Fu Yi, with a bewildered look on his face, successfully sneaked into their secret base under the guidance of Jiang Yu.
His younger brothers and sisters didn't realize that he was a fake and discussed academic issues with him very enthusiastically.
Fu Yi didn't understand a word he heard and could only respond vaguely. He began to admire his sister more and more. She was much better than he had seen and was not at all the unsuccessful person as rumored.
Jiang Yu pulled his arm warmly and chattered incessantly about his research over the past few days. He also discussed metal materials and smelting methods with Xie Ning'er from time to time, all of which he could not understand.
Fortunately, Jiang Yu likes to ask himself questions and answer them. As long as you don't deny him, he can narrate the whole thing through asking himself questions and answering them.
Fu Yi half-guessed and half-agreed, and then he knew all the information about this secret base.
Lin Fuxue didn't understand what Jiang Yu and Xie Ning'er were talking about, but she was a passionate and lively chatterbox. Although she didn't understand these academic things, she could chat with them enthusiastically.
She talked to Jiang Yu almost the entire time, and both of their voices were so soft and pleasant.
Fu Yi felt as if he was surrounded by a group of noisy cats, meowing in his ears non-stop.
Xie Ning'er doesn't talk much and blushes when she does. But the topics she discusses are all about geological exploration and metal smelting, which are very profound.
She also talked about how she had used homemade exploration tools to dig up a starlight cat's eye deposit.
Fu Yi felt only great admiration in his heart.
What talented people are Xuer’s friends!
Passing through the long wisteria corridor, Jiang Yu led them through many twists and turns and finally arrived at the house with the light and shadow starry sky dome.
He showed the three some of his works and research.
Most of what Chen Xu studied were weapons, such as crossbows, city defense equipment, siege models, clockwork and gear devices, trap mechanism models, etc., basically things used in war.
Jiang Yu's research covers a wider range, including tools, agricultural implements, handicrafts, engineering water conservancy equipment, etc.
"Did you make all these?" Fu Yi stared at the dazzling array of inventions in the room in amazement, as if he had arrived in another world.
A brand new world created by his sister and Jiang Yu.
"Huh? Brother Xu, what are you talking about? Didn't we do all this?" Jiang Yu tilted his head, looking confused.
He then looked at Fu Yi carefully and said in confusion, "Brother Xu, I didn't notice you just now because you were sitting there. How come you've grown so tall?"
He suddenly cried out, suddenly realizing, "You are not Brother Xu! Ahhhhh... You, you are!"
Fu Yi smiled bitterly helplessly. Jiang Yu's attention was completely attracted by the mechanical arm. He didn't even recognize whether he was Xu'er and brought him into their secret base.
"He is Brother Ao."
Seeing his startled expression, Lin Fuxue asked in confusion, "That's what Brother Axu looks like. He even took us on a tour of the Marquis's mansion, and everyone in the mansion calls him the eldest young master."
"Ah, the eldest young master of the Marquis' Mansion is the great, great devil..." Jiang Yu's face turned red with fear and he couldn't speak clearly.
"Huh?" Lin Fuxue also looked terrified and quietly took a few steps away. It seemed that the Great Demon King's reputation was so far-reaching that it frightened his younger siblings.
"What's wrong with you?" Xie Ning'er looked at the two people's terrified expressions, then looked at Fu Yi suspiciously and asked, "If he is not Brother Xu, then who is he? Isn't Brother Xu the only prince in the Marquis' Mansion? Who is the Great Demon King?"
"Ning'er, you don't know this, but Brother Axu has an older brother who's a demon king. He's got a dark face, horns on his head, a mouth full of fangs, and fire spurting from his eyes. Because he scares children every time he returns to Kyoto, his mother keeps him locked up in the southern border, specifically to scare the southern barbarians."
"Uh... where did you hear these rumors?" Fu Yi listened with a dark face as Lin Fuxue described the big devil she knew to her friends.
Xie Ning'er asked her puzzledly, "He clearly doesn't have horns or fangs, and didn't you say that Brother Xu looks like this?"
Lin Fuxue was speechless for a moment, and looked at Fu Yi with her beautiful eyes as gentle as peach blossoms, feeling unsure for a moment.
Jiang Yu also felt that what Xie Ning'er said made sense, and that face was very similar to Shen Xu's. He scratched his head and said vaguely: "I must have slept too little recently, and I am a little dizzy.
Oh, brother A-Xu, I have finally succeeded in making something that I spent several days thinking about but couldn’t make last time.
Fu Yi: "..." Can you get away with this?
Jiang Yu mysteriously lifted a piece of cloth, and saw a black mechanical device placed on the ground.
The bottom of the device looked like a stove, but on top of the stove was not a pot, but a metal barrel. The end of the barrel was connected to a complex mechanical device, and there was a wheel on the side.
The three of them gathered around curiously, "What is this?"
Jiang Yu added some firewood into the stove. After a while, with bursts of white smoke coming out of the connection between the barrel and the mechanical device, the device started to work and the wheels on the side also started to turn rapidly.
The three of them looked at each other, not knowing what the effect would be.
Jiang Yu explained: "If you keep adding firewood to the stove, the wheel will keep turning, and we can use this rotating wheel to do many things instead of human labor.
For example, we could make a waterwheel for irrigation. People wouldn't have to work so hard pumping water manually."
Jiang Yu roughly talked about the applications of this device, and the two girls' minds were immediately opened up. They talked about what could be done one after another.
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