Chen Xu came to the kitchen and pushed open the door of the original laboratory, and the same dusty smell came to his face.

Everything in the room was the same, the furnishings were exactly the same as when he left in early summer, the long wooden table in front of the windowsill, the rough clay bowls and pots were in a mess, and there were ores and crystals of various colors in it, and on a wooden board there was a piece of plaster, which was left over from making tofu.

The beams and windows were covered with cobwebs, most of them shattered, swaying gently in the cold wind that blew in.

It's only been half a year since I left, and coming back is like a lifetime.

Shui left softly, and Daddy returned, married the princess and Meng Wan, and had a more half-sister and a half-brother.

The moon is cloudy and sunny, and people have joys and sorrows, and this matter is difficult to complete.

If there is not enough experience and life insight, it is impossible for a great poet to write such a lingering and lonely poem.

After two lives, Chen Xu finally realized the loneliness and helplessness of the great poet.

Chen Xu was silent for a long time, then picked up the broom and cleaned the laboratory inside and out, went to the kitchen to find the charcoal left over from last year and lit the fire, as the curling smoke came out of the chimney on the roof, the room that had been cold for a long time began to have a trace of vitality again.

After building the fire, Chen Xu arranged for the servants to move the saltpeter, sulfur and charcoal sent by Liu Po into the laboratory, and found out the clay pots and mortars that needed to make gunpowder and cleaned them up, so that people went to the next door to find Niu Dashi.

"Brother Xu, what are you looking for me?" After a while, Niu Dashi walked in with a few fried chestnuts in his hand and eating them.

Chen Xu didn't care if his hands were dirty or not, dug a chestnut from Niu Dashi's hand and threw it into his mouth, clicked a few bites, spit the shell into the stove and said, "From today on, you follow me to learn how to make gunpowder......

Niu Dashi's face twisted like a shoehorn when he heard this, and he took a few steps back and said, "You spare me, do you want me to help you cook and urine?" ”

Chen Xu almost choked on a mouthful of chestnuts, and coughed for a long time before saying, "No, don't boil urine this time!" ”

"Are you sure? I'm a pawn now, if I boil urine and water if it gets out, I'll lose face! Niu Dashi's face was full of distrust.

Chen Xu kicked Niu Dashi's ass and sobbed his cheeks and said, "At the beginning, I was still in the house, you shouted all over the village for me to boil urine and drink water!" ”

"Hehe, you can't blame me for that, you cooked it yourself!" Niu Dashi laughed a few times.

"Don't eat it, go wash your hands and prepare, gunpowder is very simple to make, but you have to be very careful, otherwise it will explode, after making it, I will make a few divine thunder fireworks, and go to the town in a few days to celebrate the New Year!"

"Divine thunder fireworks, is it the kind of colorful flames in the sky that the newspaper says?" Niu Dashi was pleasantly surprised.

"Well, that's the kind of ......"

"Okay, let's get started!" Niu Dashi chestnuts didn't eat either, stuffed them into their pockets and went out to wash their hands, and when they came back, Chen Xu threw him a smock, and after both of them put them on, Chen Xu opened the three raw materials for making gunpowder.

Saltpeter sulfur and charcoal cow boulder have been recognized, Chen Xu took out a small scale and weighed out some of each according to the proportion and poured it into the mortar, explaining the proportion of ingredients while doing it, and after weighing, he picked up the wooden pestle and carefully said while pestling on the wooden platform: "Saltpeter is extremely easy to explode, so remember not to get close to the fire, not to use a stone mortar or iron mortar, any little spark may burn and explode, so slowly pestle into minced powder and stir and add a little tung oil......

To make gunpowder into qualified granular gunpowder, it is necessary to repeatedly pound the pestle hundreds or thousands of times, so that the three ingredients are completely and evenly fused together, and when it feels almost done, pour it out and spread it out in a dustpan to dry.

Tung oil dries faster, if it is placed on the warm kang to dry faster, after half drying, gently rub it by hand into a more uniform state and dry it thoroughly, but there is no hurry at the moment, so after getting it, Chen Xu handed the small scale to Niu Dashi and asked him to make it according to his own process.

A day passed in a flash, and after several repeated productions, Niu Dashi had completely mastered the method of making gunpowder, and the two of them made a total of more than 30 catties of gunpowder in a day.

The next day, Chen Xu pounded the crystals of several metal salts with obvious flame color reactions left in the laboratory into powder, and added them to gunpowder to make pea-sized gunpowder particles.

On the third day, Chen Xu asked a few servants to help roll fireworks and paper tubes with hemp pulp paper and batter, and then stuffed the bottom of the paper tube with yellow mud and dried it on the kang.

Four days have passed in a blink of an eye, Chen Xu and Niu Dashi secretly made more than 20 fireworks bombs in the laboratory, and the production process is exactly the same as the method of the two dumb slaves, according to Chen Xu's ideas, they will definitely be able to explode successfully.

Moreover, Chen Xu also used the remaining gunpowder powder to make more than ten fountain fireworks.

The gunpowder of this kind of fireworks is relatively small and loose, just put it on the ground and ignite it, even if the explosion power is not very large, there is not much problem with safety.

It's now the middle of December, and although the weather is still cold, winter is coming to an end, and it's January in just over ten days, and spring is about to begin.

Qinghe Town is still bustling and not too quiet because of the cold winter, all the workshops are still busy, and there is still an endless stream of businessmen coming and going.

In the cold wind, a large number of farmers on both sides of the Xiaoqing River have begun to plough the fields and prepare for spring sowing after the beginning of spring.

Chen Xu has rarely been to Wild Wolf Valley recently, because he has taught what he should teach and what he should say, so he can only let his father Chen Hu train repeatedly.

In the town's blacksmith shop, the fire in the iron-making furnace burned red under the tugs of the bellows, and a pot of steel juice in the crucible in the iron-making furnace was also boiling red.

The iron-making craftsman directs a few helpers to lift a pot of iron juice out of it with a swinging boom, and then carefully pour it into the sand turning mold.

Now that gunpowder and fireworks have been made, all it takes is to make the barrel again.

Chen Xu has been sneaky and busy with Niu Dashi recently, and Chen Hu and Han Xin have also stayed in Wild Wolf Valley almost all day long.

Chen Jiang and Han Tian are now like sisters, digging vegetable gardens with a group of domestic servants at home to sow vegetables and fruits.

Ying Shiyan and Meng Wan have been pampered since they were children, and they can't do these jobs, so they basically stay in the room and watch the stories originally written by the water gentle, and they are very fascinated.

Xing'er, Yu Ji, Xiaomi, the three girls and a group of girls in the village are either kicking shuttlecocks and playing sandbags in the yard to play games, or running around the village to play, and a few shakuhachi-long puppies are following behind a group of children, and they are also crazy all day long.

The two dogs that he had raised had really been eaten by the shabu shabu after Yu Wuya came back, but he was also prepared, so that Niu Dashi caught a few puppies from the town and came back, and the two little girls came back and cried and quickly forgot about the original two dogs, and then liked the new and hated the old and quickly liked this group of new dogs.

In the evening, Chen Xu and his father Chen Hu, Niu Dashi, and Han Xin came back from Qinghe Town together, and more than a dozen guards hugged each other before and after, and the sound of horses' hooves could be heard clearly every few miles.

Ying Shiyan and Meng Wan were greeted outside the courtyard with a group of domestic servants and maids.

"First unload the two iron cylinders on the horse's back!" A group of people turned over and dismounted, watching the groom take the horses to the stable to feed, Chen Xu hurriedly ordered.

"Yes, Master Hou!" Several servants stepped forward together to remove a rattan basket tied to the back of the saddle, in which were placed two iron pipes the thickness of two arms.

"Husband, how does this look like something that sets off the Divine Thunder Fireworks?" Ying Shiyan asked in surprise.

"This is the device I am going to use to set off the fireworks of the divine thunder, there were also fireworks in Xianyang last time, but we have come back, so we haven't seen it, today we put it at home, so that the villagers in Xiaohe Village and Qinghe Town will open their eyes!" Chen Xu said with a smile.

"yes, we can watch the Divine Thunder fireworks again!" Xing'er and Yu Ji jumped up excitedly, and then ran out of the yard with a few puppies to publicize in the village, and Xiaomi also followed behind, and the three children disappeared in an instant.

"Husband, Xiaohe Village is surrounded by mountains, and the people in the town can't see it when you set off the Divine Thunder Fireworks at home!" Meng Wan looked at Chen Xu suspiciously.

"I only put a few at home today to make a scene, and in two days we will go to Qinghe Town together to release them, so that everyone can ......see them," Chen Xu said as he instructed a few servants to take out the iron pipes and assemble them.

The speed of the three little girls' propaganda was very fast, Chen Xu had just finished washing his hands and didn't have time to take a breath, only to hear the noise outside the yard, a large group of children had already rushed into the yard, chattering and discussing around the two iron cylinders fixed with tripods, and there was a faint sound of men and women laughing loudly in the distance.

"Hurry up and serve the rice!"

Chen Xu couldn't cry and laughed, and hurriedly ordered the rice to fill his stomach, and it was estimated that the whole village would come later.

Sure enough, before the bowl of rice was finished, Niu Dashi ran in with a steamed bun with dipping sauce in his hand, and said while eating: "Hey, Brother Xu is still eating, hurry up, hurry up, it's already dark!" ”

Chen Xu glanced out the window, twitched a few times and said, "Black fart, at least wait until the end of the unitary time......"

"Brother, brother, go and set off the Divine Thunder Fireworks, the whole village is here!" Apricot ran in and shouted loudly.

Chen Xu had no choice but to finish planing the food in the bowl in two bites, dropped the bowl and chopsticks and wiped his mouth and went out, Han Xin followed closely, wrapped a mouthful of food and did not forget to pull a chicken leg with his hand to catch up.

Ying Shiyan and Meng Wan naturally didn't have the heart to eat, so they put down the dishes and chopsticks and hurriedly followed out.

And a group of little maids who served and ate couldn't help but keep looking out, but they didn't dare to leave, and they were all in a hurry. (https:)

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