Ang Lee only took half a day in the afternoon to teach the imperial grandchildren, which was about two to four hours. In the morning, he strolled around the research and development center and casually gave some guidance. There was nothing to do.
At this moment, the sun had not yet set, but Ang Lee had already gone home from work. He rested for a while and had dinner, and the day had passed.
However, a boring life was really too boring. The life of struggle was more meaningful. Therefore, Ang Lee would not be too idle. He would use the time to sleep at night to think about the next research and development plan. He would continue to imagine and modify until he was completely satisfied.
The research and development of the dry battery was not difficult. After Ang Lee gave the drawings and data, the people under his command quickly manufactured the various parts and assembled them together to make a simple dry battery model.
"It's only five or six days, and it's done so well. It's not easy! Come, give it a try! "
Ang Lee was very satisfied with the manufactured battery model, and then took out the circuit model in the drawer. In fact, it was a few pieces of wires and switches, as well as a small light bulb and lamp holder. It was a few very common items in the laboratory of the future.
The length of the power supply base was fixed, but the negative electrode was a small spring with a certain flexibility. Therefore, even if there was some deviation in the length of the battery, it did not matter much. It could completely ensure the normal use of the battery.
Ang Lee first put the negative electrode of the battery on the side of the spring of the power supply base, and then he clamped the battery into the battery holder with force. Only a crisp click was heard, and the battery was completely clamped in place.
All the research and development talents responsible for making the battery prototype looked at everything in front of them very curiously. They found it hard to believe that putting these strange things together could actually release light.
"It's done. It's time to witness a miracle."
Ang Lee gently closed the switch, and suddenly, a miracle really happened. The small light bulb lit up. At first, it was still flashing, but after a while, it stopped flashing and stayed lit.
"It lit up. Ai, it really lit up. The battery is a success. It's a success."
"Assistant Minister Li is really a god. With just these things, he can make something that can generate electricity. It's amazing."
"Assistant Minister Li, can this keep the light bulb on? How long can it last?! "
After everyone saw the small light bulb lit up, they were very excited and asked all at once.
Ang Lee actually did not know how long such a battery could keep the small light bulb on, but this could be verified with experiments, so he smiled and said, "The power of this battery is very limited. As for how long it can keep the small light bulb on, I'm not very sure. This needs experiments to verify it... Well, let this small light bulb keep it on! Let's see how long it can keep it lit! "
Since he did not know the power of the battery, he could only verify it through experiments. At least, he had to figure out how long such a battery could be used. If the time it could be used was too short, then it would not have much use value. After all, the time it could be used was a very important indicator. The longer it could be used, the better the performance of the battery. If it could only be used for a short time, then the real value of the battery would be greatly reduced.
For example, after five minutes, the battery would run out of power. Then, he would have to keep changing the battery. Even if he was not tired, he would be annoyed to death. If he could use it continuously, then it would be great.
The role of the battery was very important. The simplest role was to provide a reliable consumable for the production of a flashlight. If the flashlight did not have a battery, then it was no different from a waste.
When walking at night, there was nothing more practical than a flashlight. With a flashlight, one could see the dark road clearly. It was much better than walking with a torch. It was safer and pollution-free.
Since the dry battery was made, making a flashlight was a piece of cake. It could be made in minutes. Mass production was not a problem.
Compared with the production of the battery, the production of the flashlight casing was much easier. It could be easily finalized and produced.
After the success of the battery experiment, Ang Lee was happy. He made a detailed plan for the production line of the battery and asked everyone to be responsible for the production of the dry battery as soon as possible.
In order to increase the production and reduce the cost as much as possible, Ang Lee wanted to produce the same model of the dry battery. The material and size were exactly the same. There was no difference. If there were a lot of models, it would be a lot of trouble. Just the machines alone would require many types. It was too troublesome.
After the task of mass production of the battery was assigned, Ang Lee immediately wrote a report and reported it to the court. After all, any scientific research project must be supported by the court.
As long as Ang Lee said that this was very important, the small officials of the court naturally did not dare to stop him. They had to seriously complete Ang Lee's instructions and do things properly.
Ang Lee's most urgent things were the two high-tech telegrams and telephones. This was designated by the court as the Ten Thousand Miles Sound Transmission Plan, and the battery was a part of the Ten Thousand Miles Sound Transmission Plan. Therefore, as long as the officials of the court saw Ang Lee writing the Ten Thousand Miles Sound Transmission Plan under something, they would attach great importance to it and would not dare to have the slightest objection.
Of course, such an important plan naturally could not be hidden. Since Ang Lee told this plan to Li Longji and got his strong support, this plan had been filed with the court.
Naturally, the officials of the court could not help but tell their trusted acquaintances. In this way, the news gradually spread and finally made it known to all the people in the capital.
Since the matter had been leaked, there was no need to keep it a secret. After getting the approval of the court, the Tang Dynasty Daily deliberately went to interview Ang Lee and asked about the details of the Ten Thousand Miles Sound Transmission Plan. However, how could Ang Lee tell the most important thing to others? He only told the people of the Tang Dynasty Daily that after the Ten Thousand Miles Sound Transmission Plan was completed, a person could directly talk to people thousands of miles away.
This news was absolutely explosive. After it was published in the authoritative Tang Dynasty Daily, it quickly became the topic of conversation in the streets and alleys.
Many people inevitably talked about the Tang Dynasty's Ten Thousand Miles Sound Transmission Plan when they met each other. Ordinary people could only talk about it casually, but many nobles and officials were thinking about the great convenience this plan would bring to the court after it was completed.
Many people even began to plan to get a set of such equipment for themselves. In this way, they would not have to go through the trouble of sending pigeons to contact people far away in the future. They could just talk directly. It was simply too convenient.
The only thing ordinary people could do was to look forward to it. They hoped that Ang Lee could complete this plan as soon as possible. Many powerful people took various measures to inquire about the latest news, hoping to know the details of this plan and its progress.
However, Ang Lee was in the process of researching, so he would not tell the truth to anyone who tried to inquire about the progress. He would never tell the truth to cater to them. His subordinates also would not leak the secret. They just completed the tasks given by Ang Lee mechanically. As for what the final product of the Ten Thousand Miles Sound Transmission Plan was, they had no idea at all. Therefore, many people who tried to inquire about it from Ang Lee's subordinates were all disappointed.
In other words, except for Ang Lee, no one in the entire Tang Dynasty knew what the final product of the Ten Thousand Miles Sound Transmission Plan was going to be, what it looked like, how big it was, and how it could achieve the Ten Thousand Miles Sound Transmission Plan.
People were so strange. The more they did not understand something, the more they wanted to understand it. This was called curiosity.
People were all curious animals. They always wanted to understand things they did not understand. The more they did not understand, the more it would arouse people's curiosity.
Of course, there were also many people who thought that Ang Lee might be bragging. The two people were a hundred steps away from each other, and they could not hear each other clearly. How could it be like a face-to-face conversation when they were thousands of miles away? This was a bit too ridiculous, so they could not believe it.
The people who supported Ang Lee also gave a very reasonable explanation. That was, the things that Ang Lee had made before, such as glass, trains, and artillery, were all amazing things. Why was the Ten Thousand Miles Sound Transmission fake? Since Ang Lee could make railways, which made it hundreds of times more convenient for ordinary people to travel, then why couldn't he make the Ten Thousand Miles Sound Transmission technology?
In short, a huge war of words broke out between the supporters and the opponents. Those with high status would choose to express their views in the Tang Dynasty newspaper and refute the views of the other party. As for the ordinary people, they could only argue face to face with each other until their faces turned red.
However, this was a good opportunity for gamblers. Many people did not hesitate to bet a lot of their property in order to prove that they were right. If they guessed wrong in the end, they would lose a lot.
Of course, since it was a bet, there was naturally a time limit. If there was no time limit, what could they do even if the invention was successful fifty years later? At that time, the people who bet would have already become a pile of yellow soil.
These gamblers bet for different times. Some bet for a year, while others bet for half a year or two years. There were all kinds of times.
If Ang Lee knew that these gamblers were actually doing this, he would vomit blood in anger.
After the battery was developed, the mass production assembly line was still under construction. However, a small batch of laboratory batteries had been manufactured. There were about a dozen of them! It was enough for Ang Lee to use for experiments.
After the battery was developed, except for a part to test the battery's power, Ang Lee planned to use the rest of the battery to make the flashlight later.
Because the manufacturing difficulty of the flashlight was too simple, after the battery was developed, the flashlight was also made.
However, in order to save materials as much as possible, the flashlight that Ang Lee first made was transformed from a bamboo tube. Only a small glass plate and a reflective metal plate were added at the front. It was very cost-saving.
There was no screw structure at the tail. It was directly pressed with another bamboo tube. Of course, the contact between the metal plate at the tail and the main body had to be considered. Otherwise, the circuit wouldn't work.
The cost of such a flashlight was very low. Ordinary people could make it themselves. If they wanted to further reduce the cost, they could also omit the glass plate at the front. This way, it would be even cheaper. After all, at this time, the glass was monopolized by Ang Lee. The price was really not cheap.
Of course, this kind of garbage configuration belonged to the civilian level. If it was used for the imperial court soldiers' patrol and the aristocratic family's night use, then it couldn't be fooled like this. It must be a high-quality product.
A good flashlight's material must be strong. For example, it could be made of copper. It was even possible to use gold and silver materials. For example, the flashlight used by the emperor certainly couldn't be made of steel. It was not impossible to use a gold material, but it had to be carved with a real dragon.
Ordinary aristocratic families could also afford to use a silver flashlight. Some patterns could also be carved on it. Some copper flashlights could also be made.
Because the battery had not been mass-produced yet, the demand for ordinary flashlights was not so high. Therefore, Ang Lee was not in a hurry to set up an assembly line. He just asked the craftsmen to make some particularly precious flashlights. He was going to give them to the most distinguished group of people in the Tang Empire as a gift. At the same time, he wanted them to feel whether such a magical weapon was suitable for large-scale popularization. As long as the emperor and the aristocrats felt that the flashlight was a good thing and should be mass-produced, then it would be very easy to set up an assembly line. The imperial court would unanimously agree.
This was also a small trick of Ang Lee's! He used this method to find a suitable reason for mass-producing flashlights. After all, the manpower and material resources of the Tang Empire were limited. If it was not necessary, the imperial court would not agree to mass-produce an item. Otherwise, if anything was mass-produced, the labor force of the Tang Empire would not be enough, and the country's resources would not be able to bear it. As long as the high-ranking aristocrats recognized this invention and thought that it was worthy of large-scale popularization, then there would be no problem.
The high-end flashlights were still being manufactured. At this moment, Ang Lee only had a very ordinary flashlight made of bamboo in his hands. It was almost time to teach the imperial grandchildren. Ang Lee was going to talk about the reflection of light in the next class. These flashlights could be put to good use. There was no need to use cumbersome spotlights anymore, let alone the trouble of connecting electric currents.
Because the reflection research did not require the color of the light, there was no need to improve the flashlights. He only needed to bring one and a mirror.
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