Lü Xiaoyu felt that Yun 'an City wasn't very safe. They hadn't even walked for two kilometers, and there were already over ten girls sneaking glances at Lü Shu.
At this moment, Lü Shu suddenly said, "I'll stay with you in Yun 'an City for a few more days. After we make a decent living, I'll report to Wu Weijun. That way, I can walk around the city more and familiarize myself with this Lü Zhou world as soon as possible, so …"
"You can go to Wu Weijun now," Lü Xiaoyu said calmly.
Lü Shu, "???"
"Negative emotions from Lü Shu, + 666!"
But Lü Shu couldn't really go to Wu Weijun now. He had to make arrangements in the city first.
Lü Shu suddenly asked, "I've observed carefully. Zhang Weiyu and the others use the leaves of a plant to wash their clothes. I asked him if he had any other cleaning methods, and he said that everyone uses the same leaves, and they're quite useful. So, there doesn't seem to be anything like soap here. The process of making soap is quite simple …"
Lü Shu had read that the invention of soap was actually a coincidence. It was said that someone accidentally spilled grease on an extinguished charcoal wood. He was afraid that it would cause a fire, so he hurriedly carried the wood and grease out. When he washed his hands, he found that they were very clean.
Sometimes, such coincidences were inevitable. Even if there weren't such coincidences, scientists would have discovered them while studying chemical elements.
But this Lü Zhou world was different. First of all, there weren't many people who devoted themselves to chemical research. Secondly, such coincidences hadn't happened yet.
While Lv Shu was feeling smug about his idea, Lu Xiaoyu was shocked. "Are you going to use the fertilizer soap when you don't have any?"
Lü Shu, "… What do you mean?!"
Originally, Lü Xiaoyu thought that it might be safer for Lü Shu to go to Wu Weijun, but now it seemed that it was not safe for him to go to Wu Weijun!
Lü Shu felt that there was something wrong with Lü Xiaoyu's words. If there was no soap, wouldn't he be able to earn money by making his own soap?
In this era, it was definitely unrealistic to use technology. It was also unrealistic to make something too outrageous. The people here might not be able to accept it. Therefore, daily necessities were the easiest to sell. The cost of making soap was not expensive.
Lü Shu carefully analyzed, "You see, in fact, the ancient people's process of making soap is very simple. You just need to boil it with caustic soda and lard. I've looked around and there's no caustic soda here, but we have two ways. One is to burn the ash to make our own soap, and the other is to find a caustic soda mine! The first, of course, is this method. It's a bit slow to make caustic soda using the ancient method. It's best to find a caustic soda mine. With Anthony's ability, I don't think it's difficult to find a caustic soda mine. Once we find caustic soda, we can mix it with lime to make caustic soda. There is lime here. I just noticed that lime is used to build houses in this city! "
Caustic soda was developed and used relatively late on Earth, so it was normal that it was not available here. However, it did not mean that it would be difficult for Lü Shu. At most, he could just burn the ash and slowly process it.
Lü Xiaoyu looked at Lü Shu in a daze. She realized that Lü Shu was serious. This guy was really going to make soap!
Lü Shu said proudly, "If this Lü Zhou world enters the technological side in the future, I might even be able to write my name in their history: The Maker of Soap, Lü Shu!"
"That's not something to be proud of." Lü Xiaoyu complained.
"You don't understand. Science is an art. The more you study it, the easier it is to discover the greatness of this world." Lü Shu sighed. "But this world has taken a different path. They fuse the laws of nature with themselves, so I'm afraid they don't care about basic science."
Nobody was right or wrong. These were two different paths. Humans invented technology to make use of technology, but Lv Zhou's world took a different path. Because they were already very powerful themselves, they didn't make use of technology but rather 'spells', which was why the progress of technology was probably very slow.
This was the result of individual strength. Lü Shu thought about it. Maybe in some other world, there might be creatures who had developed technology to the point where they could compete with the Divine King, but no one here really cared about that.
"Then do you think the cultivators here have spells to clean their clothes?" Lu Xiaoyu also became serious. She asked curiously, "If there is, then wouldn't we have done this for nothing?"
Lü Shu laughed. "We can just sell our soap to the commoners. You see, eighty percent of the people here are commoners. That's the market. We don't need to sell to the cultivators."
"That's true." Lü Xiaoyu suddenly felt a little sad. Lü Shu was going to make soap.
And he even called himself the inventor of soap? How shameless …
Lv Shu couldn't help but get excited. "We don't even have enough godnotes to stay in the tavern for two days. Do you have anything we can sell?" "That's right," Yang Qi said.
Lü Xiaoyu looked at Lü Shu warily. "What do you want to sell? I have gold bars, but they don't want them here. "
This was indeed a headache. Gold had become a useless thing in this place …
Lü Shu thought for a moment. "Anything else?"
Lü Xiaoyu said, "I want to buy a belt for you. But the pants here are different from ours. They don't need belts, and they don't recognize brands."
Just then, a vendor passed by, selling candied haws. Sticks of red candied haws were stuck on a stick the vendor was carrying, and a group of children chased after him. Lü Shu chuckled and asked Lü Xiaoyu, "Do you want some?"
"No," Lü Xiaoyu said, shaking his head. "We still need to keep our money."
Lü Shu looked at Lü Xiaoyu. On the eve of the revival of spiritual energy, Lü Xiaoyu had been clamoring for candied haws at the temple fair. Two years had passed in the blink of an eye, and Lü Xiaoyu had grown up and become more sensible.
Time would change a person inadvertently, and Lü Shu believed that both he and Lü Xiaoyu were changing in the direction that he had hoped for.
Lü Shu stopped the vendor. "One stick of candied haws."
He bought it and stuffed it into Lü Xiaoyu's hand. "Just leave one for me."
"Mmm," Lu Xiaoyu answered and lowered her head. No one knew what she was thinking.
It was as if the world had never changed. Or rather, the world had changed, and the only ones who hadn't changed were her and Lü Shu.
They were poor at the time, but she knew that Lü Shu would find a way.
Lü Xiaoyu didn't like this world very much, and there was always an inexplicable sense of rejection. But now, that rejection suddenly disappeared.
It was because Lü Shu was here. Where Lü Shu was, everything was the same.
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