraph machine later. More advanced and more convenient communication tools~! "

Li Tai was fascinated when he heard this. Hearing this, he couldn't help saying excitedly: "Student Li Tai, I would like to help Shanshan grow a hand!"

Although he gave up his desire to compete for the crown, he was still a Tang Dynasty person after all. He hoped that the Tang Dynasty would become stronger, especially after he studied Geography in the academy, after learning that the family was so big and there were so many countries, His desire to make Datang invincible in the world is even stronger!

The pride and national honor of the Tang people are incomprehensible to others.

Li Zexuan smiled and said: "You are talented and smart, and you like to study. Of course, you are indispensable for this second killer project! I just hope you don't cry when you are tired!!"

Li Tai shook his head and said, "Don't worry, Captain, I have survived the military training.

There is no hurdle in the world that Li Tai can't overcome! Please teach me how to make triodes! "

Otherwise, it can be said that military training is the best way to hone a person. After experiencing military training, Fatty is full of courage to overcome all difficulties, because he already feels that nothing in this world is more difficult than military training!

Li Zexuan nodded, he picked up Li Tai's blueprint and began to write and draw: "To say that this triode is based on a diode modification, it is not wrong at all, because compared with the diode, the triode only has one more Grid. The so-called grid is a mesh-shaped or spiral-shaped electrode composed of metal filaments, which controls the electric field strength on the surface of the cathode to change the emission electrons of the cathode or capture the secondary emission electrons. You can make… …”

After half an hour, Li Tai finally understood the working principle and production method of the electronic triode. After digesting it for a while, the little fat man frowned and said:

"Master, after the triode is made, how can I be sure that it can indeed amplify the current? Is it necessary to connect a light bulb at the back and judge the strength of the current according to the brightness of the light bulb?"

This question can be regarded as stopping Li Zexuan.

After a long silence, just when Li Tai was about to lose his patience, Li Zexuan finally spoke up. He looked at Li Tai with some sympathy and said:

"Of course we can't use this method. First, it's inaccurate, and second, it's too troublesome. So, I think it's time to start the third killer project of Yanhuang Academy!"

Hearing this, Li Tai almost got off the chair with a somersault, and after a while, he said in a stunned manner, "The third killer project? Chief, isn't this a bit too fast?"

The second one hasn't even started yet!

Li Zexuan shook his head and said, "It is indeed a bit too fast, but this is also a helpless move. The technology of the academy is developing too fast, and many basic equipment can't keep up, so they can only cooperate with multiple killer projects!"

Li Tai thought about it and felt that what Li Zexuan said made sense. He sighed helplessly and said, "Shan Chief, what is the third killer project?"

Li Zexuan said slowly: "Ammeters, voltmeters, and other basic instruments! The Academy will take this opportunity to set up its own standards committee!"

……………………

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