No Regrets In Flourishing Tang

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The solar stove is a device that uses solar radiation to obtain heat through concentrating light and cook food. It does not burn any fuel; there is no pollution; as long as it is sunny, it is faster than the Hexagonal Household Coal Briquette stove in normal use; it is basically the same as the gas stove speed of later generations.

The reason why the solar stove can collect light is to use the reflection principle of the concave mirror to emit a large area of ​​sunlight to a point. Thus, the temperature of this point will be up to 100 degrees, which is used for boiling water and cooking. No stress.

There are many kinds of materials for making solar cookers, such as glass and steel, but considering the durability and safety, Li An finally chose steel materials. In this way, the solar cooker can be used theoretically for several decades , As long as it is not artificially damaged and well maintained, it can be used forever.

Li Yu and Li Qiu have never seen a solar cooker. Of course, they do n’t understand the principle and the purpose, so they have to ask Li An with an open mind.

“This solar stove is used to boil water and cook. As long as there is sunlight, you can boil water and cook. You do not need to use firewood. It is very convenient and fast. The only drawback is that you must have sunlight to use it.”

Li An briefly introduced it and asked the craftsman to bring a small pot of cold water and place it on the stovetop.

“Prince of Guangping, Fourth Son, put your hands in the pot and try the temperature.”

Li An asked with a smile.

“Cool water, it’s cold water.”

Li Yu and Li Qiu tried it separately, which proved to be cold water.

Li An looked up towards the sun that has sunk, and said softly: “Now the sun has sunk a little, the light is not too strong, the function of the solar stove is not well reflected, but the water in this pot is still hot, and there is no pressure. Yes, wait a moment, you will try to understand the temperature. “

“This thing can really heat the cold water?”

Li Yu and Li Qiu are still a little bit doubtful, walking around the solar stove, and frowning to analyze the principle of the solar stove.

“Minister Li, this solar cooker and magnifying glass burned the ants. It seemed that they focused the sunlight on a single point, but it seemed a little different.

Li Qiu carefully observed for a long time, and came to a conclusion that he had a half-knowledge.

“Well, Fourth Son observes very carefully. Both of them do use the same principle. However, the magnifying glass uses the principle of a convex lens, and the solar stove is a concave mirror. Although they are all focused, the principle is slightly different. , As long as the use is good, it can benefit the whole world. “

Li An said with satisfaction that Li Qiu was able to learn to think independently, which made him very happy.

“Minister Li, the pan is hot.”

Li Yu was excited.

“Well, the cold water has been heated up. Do you dare to put your hands in?”

Li An said with a smile.

“Wow, it’s so hot.”

How could Li Yu and Li Qiu be afraid of the hot water, reached out and tried it, and immediately retracted their hands.

“Minister Li, it seems that this solar stove can really be used for cooking and boiling water! So there is no need to consume firewood and charcoal, which is really a good thing, a good thing for the benefit of the 100 people in the world.”

Li Yu praised her and seemed very excited. Li Qiu also responded.

“Good stuff, it’s natural to dedicate it to Your Majesty, or else, at noon tomorrow, you will accompany me to the palace and dedicate 3 things I recently invented to Your Majesty.”

Li An suggested.

“Of course there is no problem, but what is the same except for the magnifying glass and the solar stove?”

Li Yu asked curiously about Li An’s offering of the telescope to Imperial Court. He already understood, so the telescope must not be counted. So, there must be another strange thing to be dedicated to Emperor.

Li An laughed, explained: “This kind of thing is still in the debugging stage for the time being. It will definitely be invented before noon tomorrow. When the time comes, you and Your Majesty will witness it together.”

“Minister Li, can you reveal a little information first?”

Li Yu asked curiously.

“Well, it ’s okay to tell you, this is a mirror that can magnify an object 1000 times. A piece of hair looks thicker than the finger. Is it very difficult to deal with.”

Li An smiled proudly and briefly introduced a sentence.

“Hair hair looks thicker than fingers? So powerful?”

Li Yu and Li Qiu looked at each other and found it very interesting, and I very much hope that they can see this mirror that can magnify the object 1000 times soon.

“It’s getting late, you go back to the city! Before noon tomorrow, wait for me in front of the gate of Daming Palace.”

Li An asked.

“Okay, Minister Li, then we will see you at noon tomorrow.”

Li Yu and Li Qiu answered complied and returned to Chang’an City together.

“Master, won’t you go back tonight?”

“Of course I have to go back, but, I don’t want to go with them, I’m afraid they will bother me.”

Li An explained the sentence and looked towards Wang 8 ordered: “Immediately package the solar cooker, magnifying glass, and Microscope, and prepare to ship it back to the mansion.”

Obviously, Microscope has been made, but Li An doesn’t want Li Yu and Li Qiu to see it at this moment. After all, it’s getting late. If they are addicted to playing, they will definitely delay a lot of time.

Both the magnifying glass and the Microscope are very small, which is very convenient for packaging, but the solar cooker is relatively large. It needs to be disassembled and then the parts are shipped back. After a moment, Li An decided to vacate a transport vehicle alone and transport the huge solar stove directly back.

At night, the solar cooker cannot be used, but as long as there is light, Microscope can be used normally. Before Li An took the Microscope out, he made a bet with Yan Ruyu, who would have thicker hair.

“Husband, you are so strange tonight, why is it better than the thickness of the hair, the hair is so small, how can it be compared.”

Yan Ruyu gave Li An a blank look.

“Because the husband is so smart, there is naturally a way to separate the thickness, and Wife will be convinced by mouth.”

Li An domineering statement.

“Well, if Husband can prove that his hair is thicker than Ruyu, Ruyu will let Husband handle it tonight.”

Yan Ruyu smiled coyly and got along so long, her relationship with Li An was already very good, and she knew Li An’s preferences and what she said would make Li An happy.

“Haha! That’s what you said!”

Li An grinned and took out the new Research & Development Microscope from behind and placed it in front of Yan Ruyu.

“Dang Dang, and this one.”

While taking out Microscope, Li An took out a magnifying glass with 20 times magnification.

“Wife, look, this is a magnifying glass. This big man is Microscope. They are all Divine Item developed for husband. Come and teach you how to use it.”

Li An straightens the hair of 2 people as close as possible. Then, observe with a magnifying glass first, then observe with Microscope after observing it.

When looking through a magnifying glass, I can already see that Li An ’s hair is thicker, but not obvious enough. Under Microscope, Li An ’s hair is obviously much thicker than Yan Ruyu ’s, and it looks very clear This made Yan Ruyu want to deny it.

“How about, lose it! Let the husband handle it tonight? Don’t let it go!”

Li An smiled badly, taking pleasure in other people’s misfortune looked towards Yan Ruyu.

“Ruyu is just a weak woman, and all her future life depends on Husband. Whichever time she did not follow Husband’s intentions, how dare she go against it.”

Yan Ruyu had a pitiful expression, as if Li An bullied her every day.

However, Li An really seems to bully her every day, there is no way, who makes Yan Ruyu his wife? Not bullying her, who is bullying,

And Yan Ruyu’s pitiful expression made Li An’s thoughts of bullying her more. The more pitiful his wife was, the more she wanted to bully. Is this enough?

Before going to sleep, it goes without saying that Li An has bullied Yan Ruyu well. Of course, it is gentle bullying, which is a more accepted way of bullying in Yan Ruyu’s heart.

On the morning of the second day, Li An got up late. After all, the railway and the Research & Development Center are on track, and he does not need him to visit every day. Moreover, he was tired all night and he had to take a good rest. .

Before noon, Li An got up lazily, and after lunch, took Sixth Zhao and a group of male servants, surrounded by guards, and ran towards Daming Palace.

“Minister Li, we have been waiting for a long time.”

Li Yu and Li Qiu walked around the back of the horse and threw away the last piece of cucumber left.

However, they hide to eat cucumbers, not to prevent Li An from discovering, but to hide some of the Imperial Censor in the Imperial Court. Those guys seem to naturally like to offend the person, whether you are Whatever their identity, as long as they do something wrong, they can impeach Imperor and eat in public places, of course, within the scope of impeachment.

“What did you just eat? It was cucumber in my greenhouse, didn’t it?”

Although Li Yu and Li Qiu’s movements are very quick, Li An can see at a glance that they just threw away the last piece of cucumber.

“Yeah! The whole Great Tang, except for the greenhouse of Minister Li, there is no cucumber anywhere else!”

Li Yu frowns saying, such a simple question, do you need to say it?

“Have you gone outside the city again?”

“No, I asked the guards to pick up some, and there are 5 left. Does Minister Li want to eat? However, there are often Imperial Censors passing by here. You have to hide and eat secretly.”

Li Yu is very experienced.

“You are addicted to eating. Fortunately, I planted dozens of acres of cucumber, otherwise, it is really not enough for you to eat.”

Li An made a joke, reached out and beckoned, and led everyone into the Daming Palace. Emperor had a purpose. As long as Li An wanted to send something in, he could let it go after a little inspection, without waiting for the purpose of the release.

Today there is only the Chang Dynasty, so several prime ministers who have sealed the official affairs under the Zhongshu door discuss the state with Li Longji in the Zichen Hall. It is said that the DPRK will not be at this time in normal times, but Li Longji has already There has been no upswing for 3 consecutive days. There is more backlog of things. Of course, it takes more time to deal with it. Moreover, Li Longji gets up late and the early dynasty is delayed by more than half an hour than usual.

After finishing all the backlog of government affairs for 3 days, Li Longji was greatly relaxed, although he was more tired than usual, but he had rested for many days in a row. This feeling was quite refreshing.

“Everyone, Minister Li has brought some newly developed things into the palace and will soon be able to arrive at the Zichen Hall. The Prince of Guangping and the Prince of Qing 4 Prince also followed.”

Gao Lishi listened to the report of the hurried city gate guard and walked to Li Longji to inform Li Longji of the situation.

“Oh, Minister Li has developed something new?”

Li Longji was surprised first, and then said happily: “You Minister do not need to rush back to the office for the time being, Minister Li has sent new things, you accompany me to see, this Minister Li, every time you send things, I was shocked by 10000 points. At this time, I do n’t know what is good. “

The prime ministers were of course very curious, and turned to look towards the direction of the great hall.

“Everyone, Minister Li is here.”

“Xuan.”

“Xuan Minister Li enters the hall.”

Li An entered the great hall with Li Yu and Li Qiu, and brought in a magnifying glass and Microscope, and the solar stove was left outside.

“This Small Official Li An see Your Majesty.”

“Grandson Li Yu, Li Qiu see Your Majesty.”

3 people are saluted together.

“Hahaha! Flat body, Minister Li, what good use do you bring to me today?”

Although Li Longji is old, he is also very curious. After all, Li An’s invention can bring great shock to him every time. Of course, it can also bring great benefits to the Great Tang Empire.

“Your Majesty, This Small Official brings 3 things today, namely magnifying glass, Microscope and solar cooker.”

Li An opened the introduction, and specifically talked about the functions and characteristics of the three items.

Of course, it is not persuasive to say whether to show or not. Li An puts the already prepared hair on the case, and lets Li Longji observe the magnifying effect of the magnifying glass and the magic of Microscope.

“Minister Li, what are the specific uses of these two distinct things?”

Li Longji is more concerned about the role of Li An inventing such things.

“Your Majesty, magnifying glass and Microscope can be used for authenticity identification of jewelry, antiques and calligraphy. In addition, medical recipe recipes can also be used. Also, with this mirror, you can see a lot of things that were previously invisible Things, so that people can better understand this World, of course, maybe it will be more useful in the future. “

Li An explained carefully.

“Oh, what a great thing!”

Li Longji took the magnifying glass and pointed it at his dragon robe, carefully observed it.

Several prime ministers such as Li Linfu also picked up the magnifying glass and Microscope, observed the microscopic World, and were amazed by Li An ’s invention.

“Minister Li, where is the solar cooker?”

After appreciating the magnifying glass and Microscope, Li Longji suddenly remembered that there was another solar stove that he did not see.

“Your Majesty, the solar cooker is relatively large, and it must work under strong sunlight. It can only be placed outside. This Small Official urges Your Majesty to move outside the hall.”

Li An asked.

“Ministers, let’s take a look together to see this good thing that can cook without firewood and charcoal.”