Although the Changguang County Government entertained Cai Ji and others. But at the moment, Cai Ji, who is thinking about earning his vote at sea, will stay in Changguang County more. No, after dealing with the aftermath of the locust plague and banditry, Cai Ji, Tai Shici and others rushed back to Huang County in a hurry. And of course, the accompanying ones also included the newly recruited Guan Cheng and a group of pirates.

According to Cai Ji's previous promise, Guan Cheng was appointed as the commander of the navy as soon as he arrived in Huang County. And in this era, recruiting thieves was a means for the princes to expand their armies. Therefore, Cai Ji's move did not attract criticism. On the contrary, the management commander also generously allocated a batch of money and grain to the newly built naval army to appease Guan Cheng and others. Because in his opinion, the group of pirates recruited by Cai Ji will all be the people of the lord Yuan Shao sooner or later. At this time, it is still necessary to buy people's hearts. It's just that Guan Tong never expected that Cai Ji and the pirates had already made a pact to share the spoils. His little trick didn't work as expected.

And after Guan Cheng got the official position and distributed the grain and grass, even Tang Ying led a team of people to escort him back to Shuizhai to report that he was recruited. As for the other pirates who were captured with him, they were arranged by Tai Shici alone and left in Huangxian County for training. In the name of it, he is familiar with military discipline. Regarding Tai Shici's arrangement, Cai Ji agreed very much. It is the so-called ship of ten thousand years. Cai Ji didn't want to be like Emperor Chongzhen of the Ming Dynasty who spent money to recruit Liukou again and again, and was betrayed by Liukou again and again.

Seeing Guan Cheng return to the water village to collect the pirates, Tai Shici trained the recruits day and night. It seems that the looting of the Samhan tribute ship can only be put aside for the time being. But where is Cai Ji who can be idle lightly. Money, food, power, and fame are all resources that she urgently needs but lacks. But the wheel of history is still rolling forward, without the slightest intention of slowing down for her Cai Ji.

But even if Cai Ji is too busy to break one day into two days. But after Guan Cheng left Huang County, she still went to Duan Mansion to visit Duan Zhi, the second lang of the Duan family. As for the reason, it's simple. It's for gunpowder. It must be known that even with the newly recruited Changguang pirates, Donglai's soldiers and horses have only just grown to more than 8,000 people. Not to mention the battle between Yuan Shao and Gongsun Zhan in the north, which often involved hundreds of thousands of people. It is the surrounding Cao Cao and Lu Bu forces, which one does not claim to the outside world that there are more than 100,000 horses. Donglai's little force, when encountering slightly stronger princes or rogues, I am afraid that it will not be enough to stuff people's teeth.

And in the case of limited troops, there are no more than two ways to improve combat effectiveness. The first is to enhance the soldier's individual ability and synergy. Therefore, Tai Shici has been committed to training soldiers since he took over as the governor of Donglai County. Although there is no obvious effect at the moment, under the training of Tai Shici, Cai Ji will definitely emerge in Donglai in time. The second is to improve weapons. Cai Ji doesn't know how to train soldiers, but when it comes to improving weapons, her thousand-year-old knowledge can still help somewhat. Therefore, Cai Ji will find Duan Zhi to inquire about gunpowder at this time.

"Brother Cai Xian came just in time. Shiba is trying to go to the Taishou Mansion to find you. ”

As soon as he entered the gate of Duan's Mansion, Cai Ji met Duan Zhi, who greeted him warmly. Although Cai Ji felt a little surprised, he still said politely, "I don't know what Brother Duan is looking for Ji?" ”

"I heard from the villagers that the virtuous brother was turning locusts into shrimp at his point. I really didn't expect that the virtuous brother not only knew alchemy, but also was proficient in spells. Come, come, come, brother Xian, tell me quickly, what kind of immortal method did you use to turn those locusts into edible shrimp? With that, Duan Zhi, who looked curious, pulled up Cai Ji's sleeve and rushed to his alchemy backyard.

Why are you asking about this again? It is said that in the past few days, Cai Ji has been asked about "turning locusts into shrimp" in Huang County. Although she explained again and again that locusts can be eaten by themselves. But the Eastern Han people seem to prefer stories of gods and monsters to boring biological knowledge. Therefore, Cai Ji at this time had to follow Duan Zhi quickly, and explained with a wry smile that Brother Duan had misunderstood. The so-called locusts into shrimp are all false rumors by fools and foolish women. Where can Ji know what immortal method? The locusts were meant to be edible. ”

"What? That's it? Duan Zhi stopped, turned his head and asked with a lost face, Could it be that the immortal pointed you out in a dream?

"Ji has never dreamed of a fairy." Cai Ji raised his hand seriously and swore.

"How can anyone never dream of immortals?" Duan Zhi muttered quietly in an unbelievable tone. Then he returned to the kind of normality of being indifferent to people and things except for alchemy, and asked Cai Ji casually, "Then what is the matter with you looking for me?" ”

Cai Ji saw that Duan Zhi's attitude towards Duan Zhi had changed sharply, but he didn't care, but instead smiled and said, "Don't hide it from Brother Duan, Ji has an alchemy recipe in the folk this time and wants to invite Brother Duan to take a look." ”

"Alchemy recipe? Bring it and I'll take a look. As soon as Duan Zhi heard that there was an alchemy recipe, he immediately came to his spirit again.

However, at this time, Cai Ji sold Guan Zi and said Brother Duan, there are many people here, so it is better to go into the house first. ”

Duan Zhi also felt that it made sense when he heard Cai Ji say this, so he led Cai Ji into the study quickly. After the guests of honor were seated, Duan Zhi couldn't wait to urge Cai Ji to ask Brother Cai Xian, can you borrow a prescription now? ”

"Brother Duan, please take a look." Cai Ji said as he took out a piece of bamboo slip from his sleeve and handed it to Duan Zhi.

"One sulfur, two nitrate, three charcoal......" After Duan Zhi read the words on the bamboo slip, he couldn't help frowning and muttered, This doesn't seem to be a recipe for alchemy. It's more like a deliberate attempt to set fire to an explosion. ”

"Nope. I got this recipe from the hands of a remnant of a yellow turban. According to his explanation, the demon dao can use this recipe to create a pitch-black thing like salt grains, and it can collapse the mountains and tear the soil with a little fire. Therefore, it is called gunpowder. Cai Ji said half-truthfully.

"I also heard that the demon Dao Zhang Jiao can lead thunder and split mountains. Does it have something to do with this recipe? Duan Zhi touched his bare chin, and after pondering for a long time, he suddenly raised his head and asked, "Brother Cai Xian, have you ever heard of thunder spitting fire?" ”

"Is it thunder and fire?" Cai Ji asked, shaking his head.

Duan Zhi explained that Liu An, the king of Huainan, had hired Bagong to compile the Huainan Wanbi Shu for him, which included many spells. One of them is called 'Thunder Spitting Fire'. ”

Cai Ji heard Duan Zhi mention "Huainan Wanbi Technique", and then he remembered that Liu An, the king of Huainan, had indeed asked eight alchemists to compile such a book for him. It's just that this book has been lost in the Sui Dynasty. According to the surviving literature of later generations, many scientific and technological inventions including periscopes, ice lenses, and gunpowder are recorded in the Huainan Wanbi Technique. It's just that these inventions were not applied to daily life, but were used by early alchemists as a secret technique to dazzle people and deceive people's hearts. Of course, this is not to blame Chinese alchemists for using science to engage in superstitious activities. It is important to know that before the Renaissance, civilizations around the world were applying science to the creation of various miracles to scare them. People either use the principle of thermal expansion and cold contraction to create a god that will shed blood and tears, or use a magnet to create the effect of a god floating in the air, or use the mechanical principle to make the idol suddenly move. It can be said that many of the so-called miracles in this world are actually classic inventions.

Could it be that Duan Zhi has such a strange book in his hand? Thinking of this, Cai Ji hurriedly asked, Brother Duan, do you have this book? ”

"Such a divine book, if Zhi is lucky enough to take a look, he will have no regrets in this life." Duan Zhi pursed his lips and sighed unusually yearningly.

So there are no regrets in this life? When this girl is free to write a book of junior high school chemistry or junior high school physics, don't you want to read it that day? Cai Ji thought about it in his heart, but on the surface, he still sighed with Duan Zhi and said that it would be a pity. ”

Duan Zhi saw Cai Ji sighing together, and immediately regarded him as his confidant. I saw that he waved his hand, but persuaded Cai Ji and said that Brother Cai Xian should not be discouraged. Although Zhi didn't have the opportunity to see "Wanbi Technique", this thunder and fire was still made by Zhi. ”

"Brother Duan made a thunderous spitting fire? Can you give Ji a look? Cai Ji asked curiously. Although she doesn't know what "thunder and fire" is, it can be seen from the literal meaning that this should be similar to fireworks. Anyway, I came here to see the fireworks more than 1,800 years ago. What's more, he can get closer to this Erlang.

Sure enough, Duan Zhi heard that Cai Ji was interested in his little invention. Immediately happily danced with his hands. Absolutely. Brother Cai Xian, please come with me. ”

Under Duan Zhi's guidance, Cai Ji soon came to a large room similar to a workshop. I saw that there were all kinds of wooden models and bronze products stacked inside, and Duan Zhi, who was shuttling through it, looked like a scientific madman in the Eastern Han Dynasty. In fact, many inventors emerged in the late Eastern Han Dynasty. For example, the well-known Zhuge Liang and his Huang Shuo, such as Ma Jun, who invented the keel waterwheel and is known as the world's most ingenious. It's just that Zhuge Liang and Huang Shuo are of the same age, and they should be in the stage of studying hard and making progress every day. Ma Jun's birth year is unknown, but it can be seen from his appearance as Emperor Wei Ming that this person is now a boy at most. Since far water can't save the near fire, Cai Ji can only develop talents that can be cultivated nearby. Originally, she only thought that Duan Zhi was obsessed with alchemy, and maybe she could guide her to become a chemist. But at this moment, looking at this room full of mechanism models, Cai Ji couldn't help but think about whether to cultivate Duan Zhi in the direction of Leonardo da Vinci.

So Cai Ji played with a wooden bird that was half-hung in the air and asked in amazement, "These are all made by Brother Duan?" It's amazing. ”

"Compared to alchemy, these are all carving insect tricks." Duan Zhi said disapprovingly while burying his head in search of his invention.

"Oh? Brother Duan is so eager for immortality? Cai Ji asked tentatively. In her opinion, it is an extremely sad thing for a young man with such a high IQ to indulge in the eternal life of nothingness all day long.

"Zhi doesn't seek immortality, he only seeks to practice a golden pill that can live forever after eating." Duan Zhi thought about it sideways and replied casually.

Cai Ji smiled bitterly when he heard Duan Zhi's answer, and couldn't help but sigh that this was really a typical logic of a scientific madman. However, at this time, Duan Zhi had already found a pitch-black jar from the shelf, and it was facing Cai Ji. Brother Cai Xian, why don't we go to the yard and try this thunder and fire? ”

"Okay." Cai Ji nodded, and followed Duan Zhi out of the workshop to a clearing in the courtyard. I saw Duan Zhi easily put the jar on the ground, and then lifted the lid and inserted a fuse similar to a fuse. After taking out the fire fold and igniting the lead, Duan Zhi jumped up like a rabbit and immediately pulled Cai Ji to the side.

I heard a muffled sound on the ground, and a ball of fire came out of the jar, followed by clusters of green sparks gushing out, like fire trees and silver flowers, which was interesting.

And Duan Zhi, who was the maker of zuò, raised his head proudly and asked Cai Ji Brother Cai Xian, this is thunderous and spitting fire, right? No Fiction Network Lots of Words"

For Cai Ji, who has watched many fireworks shows in his previous life, the so-called 'thunder and fire' is not counted. But in the late Eastern Han Dynasty, where even fireworks were extremely rare, such simple fireworks could be regarded as ingenious. Even with a little embellishment, in the eyes of the majority of the uncivilized Eastern Han people, no, it should be said that such a miracle can be called a miracle in the eyes of the vast majority of human beings in this era. Therefore, at this moment, Cai Ji looked at the green fireworks in front of him that had gradually been extinguished, and a new idea suddenly sprouted in his mind. But I saw her pointing to the jar on the ground and asked, Brother Duan, is this thunderous and spitting fire difficult to do? How many can you do in a day? ”

"It's not difficult. Let the subordinates do it according to the recipe, an altar like this can make four or five altars a day. Duan Zhi replied bluntly.

"If the utensils are turned from the jar to a bamboo tube, and the lead wire is passed through the oilcloth to seal the mouth of the cylinder, will it affect the effect?" Cai Ji asked deliberately in a guided manner.

"Charge with a bamboo tube and seal it with a tarpaulin? It's an interesting idea. I'll have to go back and try. Duan Zhi turned around and smiled at Cai Ji, it turned out that Brother Cai Xian liked mechanical techniques. In the future, we will have to learn from each other. ”

"Ji is just scratching the surface." Cai Ji said and changed his words again, not to hide it from Brother Duan, Ji came to visit today to ask you to make gunpowder according to the previous recipe and use it on the battlefield. However, today, when I saw Brother Duan's thunder and fire, Ji also felt that this thing could become a sharp weapon with a little modification. Brother Duan may laugh at Ji Ji and destroy the heavens. It's just that Donglai is really weak at the moment, and Ji is too shou to protect the safety of the party, so he has to resort to mechanical techniques. ”

Although Duan Zhi is obsessed with alchemy, it doesn't mean that he is really a person who doesn't eat fireworks. Therefore, after listening to Cai Ji's heartfelt words, he immediately bowed over to Cai Ji in awe, and said that Xiaofujun always cares about the people, please accept Zhi's worship. You can rest assured that Zhi will do his best to make gunpowder and spit fire with thunder. ”

Cai Ji couldn't help but be overjoyed when he saw Duan Zhi getting serious. Hurriedly bowed down and saluted that with Brother Duan's help, Ji can rest assured. However, the gunpowder matter is related to the military aircraft, and Brother Duan is asked to keep it secret. ”

"Oh, Zhiding is tight-lipped and will never spread the word." Duan Zhi responded with a fist.

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