"Ah!" Yu Yueli suddenly screamed again, "I, I, I, what excuse did I have to find? It's not me who caused this, wuwuwu," the more she thought about it, the more she felt aggrieved. It was not her fault.

, why should she be beaten? It's unfair.

Looking at Yu Yueli who was crying again, Si Beixuan sighed, "Didn't you say that you should take responsibility? What? Are you wronged at this time?"

"Uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu: I'm just talking. uuuuuuuu, how did I know that you were really so unreasonable." Yu Yueli grinned and started crying again.

Who is being unreasonable? Si Beixuan curled his lips helplessly.

After coaxing him to sleep, he finally fell asleep. The memorial was also processed. Although it was still wet, the handwriting had almost recovered. It just needed to be dried. It couldn't be approved tonight, so Si Beixuan simply cleaned it up.

He carried Yu Yueli back to the house to sleep, but this time he also gave Si Beixuan a reminder. Just like Yu Yueli said, if there is heavy rain or accidentally falls into the water while sending the message, the handwriting will not disperse.

Or if it was intercepted by the enemy, wouldn't it be even worse? It seems that some special ink must be developed to convey confidential information.

This girl seems to like studying these weird things, and since she mentioned it, maybe she knows how to do it. It's better to leave it to her, and it can be considered as finding something to do for her.

Tian and Qi Lian were noisy.

Si Beixuan made up his mind and told Yu Yueli about it the next day. Yu Yueli was worried that she had nothing to do to relieve her boredom recently, so she immediately accepted the task.

"As for the way to prevent ink from scattering, the simplest way is to bake it with pine oil. It can lock the ink and prevent it from being intercepted by the enemy. If you want to prevent the enemy from discovering the information, you can try ginger juice. Ginger juice can be used for writing.

It will disappear after it dries, and it will appear when it is put on fire. This is the simplest. If it doesn't work, just rely on the password." Yu Yueli lazily held the kitten and sat on the rocking chair, rocking back and forth, comfortably.

His little feet swayed, "That's all I know. It's a pity that you don't have any signal stations or mobile phones here, otherwise you can get it done with just one phone call."

Si Bei

, the mobile phone. Is it something from your side?"

"Yes, high-tech gadgets." Yu Yueli replied triumphantly, "With signals and electricity, people can use mobile phones or telephones to talk to people thousands of miles away, even across the ocean.

, but I can’t make this thing. In our place, this is something that has been studied by countless scientists for decades or hundreds of years. Hey, if possible, I really want to take you to our place to have a look.

It will definitely open your eyes."

Si Bei

I want to take credit from my father."

"That's a great feeling," Yu Yueli rocked the rocking chair. "It just so happens that my father has a painting by Lu Zishu. It's what I've always wanted. If you ask for it, I'll definitely make it for you."

After hearing what Yu Yueli said, Si Beixuan paused and said, "You really know how to ask for that "Mountains and Rivers Map" written by Lu Zishu. It is a treasure that my father has always collected. It is very precious. You are going to leave right now."

The Emperor’s most precious collection.”

Yu Yueli smacked her lips, "Anyway, if you want to reward me, I need that painting. There is no point in giving me anything else." She has no shortage of gold, silver and jewelry, and she has no need for fabric jewelry. She prefers to make it herself.

Fields and mansions? I'm sorry, she's lazy. She fell in love with the "Mountains and Rivers" at first glance. There were many hints of Tang Yin in the words and ink. She also asked for them later, and also took advantage of them, but nothing happened.

The work paid off, and the painting of the emperor's treasure was so good that whenever she went there now, the emperor would put the painting away, for fear that she would take it away again.

After taking over the job, Yu Yueli found a series of materials and began to study. The most important thing was ink.

Orchid, mixed together, will make the writing disappear after drying, and will reappear after being burned. Among them, red orchid can fade the ink and make ginger juice invisible. After high temperature, red orchid and ginger juice will evaporate, making the ink stains

It's a pity that the red leaf orchid and ginger juice cannot be used again after evaporation, so it is equivalent to a one-time use.

But fortunately, it can be regarded as a scientific research result. Yu Yueli continued to play with it. For the purpose of experiment, she even customized several glass test tubes and beakers. Unfortunately, the art of making glass in this world is not yet proficient. Fortunately, she

I also learned a lot from watching videos on TV showing how to sew people by hand, so I found some glass and started firing it myself. It was not very smooth at first, and I almost hurt myself several times. Yu Yueli was also scared out of her mind.

However, after that, I continued to bake more and more courageously, and finally made a usable one.

It is limited to usability, at least the appearance is already out. If you want to be more refined, you need to practice more. However, the process of burning glass makes Yuyueli more interesting. No wonder I used to see those who burned people by hand.

Making glass looks fun, but I didn’t expect it to be really interesting. Watching the glass change into various shapes and appearances in your hands is also a kind of fun. The more you play, the more addicted you are. All you want is to think about it.

After you finish getting all the ink, go burn some cups or something, which can be used on a daily basis.

Test tubes were placed on the table one by one, and Yu Yueli was developing them like a professional scientist. She attracted a group of little maids to watch the fun. After watching for a long time, she still didn't understand what the princess and the princess were doing.

.

"What are you all doing here? Don't you all have to do anything?" Suddenly a scolding sound came, and all the maids and servants were scolded and dispersed. Only then did they see a person in the middle of the crowd. Only Yu Yueli could be seen.

Wearing a white coat and strange glasses, she was looking at a few glass tubes and looking at what she was doing. Qi Lian suddenly became angry, "Yu Yueli, I don't care if you don't do your job normally, but now you are seducing the servants in the house.

You are not doing your job properly, do you think you are just playing tricks on a monkey?"

"I have the final say in the Prince's Mansion, you, shut up!" Yu Yueli replied without even looking at Qi Lian, "Besides, this is what your brother Xuan ordered me to do. If you have any opinions, go to him and don't disturb me.
Chapter completed!