What Zhang Nan didn't expect was that he recommended Du He to replace him as the director of the Labor Reform Bureau, but there was no opposition in the court, but almost all of them agreed.

may be because everyone thinks that Li Er's most important courtier, Comrade Du, can no longer enter the court because of physical reasons, so let Du He take over the Labor Reform Bureau, Li Er and Zhang Nan have already discussed it to compensate Comrade Lao Du who has worked hard for Datang all his life, so everyone chooses to keep their mouths shut.

So Du He's proposal to take over as the director of the Bureau of Re-education through Labor was thus passed, and I have to say that this was a surprise.

"That's it, Du He will take over as the director of the Labor Reform Bureau, Qingquan will be divided into the Ministry of Industry, and he will be the director of the Tiangong Department, from the Sanpin Official, Yuan Tiangang, the director of the Taishi Bureau, and Li Chunfeng, the chief bookkeeper, will be arranged by Qingquan, so be it, retire from the dynasty." After Li Er finished speaking, he left without looking back.

After the courtiers saluted Li Er, they all dispersed on their own and began their day's work.

Zhang Nan went down to the court, and he was not in a hurry to report to the Ministry of Industry, but went to the Taishi Bureau to find Yuan Tiangang and Li Chunfeng. After all, if the two of them want to engage in chemical research now, they must come up with something that people can see.

When he arrived at the Taishi Bureau, as soon as Zhang Nan entered the door, he found Li Chunfeng lying on the table and didn't know what to write, Zhang Nan quietly walked behind Li Chunfeng, patted Li Chunfeng's back, and said with a smile: "Master Li, what are you writing here?" So seriously? Could it be that you are writing "Tui Bei Tu" to predict my national fortunes of the Tang Dynasty? Zhang Nan was so tidy, but Li Chunfeng was taken aback.

Li Chunfeng turned his head with an angry face, and found that it was Zhang Nan, but it was not easy to have a seizure, so he had to say: "Lord Zhang is scared of Xiaguan, Xiaguan is just recording the stars last night." ”

As we all know, Li Chunfeng is not only a Taoist priest, a prophet, a yin and yang scholar, but also an astronomer.

"Hey, what can you see with the naked eye, can you take your two eyes with an astronomical telescope?" Zhang Nan said with a smile.

"Astronomical telescopes? What is it? Li Chunfeng asked strangely.

"Well, you want to know, if you want to know, I'll tell you when you come to work in my Tiangong Department." Zhang Nan said, Zhang Nancai doesn't plan to get an astronomical telescope and give it to Li Chunfeng for free, at least not now, why can't he change Li Chunfeng's research direction.

"Heavenly Ministry? It's the first time I've heard that we have this department. Li Chunfeng asked strangely.

"Today, the emperor has newly established the Ministry of Heavenly Work, and I am the minister, that is, the director, by the way, I will also bring you and Lord Yuan over, from now on, we are all in the same department." Zhang Nan said with a smile.

"This ...... Dare to ask Mr. Zhang, what is the Ministry of Industry doing this day? Li Chunfeng continued to ask.

"Who is that, Lord Yuan is not here, call him out, I will explain it together, and I will explain it to Lord Yuan again when the time comes." Zhang Nan said.

"Yes, yes, the tutor is tinkering with some black stuff in the house." Li Chunfeng scratched his head a little embarrassed, after all, Li Er summoned Yuan Tiangang and himself into the palace to see the stars and cut off the bad luck, Yuan Tiangang is now doing this, it is called not doing business, but as an apprentice, it is not good to say anything about Yuan Tiangang.

When Zhang Nan heard that Yuan Tiangang was tinkering with some black things, he was overjoyed.

"Is it so difficult that Yuan Tiangang is making black powder? If so, then I don't have to go through the trouble of explaining to Yuan Tiangang how important this chemistry is. Zhang Nan thought so.

Li Chunfeng quickly called Yuan Tiangang out, and Zhang Nan saw that Yuan Tiangang's original white face and beard were gray and dirty because of charcoal, and there was a strong smell of saltpeter on his body, so he knew that there was a way to do this.

"Lord Yuan, don't come unharmed." Zhang Nan arched his hand at Yuan Tiangang and said.

"Eh, Qingquan, you're here, come on, sit down, that Chunfeng, don't stand here stupidly, hurry up and make a cup of tea for Master Zhang." Yuan Tiangang saw Zhang Nan and said excitedly, which made Zhang Nan have the illusion that he had any relationship with Yuan Tiangang.

"I'll drink this tea, and I'm here today mainly to tell the two of you about the Ministry of Industry this day." Zhang Nan sent the two people to tell the two people what kind of department the Tiangong Department is, what to do in it, and the importance of rejuvenating the country through science and technology, and the Tiangong Department needs talents like you who can endure hardships and are willing to study.

Yuan Tiangang listened to it until the end, and then nodded and said: "Gently Guan You said that this old Taoist of the Ministry of Heavenly Works is understood, but Chunfeng and I are not good at tactfulness, we went, what can we do?" ”

"That's right, Lord Zhang, if you want me and Master to go and see a picture of Feng Shui or something for the Heavenly Ministry of Works, that's okay, this clever thing, Master and I really don't know anything." Li Chunfeng said.

"Who said that I let you two do physics in the past, and I let you do chemistry in the past." Zhang Nan said seriously.

"Physics? Chemistry? The two asked in unison.

"That's right, Daoist Yuan, haven't you figured out why the things I got exploded?" As soon as Zhang Nan asked, Yuan Tiangang's old face turned red, it was indeed a little embarrassing, this started with Zhang Nan giving Yuan Tiangang the black powder that could explode, of course, Yuan Tiangang didn't know what this thing was called, it had been five or six months, and Yuan Tiangang hadn't figured out why such a common thing would have such a great power when put together.

"I'm ashamed, I'm ashamed, Lao Dao hasn't realized what kind of truth can produce such great power until today." Yuan Tiangang said with a red face.

"So, this thing is called chemistry, and I asked you two to come over to help study this thing." Zhang Nan said with a smile.

"Oh? Qingquan, do you mean to let me and Chunfeng help you study how this thing came to be so powerful? No, didn't you make this thing? It's so hard that you don't know it? Yuan Tiangang asked with a strange expression.

Zhang Nan was also too lazy to talk to Yuan Tiangang, and directly exchanged a seventh-grade chemistry textbook from the system to Yuan Tiangang.

"Daochang Yuan, Daochang Li, this book is one of the secret treasures that I have traversed a sect, and now I lend it to the two of you, I hope you two can understand the truth, if you can understand it, then congratulations, you have found the essence of the world." After Zhang Nan finished speaking, he handed the book to Yuan Tiangang.

Yuan Tiangang took the seventh-grade chemistry textbook with trembling hands, and said in his mouth: "Is this the "Tao" difficult? ”

When Zhang Nan heard this, he immediately said: "I'll tell you this, when you understand it, you will know what this world is made of." ”

Hearing this, Yuan Tiangang raised his head and said firmly: "Qingquan, don't worry, Chunfeng and I will definitely see through this book of "Chemistry" and see the essence of the world." ”