My wife is Wu Zetian

Seeing Cheng Chubi being beaten and pleading for mercy, Li Yanran didn't want to let him go, so she directly ordered Cheng Chubi to be tied up.

Then everyone showed up to taste the hot pot, but Cheng Chubi was tied to a tree and watched helplessly, not to mention how uncomfortable he felt.

"Su Zhi, take my greeting card immediately and invite Yan Liben Yan Shangshu to my residence."

The first thing Su Dingfang did when he returned to Chang'an was to send someone to invite Yan Liben, who was then the Minister of Works.

He wanted to tell Yan Liben everything he had learned from the fiefdom, and let the Ministry of Industry develop what he had in mind while he was still in Chang'an.

"Here."

Su Zhi immediately went to the Yamen of the Ministry of Industry with Su Dingfang's invitation.

After receiving Su Dingfang's invitation, Yan Liben did not dare to neglect, and directly put down his work and headed towards the Duke Xing's mansion.

After all, the other party is now a popular person in front of His Majesty and shoulders the important task of aiding Tuhun Valley, but he cannot be offended.

"Xing Guogong!"

"Yan Shangshu, come quickly, come quickly."

Seeing Yan Liben, Su Dingfang hurriedly welcomed him over.

"Xing Guogong, don't be like this, Yan Liben is a little flattered."

Seeing Su Dingfang being so attentive, Yan Liben instinctively shrank back, wondering what the other party wanted to do by asking him to come over.

"Shang Shu Yan, what you said is a bit out of line. Sit down quickly, sit down quickly."

Su Dingfang smiled slightly and motioned for the other party to take a seat.

“Mr.

Yan Liben sat on the new chair, like a thorn in his back.

After all, the more intimate Su Dingfang showed, the more unsure he felt.

Thinking about it, there seems to be nothing in his hands that makes Su Dingfang do this.

"Brother Liben, how is the research on the Fire Dragon Cannon by the Ministry of Industry now?"

Su Dingfang took a sip of the tea bought from Shuren Tea House and asked slowly.

"I just got the formula for the Fire Dragon Cannon, and I'm looking for a master from the Ministry of Industry to study it. I don't have a clue yet. I'm afraid you won't be able to use it this time when you send troops to the southwest."

Yan Liben was also stunned when he heard that Su Dingfang was thinking about the Fire Dragon Cannon.

Although they obtained the formula of black powder and samples of the fire dragon cannon, it was still a long time before it could be used.

At least it shouldn't be needed in this southwest battle.

"I didn't want to use the fire dragon cannon. I wanted to use black powder."

Su Dingfang smiled slightly and said what he really meant.

"Black powder?"

Yan Liben looked at Su Dingfang in front of him, feeling a little confused.

He naturally knew the black powder. It was the propeller of the Fire Dragon Cannon. It was precisely because of the black powder that the Fire Dragon Cannon could spray deadly iron beads.

But now you only need black powder, what is going on.

Looking at the confused Yan Liben, Su Dingfang also told everything he had seen and heard in the Lishan fiefdom.

"Does Duke Xing want to use these black powders as secret weapons to blow up the enemy's city walls? Force the Tibetans to fight with you in the field?"

After hearing this, Yan Liben immediately realized what Su Dingfang meant, and was also shocked by Li Yanran's whimsical ideas.

How can a piece of black powder be used like this?It really caught him off guard.

"That's right, so what I mean is that the Ministry of Industry will temporarily give up research on the Fire Dragon Cannon and first overcome the technical requirements of black powder."

Su Dingfang nodded. Yan Liben still had something to say, and he immediately understood what he was thinking.

"This"

Now Yan Liben is in a bit of a dilemma. Now Li Zhi's order is to overcome the technological barriers of the Fire Dragon Cannon as soon as possible. Now you ask me to give up the Fire Dragon Cannon and focus on black powder.

This really made him a little embarrassed.

"Don't worry, Your Majesty won't care. After all, black powder is also the most important aspect of the Fire Dragon Cannon.

And I don’t have any big demands, as long as you make the so-called explosive bag for me. "

"This shouldn't be a problem for the Ministry of Industry!"

Looking at the troubled Yan Liben, Su Dingfang also smiled slightly.

If he didn't know the recipe, he would have done these things himself.

After all, the Ministry of Industry has too many things to do, and some things are better done by yourself.

"That's not impossible. Explosive packs are a good idea."

Yan Liben nodded. If that was the case, it wouldn't be a problem.

Just divide a few people into studying black powder and create explosive packets.

"One more thing, you have to overcome the problem that black powder is afraid of rain, moisture, and is flammable and explosive. I don't want all the black powder to misfire when needed."

Su Dingfang nodded. It would be wonderful if Yan Liben's engineering department could solve these problems.

In this way, he holds the explosive pack in his hand, and no matter what happens to the Tibetans, he can deal with it calmly.

And he also thought of a better use of these black powders. What if the two armies were to send out death squads to charge with explosive bags.

Then he filled the explosive bag with weapons such as iron shards, porcelain shards, and iron beads. He couldn't figure out what kind of enemy could resist it.

Even the elite of the Tang Dynasty might not be able to do it.

"Don't worry, Mr. Xing. After I return, I will strictly instruct the craftsman from the Ministry of Industry to resolve this matter first. I will definitely not let you down."

Yan Liben stood up and bowed slightly to Su Dingfang. This matter was not only what Su Dingfang wanted to solve, but also what the Ministry of Works had to solve.

If these problems cannot be solved, the Fire Dragon Cannon will not be able to be put into actual combat at all. "Okay, thank you very much, Shangshu Yan. Su Dingfang is waiting for your good news for countless soldiers on the front line."

Su Dingfang stood up and gave Yan Liben a gift in return.

This gift was not only for him, but also for the countless frontline soldiers of the Tang Dynasty.

"Without further delay, Yan Liben will take his leave now."

Yan Liben nodded and left directly.

"I'll give it to Yan Shangshu!"

After saying this, Su Dingfang sent Yan Liben out directly.

After Yan Liben left, he did not return to the Yamen of the Ministry of Industry and went directly to the Ordnance Supervision of the Ministry of War.

Originally, the Ordnance Supervision was under the Ministry of War and was responsible for manufacturing weapons and armor for the Tang Dynasty.

However, since the Fire Dragon Cannon was handed over to the Ministry of Industry by Li Zhi and assisted by the Ministry of War, Yan Liben also had the right to allocate craftsmen from the Ordnance Supervision to conduct research and improvement.

"Yan Shangshu?"

Seeing Yan Liben arriving suddenly, the weapons supervisor rushed out to greet him.

"Liu Jianzheng, please immediately mobilize weapons supervisory master craftsmen and rush to the Ministry of Industry. We will start research on new weapons soon."

"This"

Hearing Yan Liben's words, Ordnance Supervisor Zheng Liu He was also confused.

Although he also received the order from the Ministry of War to cooperate with the development of the Ministry of Industry, he had to transfer all the master craftsman-level people by himself, which really put him in a bit of a dilemma.

"Shang Shu Yan, why don't you ask the Ministry of War?"

Liu He frowned, his eyes filled with confusion.

"Liu Jianzheng, I am acting according to His Majesty's will. Your Majesty has said that anyone who dares to violate the laws of the country will be punished.

Now that the army is about to send troops, if you delay the development of new weapons, you will be responsible for the consequences. "

Hearing that Liu He wanted to push back, Yan Liben also raised his eyebrows and shouted in a low voice.

"Okay! Yan Shangshu, please wait a moment, I will go and deliver the order right away."

Now Liu He was completely honest. Yan Liben had brought out the emperor's orders, what else could he do.

If the development of new weapons is really delayed and the other party puts the blame directly on his head, then he will die unjustly.

"So good."

Yan Liben said and began to taste the tea just delivered by the clerk, waiting for Liu He's return.

Liu He acted quickly, and ten master craftsman-level people were immediately brought over and handed over to Yan Liben.

Yan Liben left with ten top craftsmen satisfied. After returning to the Ministry of Industry, he immediately summoned the craftsmen from the Ministry of Industry to go to the research and development site.

Saltpeter, sulfur, and charcoal were also continuously delivered.

Looking at the craftsmen in front of him, Yan Liben told all the experiences he had gained from Su Dingfang, and then told all the main directions of current development.

The first is to solve the problem of gunpowder, and the second is to make the explosive package Li Yanran mentioned according to Su Dingfang's requirements.

These master craftsmen are all the top craftsmen of the Tang Dynasty. The master craftsmen of the Ordnance Supervision have natural advantages in moisture protection.

Tang Dynasty's weapons all need this kind of maintenance. They also have many plans, but the best one is oil paper plus extreme sealing conditions.

Yan Liben's moisture-proof requirements can be met by sealing oil paper inside the porcelain.

However, Yan Liben refused. Porcelain was too delicate. Large-scale burned-paper porcelain was used as a container for storing gunpowder. Both cost and transportation would become a problem.

So he also proposed what Li Yanran said about wooden barrels being used as containers.

These master craftsmen are all capable people, and Yan Liben put his ideas into practice immediately.

In the end, we received very good feedback. Although the sealing and moisture-proof properties of wooden barrels are not as good as those of porcelain, they are far superior to porcelain in terms of cost and transportation.

Now that the transportation and storage equipment has been decided, the rest is easy.

But the matter of the explosive packs stumped everyone. These were rough guys, and the job of breaking out the explosive packs was extremely difficult for them.

Yan Liben looked at the sky and had no choice but to give up and let everyone rest where they were and wait until tomorrow for the experiment.

If it doesn't work, go and borrow some tailors, they should be able to do it!
While the Ministry of Industry was conducting experiments, Li Yanran couldn't bear the loneliness, and also researched other uses of black powder. The first thing that came to Li Yanran's mind was fireworks.

It seems that before black powder was used in the military, it was used in fireworks. There is no reason why I can't do what others can do.

Just do it, gather a few fools and come to the snow forest again, and start following the steps in your memory.

If you want to make fireworks, the first thing you need to do is the outer shell of the firecracker, which is the paper tube.

There is no shortage of paper in the Tang Dynasty now, so Li Yanran still has many choices, but the first choice for making fireworks is hard paper.

However, the paper in the Tang Dynasty was generally very soft, so Li Yanran also chose the cheapest low-quality paper and asked Cheng Chubi to roll the paper into a paper tube.

After the paper tube was finished, Li Yanran ran into trouble again.

Now that the paper tube is ready, what should I do next?

Sealing the door downstairs is a problem. If the door sealing is not done well, the fireworks will be like the firecrackers we did before.

"Brother Li, what should I do next?"

Looking at the paper tube in front of him, Zhang Sunyan's eyes flashed with excitement. Although he didn't know what Li Yanran was going to do, he was certain that this thing would be fun.

"Wait for me to think about it."

After saying that, Li Yanran squatted on the ground and began to think about the fireworks she had seen in later generations and how they were made.

Looking at the soil under her feet, Li Yanran was also stunned. She finally remembered what the fireworks would be like in later generations.

"Put mud into this paper tube."

"???"