No Regrets In Flourishing Tang

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Li An needs to go to Emperor’s Grandson every 5-6 days. The last class talked about the refraction of light, but this time the class mainly talked about the reflection of light, the content is more than the last class Simpler, of course, will be more interesting.

At this time in class, Li An still prepared a lot of experimental equipment, and at the same time, two Assistants should also follow. There are still opportunities for them to help.

However, when Li An walked to Hundred Descendants Courtyard, the very quiet in Li An Hundred Descendants Courtyard, there was no sound of a child’s reading. It is estimated according to time. At this time, it should be the time for children to learn. These Old Did Guy give Emperor’s Grandson a holiday?

“Minister Li, Your Majesty has just decided that the place where Emperor’s Grandson will listen to your lecture will be in Daming Palace, not in Hundred Descendants Courtyard.”

Just when Li An was puzzled, a little Court Eunuch hurried over. He just went to the Research & Development Center to find Li An. Unfortunately, Li An was not there, so he hurried back.

Li An hearing this, slightly surprised, paused, and asked, “Emperor’s Grandson have all gone to the palace?”

“Yes, Minister Li, Your Majesty personally sent someone to pick up, just wait for Minister Li.”

Court Eunuch responded respectfully.

Li An nodded, get on the bus and go to Daming Palace.

With the advancement of technology, the senior officials of Great Tang are no longer riding horses and sedan cars, but traveling by car. Li An is no exception. In addition, because the number of Emperor’s Grandson is relatively large, so what they do is For larger cars, 30-50 people per car is not a problem.

Last time I had a good class at Hundred Descendants Courtyard, how did I move the class to Daming Palace at this time? Li An thought for a while, and felt that it was Emperor who wanted to attend the class, but as a Monarch of the entire Country, listening to Li An lectures, and treating himself as a student of Li An, this is obviously inappropriate, and there are some difficulties in the face, but secretly It is completely different to listen to Li An lectures. It can be understood as supervising the study of Emperor’s Grandsons. Seeing whether Emperor’s Grandsons are serious in class, they can completely hold their face.

The classroom is located near the Hanliang Temple near Penglai Pond, where the scenery is better and the view is wider, and it is also not far from the Zichen Hall where Emperor often comes and goes. So, if Emperor wants to come over, it will be very convenient.

If you want to see the surrounding beauty in Hanliangdian, after all you have to go to 2-Layer, but Emperor’s Grandson is here to learn, and Li An is also to teach, so they ca n’t just run to the second floor, just Able to stay obediently and honestly on the first floor.

However, even through the windows on the first floor, you can see a lot of beautiful scenery, but the scope of the scenery is a little less that’s all.

The content of the last class made Emperor’s Grandson very satisfied. Therefore, when the class was at this time, Emperor’s Grandson seemed very active. When they saw Li An from afar, they stood up and greeted them enthusiastically, making Li An feel good. excitement.

When entering the great hall, Li An saw that in addition to dozens of Emperor’s Grandson, there are 2 gentlemen in town, which is 8% less than the 40 old guys last time, 3% apart, apart from this There is no one else.

However, there are compartments on the side of great hall 2, separated by a thin wooden screen in the middle. Whether there is anyone behind the screen, Li An is unknown.

After the class, Li An must first prepare the various instruments of the experiment, which can be completed by two Assistants.

“Student, the last lesson was about the refraction of light. In this lesson, let’s talk about the reflection of light. Do you understand the last lesson?”

Li An said.

Emperor’s Grandson’s answers all kinds of strange things, some understood, some did not understand, some raised questions, and even asked Li An to say it again, and even wanted to see the rainbow.

Li An explained it a little bit, and simply reiterated the refraction of light, and then went to the topic to begin to explain the content of this lesson, that is, the reflection of light.

Before the lecture, the first thing to do is of course to do experiments. Only through more intuitive experiments can children get a better understanding of what light reflection is all about.

Li An first prepared a mirror, and then also prepared a flashlight, which is the gadget just invented, and the experiment began.

An Assistant holds a flat mirror in both hands, another Assistant holds a white panel, and Li An holds a flashlight and shines on the mirror. Then, gently move the angle of incidence of the flashlight, you can find it reflected on the whiteboard The position of the spot on the spot will change constantly.

Afterwards, Li An changed the angle again, put the plane mirror on the table in front of him, and then continued to do this experiment, so that Emperor’s Grandson can see more clearly.

“Did you see clearly? The light hits the mirror from different angles. The angle of reflection is different. Now draw a picture for you to see.”

Li An said that he drew a diagram of the light path on the blackboard, and then explained it very carefully. Because the experiment has been done, these Emperor’s Grandson understood the principle of reflection after a while, and understood what is incident Angle and reflection angle, and feel very happy.

“Student, what can you usually encounter about the reflection of light?”

After Li An has finished speaking, he will ask them next.

“The room facing north is darker. As long as you see the reflecting wall outside, the room facing north will become much brighter. This is the reflection of light.”

“You can see the moon in the water at night, it is caused by the reflection of moonlight on the water surface.”

Emperor’s Grandson gave a lot of examples at once, and they were right.

Li An was very happy and praised all the Emperor’s Grandson who answered the questions. Then, he took out the baby he had already prepared, 2 Periscopes that had just been made some time ago.

“Students, this is Periscope, and it is scalable. Periscope also uses the principle of light reflection. I will draw the light path map later. Let’s try Periscope first, Li Kuo, you come first.”

Li An said to pull Li Kuo up and teach him how to use it.

Periscope is such a simple toy, naturally Li Kuo can’t fail, he quickly learned how to use this tool, and he was very happy to play.

Playing in the room does not reflect the great role of Periscope. To play Periscope better, you still have to go out and play. So, Li An brought a group of Emperor’s Grandson to the outside of the Hanliang Temple.

Blocked in front of Li An is a brick wall that is taller than any adult. Because of the obstruction of the high wall, you ca n’t see what is happening over the high wall. With this Periscope, you do n’t have to worry. Take Periscope out, you can easily see the situation across the high wall.

Li An personally held a Periscope, tried to adjust the length, and saw the scenery behind the high wall, because the Hanliang Temple is close to Penglai Pond, so the scenery behind the high wall is very beautiful, with mountains and water, and full bloom Flowers, even, can see beautiful artificial rainbows.

Because the number of Emperor’s Grandson is relatively large, but there are only two Periscope, so, Emperor’s Grandson can only use Periscope in turn, each person can only use the time for a moment, then, it must be given to the next person.

Emperor’s Grandson lined up, each and everyone to experience the fun of Periscope, many Emperor’s Grandson has not been addicted, Periscope in hand has been robbed by the people behind.

Of course, in order to better see distant scenes, Periscope also applies light refraction in addition to the reflection of light. Otherwise, due to the distance of light propagation, the scene seen from Periscope will be better than using the eye directly Seeing is smaller, and in order to better appreciate the scenery, you can adjust the internal light path map, so that the scenery seen by the eyes is larger and clearer. Of course, due to the limitation of the field of view, the larger the scenery, The smaller the range you can see, and the larger the range you want to see, the smaller the scene will be. This is the same principle as a magnifying glass.

Because of the relationship of time, Li An not at all Research & Development can adjust the Periscope of the scene range, but just invented a fixed Periscope. The most common kind.

Dozens of Emperor’s Grandson, each and everyone tried it all, and praised the Periscope invented by Li An, I think Periscope is a very fun and interesting toy, and even snatched each other to see the other end of the high wall. Periscope, the scene was a bit chaotic at first, so that two Old Guys were scared and quickly came forward to maintain order.

Actually all Emperor’s Grandson have already seen Periscope, then, Li An will then lead them back to the house, and draw out the Periscope’s light path picture, and then give some explanations to let them understand the principle of Periscope, which uses light Refraction phenomenon.

“Periscope? It’s interesting. You can get one, I want to see it.”

Li Longji is in the room of the vicinity. He has already seen Li An ’s performance and found it very interesting. When everyone returned to the house, he asked Court Eunuch to ask for Periscope. He wanted to see it for himself. Is it really so magical.

“Minister Li wait, Your Majesty wants to see Periscope.”

A little Court Eunuch came over and looked towards Periscope in Li An’s hands.

Li An looked at Emperor’s Grandson who had all entered the house, looked around again, and asked in a low voice: “Your Majesty is in the vicinity?”

“Yes, Your Majesty has been here for a long time. How about Minister Li speaking well?”

Court Eunuch didn’t hide it, he said.

Li An laughed and handed the Periscope to Court Eunuch Jr., then, he walked towards the house and continued to lecture.

After Li Longji got Periscope, he tried to look at it and found that it was really a good thing. He didn’t understand. Why is Li An so smart? Anything weird can be invented.

“I want this thing.”

Li Longji overbearingly took the Periscope that Li An had worked so hard, and left after holding the telescope.

Li An continued the class, drawing all the models of Periscope and the internal light path diagram, and continued to give various explanations until all Emperor’s Grandson can understand.

“Okay, the content of this lesson has been finished, and the class is over.”

Li An finished, let the two Assistants behind him start to pack up, put all the brought things into the back basket, and then take it back, leaving only a Periscope, and gave it to the eldest son of the emperor ’s grandson, which is the emperor ’s grandson. Li Kuo, who gave him the highest status?

Li Kuo is very lively. After taking Periscope, he swooped out and ran outside the high wall. The long Periscope was deep to see the scenery on the other side of the high wall, and behind Li Kuo Following a large group of Emperor’s Grandson, they are waiting and asking. After waiting for Li Kuo to see enough, give Periscope to play with them, and there are many more Emperor’s Grandson, constantly asking what they saw.

“Li Huai, why don’t you go play?”

Seeing that all Emperor’s Grandson ran out to play Periscope, even two Old Guys went out to see the excitement, but Li Huai stayed in the house, Li An curiously asked.

Li Huai walked in front of Li An and said sincerely: “My Royal Father said that I would like to thank you and let me study science with you.”

“Oh, how is your Royal Father now, is he alright?”

Li An asked.

Li Huai’s eyes showed a happy expression, and said: “Royal Father is very good, much better than before, he will laugh, and hug me this morning.”

“Oh, so, is this your Royal Father holding you for the first time this morning?”

Li An asked with a smile.

“Yes, the Royal Father never hugged me before, but now he is better, it’s Mr. Many Thanks, I will learn well.”

Li Huai smiled innocently and seemed very satisfied, paused, and then said: “Royal Father said, he is very close to his husband. When he is free, he will come to visit and ask his husband for advice.”

“Oh, Prince Shou is going to ask for advice, okay, go back and tell you Royal Father, as long as he is free, he can go to my house at any time.”

Li An said very hospitably.

Although I do n’t know what Li Mao is going to do, as a very hospitable person, Li An will not refuse Li Mao ’s request, not only for Li Mao, anyone who wants to visit himself, Li An will not reject it Outside the door.

As for the fact that Li Mao ’s identity is too special, many people are afraid to avoid it, but Li An does n’t feel much. Even if Emperor robbed Li Mao ’s princess, their relationship is father and son after all, and for so many years In the past, Emperor not at all meant to kill him. Obviously, Emperor still loves this son very much. Just looking at the world, there is really no woman who can exceed the feeling that Yang Yuhuan gave him, and Emperor needs this feeling very much. So, he took the trouble of the world and robbed his son’s princess, but Emperor’s heart was more or less guilty.

The more bad Prince Shou is, the more serious the guilt in Emperor ’s heart, and if Prince Shou can live better and healthier, Emperor ’s heart will be better. In order to take care of this son, he chose A princess, after Upright Sect in Beijing, did not insult Li Mao.

Looking at Li Mao and Weber’s birth of many children in a row, Li Longji is still very happy. As long as his son completely forgets the matter of Yang Yuhuan and is happy, he is very satisfied.