This exquisite glass ball was Ang Lee's return gift to Yang Yurou. It was a very unique small gift. In the past, he had given many people such gifts. However, after more than a year of practice, the craftsman's skills had improved a lot. Therefore, the glass ball this time, whether in terms of purity or workmanship, was incomparable to the previous one.
Most importantly, this was a custom-made gift, not an assembly line product. It was absolutely impossible to buy such a good thing on the streets. The inlaid patterns and words were almost all precious jade materials.
According to different nobles, the patterns and words inside were different. This was the most special and also the most touching.
After Yang Yuhuan finished reading this poem that almost everyone knew, she couldn't help but laugh and handed the glass ball to her sister.
"This must be Ang Lee's gift to you! A fair and graceful woman is a gentleman's mate. What does he want to do, to marry you as a concubine? Hahaha! "
It was rare for Yang Yuhuan to be so happy. Her laughter made her body tremble. There was a rich and charming aura.
"Younger sister also makes fun of me. As long as he dares to give the betrothal gift, I dare to marry. Isn't it just being a concubine? As long as the main wife is gone, the concubine is the most important. Younger sister, don't you think so?"
Yang Yurou said very boldly. She was not shy at all. She even had the intention to ridicule her younger sister. At this moment, Yang Yuhuan was the Emperor's concubine. However, at this time, the Emperor did not have an Empress. The Imperial Concubine was the Emperor's most important wife.
Because the relationship between the two sisters was good, and Yang Yuhuan's personality was relatively weak, as the older sister, Yang Yurou dared to say anything. She was not worried that her younger sister would be angry. Even if her younger sister was angry, she could settle it with a few words.
"I'm scared of you. I won't talk nonsense with elder sister."
Yang Yuhuan smiled and looked at the palace maid beside her. She said, "Go, bring this consort's glass ball and let my elder sister see."
"Does younger sister also have the same glass ball?"
Yang Yurou asked curiously.
Yang Yuhuan smiled and said, "It's not the same glass ball, it's the same size."
"Then I'll have to take a good look and see what kind of poem this kid has written."
Soon, a similar red sandalwood box was brought over and placed on the table next to him.
Yang Yurou gently opened the lid of the wooden box and saw the glass ball inside. She carefully picked it up and looked at it.
"A pink peony with two little butterflies on it. The leaves are made of emerald jade, the branches are made of black jade, and the poems are carved out of topaz. Looking back and smiling, the beauties of the Six Palaces are colorless. Haha! Here's another saying, 'Think of your clothes in the clouds, think of your face in the flowers, the spring breeze brushing against the railings, the dew is magnificent.' "
Yang Yu Rou's expression was obviously very excited. Pausing for a moment, she said, "Little sister, this little brat is quite a playboy, saying such good things about you. Although elder sister doesn't understand much poetry, but I can still understand these few lines. Looking back with a smile, all the beauties of the six palaces pale in comparison. Could it be that this little brat's lust is so great that he has taken a fancy to little sister, hee hee hee hee!"
After saying that, she laughed loudly.
Yang Yuhuan also laughed, laughing beautifully. As a woman, being able to get a man's approval for her appearance was undoubtedly a very proud thing. Yang Yuhuan was naturally not an exception.
It was only because her status was too high that in this world, except for the Emperor who was already over fifty years old, there was no man who dared to openly praise her beauty to avoid bringing trouble to themselves. It was under this kind of situation that Ang Lee's praise made her feel very proud and satisfied.
"Elder sister is talking nonsense again. However, this little brat really has a guilty conscience. The servant he sent secretly told me to keep it well and not let His Majesty see it. Do you think he has a guilty conscience?"
There was no need to mention how proud Yang Yuhuan was when she said that.
For a man, if his wife was coveted by others, he would be very angry. For a woman, being coveted by others for her beauty was something to be proud of. It was enough to show that her beauty was rare in the world.
"Oh, there's actually such a thing, hahaha! Does younger sister really intend to deceive His Majesty? "
Yang Yurou asked with a smile.
Yang Yuhuan nodded and said, "It's just a small gift. It doesn't matter if His Majesty doesn't know about it. If he wants to hide it, then so be it! Elder sister, don't talk nonsense. "
"Okay, okay, okay. I won't talk about it. Today, I came here to show younger sister a novel object. I didn't expect younger sister's glass ball to be more exquisite than ours. This little brat knows what's important and gives younger sister the best."
Yang Yurou's words were somewhat sour.
Yang Yuhuan said with a smile, "Elder sister is wrong. Of course, the best is for His Majesty. In His Majesty's bedroom, there's an even bigger glass ball. There's an exquisite golden dragon in it. It's made of gold. The words inside are all woven with gold thread. There are hundreds of words. Younger sister just took a look at it and thought it was very exquisite. It's better than both of ours combined. "
Yang Yurou frowned and said softly, "This little brat is good at these strange tricks. If you have nothing to do, you should go to his workshop more often to see if there's anything good."
"Okay, elder sister, you should go more often. It's not convenient for me to go out of the palace often. If you find something good, don't forget to bring younger sister a share."
Yang Yuhuan said.
Yang Yurou said sourly, "Of course, but this little brat is very sensible. He will definitely take the initiative to send it over. Moreover, it will definitely be better than what he gave me. Humph, humph, humph … Looking back with a charming smile … haha!"
"Hahaha!"
In the R&D Center, Ang Lee saw many craftsmen and subordinates whom he hadn't seen for more than a year. These people were the pillars of the Tang dynasty and Ang Lee's good assistants.
They were very obedient. In more than a year, they completed the important tasks given to them by Ang Lee with quality and quantity. As a result, Ang Lee's following research and development work became much easier.
"Assistant Minister Li, these are the things we developed according to your requirements. Please see if there's anything that needs to be improved."
One of the subordinates pointed at the room full of strange things and said.
Ang Lee picked up a tuning fork at random and nodded with satisfaction. "Very good, very good. You've all worked hard. However, this is just the beginning. We have more things to do next. Everyone has to cheer up to meet greater challenges."
"Assistant Minister Li, don't worry. We will do our best. We won't let Assistant Minister Li down."
Everyone said.
Ang Lee nodded with satisfaction and said, "Very good. Next, let me arrange the research and development tasks! The few of you, and the few of you, are responsible for the research and development of this project. The few of you, make the objects on this blueprint. Wood will do. And the few of you, try to understand this thing. If you can't understand it, ask me. Also, you have a task … "
Ang Lee drew many detailed research and development tasks and handed them to the craftsmen. He asked them to carefully complete the tasks according to his requirements. As long as these subordinates completed the tasks, there wouldn't be much of a problem to make the finished products.
Ang Lee had a lot of things to develop. Not only did he have to promise the Emperor the telegraph and telephone, but he also had to make guns and many other useful things.
Because the invention of any project was very difficult and required a lot of time, Ang Lee started all the research projects at the same time to maximize efficiency.
With the gradual improvement of the machine tools and the maturity of the electric power technology, as well as the gradual improvement of the steelmaking level, all the technical conditions for making rifles were fully met. In other words, as long as he spent some time on research, it would be easy to make a rifle. And with the development of glass technology, it didn't seem difficult to make a scope. Thus, it seemed that it would be easy to make a divine weapon like a sniper rifle.
Moreover, various kinds of steel were still being researched. In the future, the quality of steel would get better and better, and the guns that could be made would naturally become more and more advanced. The barrels of cannons would also become thinner and thinner. This was extremely important to improve the combat effectiveness of the army.
The invention of the telegraph required the most basic technologies, such as batteries, copper wires, and electromagnetic sensors. These were the necessary technologies for the invention of the telegraph, and these were not difficult for Li An. The copper wires could be produced long ago, and the research and development of electromagnetic sensors was not difficult. As for the research and development of batteries, it was not difficult either. It was just that if it was mass produced, the cost would have to be considered. After all, the simplest dry battery was a disposable item, and it would be discarded after it was used up.
At this time, the processing of high-quality gun barrels, firing pins, the research and development of electromagnetic sensors, and the production of dry batteries were the problems that Ang Lee needed to solve the most. These details were left to his subordinates to complete.
Among these research and development projects, the one that Ang Lee needed the most urgently was batteries. As long as this thing was created, it could immediately be made into derivative products such as flashlights.
At the moment when electricity had been invented, the importance of batteries was still not to be underestimated. After all, batteries were extremely portable, and ordinary electricity could not be compared to them.
In places where there were street lights, electricity could be used to directly illuminate the place. However, in the countryside where there were no street lights, batteries were undoubtedly the best choice.
From the popularity of flashlights in the future, the cost of batteries should be very low, and it had to be very low. If the cost of batteries was too high, ordinary people would not be able to afford them.
The main purpose of Ang Lee's invention of batteries this time was to invent the telegraph. The flashlight was just a derivative, and it was a very practical derivative.
In Ang Lee's impression, the most common battery in the future was a dry battery, also known as a zinc-manganese battery. The advantage of this battery was that it was very reliable, and the cost was relatively low. It was a kind of battery that was popular on a large scale. The disadvantage was that it was disposable, and there was no way to charge it.
The raw materials needed to make this kind of dry battery were not many. There were carbon rods, a mixture of graphite and manganese dioxide, fiber mesh, ammonium chloride solution, starch, metal zinc skin, and several other materials.
The production of carbon rods was not a problem, graphite was not a problem, and starch was not a problem. The production of metal zinc was not high, but it could be produced, so there was no problem.
The manganese ore and the technology of extracting manganese dioxide were not difficult for Ang Lee. As for the ammonium chloride solution, it was a by-product of Hou's alkali production method.
The so-called Hou's alkali production method was to use sodium chloride solution to add carbon dioxide and ammonia to produce soda ash and ammonium chloride. That was to say, the by-product of this alkali production method was ammonium chloride solution. The cost was simply too low.
In other words, all the raw materials needed to manufacture the zinc-manganese batteries could be easily obtained and successfully developed. What Li An and his subordinates had to do was to manufacture the zinc-manganese batteries as soon as possible. Then, they would optimize the design of the various components to the maximum extent to save costs and make the batteries cheap enough to be manufactured.
Ang Lee was naturally very clear about the model of the dry battery. Ang Lee had seen every part inside countless times. Although the dry batteries in the future would be prohibited from being disassembled privately to avoid danger, this was not a problem for Ang Lee at all. As long as he wanted to disassemble it, he could disassemble it boldly. He did not care whether it was dangerous or not. Moreover, Ang Lee had disassembled so many dry batteries, and he had never encountered any danger. The carbon rods inside were collected in a drawer, so no one knew the detailed structure of the dry battery better than Ang Lee.
This time, Ang Lee wanted to develop the dry battery according to the memory of his previous life. He wanted to make the exact same dry battery.
"Assistant Minister Li, what is this?"
A subordinate walked past Ang Lee and asked when he saw what Ang Lee was fiddling with.
Ang Lee smiled and said, "It's nothing. This is an experimental circuit that I designed. It still lacks a battery. As long as the battery is placed in the circuit, this small light bulb will light up. This is a switch that controls whether the circuit is on or off."
Although he had not made the dry battery yet, Ang Lee still made the circuit of the small light bulb one step ahead of time. This circuit diagram was the most basic circuit diagram in the future. It was so common that every junior high school physics laboratory had it.
"Assistant Minister Li, can this small lump really produce electricity?"
The subordinate looked at the dry battery diagram on the table and asked doubtfully.
In fact, he was curious about how Ang Lee knew that when these strange things were put together, electricity could be produced. Why didn't he know? Where on earth did Li An learn these things? It was really too inconceivable.
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