Yucai wanted to inquire about Wang Yizhi, but he turned his head and asked her about steaming water: "What you told me a few days ago is nothing else, but I can't figure out one of them, is it much cleaner after boiling than not boiling?" ”

Chu Yu knew that he probably wouldn't say much, so he followed him and said: "This brother of Yi doesn't know something, although the water we use on weekdays is clear and thorough, there are many dusts in this world that our eyes can't see. ”

Wang Yizhi asked slyly: "Since you can't see it, how do you know that there is all that dust?" ”

Chu Yu thought about it carefully and said, "Brother Yi, when the sunlight shines through the window some time in the morning, will you see some very fine dust fluttering in the air?" "Chu Yu has no conditions to make a microscope or something, so he can only use examples that everyone can see as a demonstration," This is the dust that we can't see on weekdays, and we can only occasionally glimpse its traces, and the water is also a general appearance, we can't see it on weekdays, but it doesn't mean that it doesn't exist. ”

Chu Yu then added: "Brother Yi, if it is common for people to boil hot water, they will know that if the boiler boils water for a long time, it will only boil water and not other things, and the inner wall of the pot will leave a layer of scale, which is also one of the proofs. "Actually, scale is the precipitation of minerals in the water, but right now, Chu Yu used it indiscriminately in order to prove his point of view, as long as he can convince Wang Yizhi, whether it is true or not, it is always good.

If Wang Yizhi doesn't believe it anymore, she can give him a face-to-face demonstration, play with precipitation crystallization or something, if it is a little more profound. She won't be able to play.

Chu Yu gave two evidences in a row. couldn't help but be unshaken, and he couldn't help frowning: "It turns out that the water used for our daily diet is so dirty? ”

When Chu Yu heard this, he was embarrassed and said that it would be terrible if he fooled Wang Yizhi so much that he didn't dare to drink water. hurriedly remedied: "You can't say that there is dust everywhere in the sky on weekdays, don't we still live well?" It's just that for experiments, the purer the material, the better, and there is no room for error. ”

"Experiments?" Wang Yizhi accurately caught the new term that Chu Yu said.

Chu Yu's mind turned sharply and explained unhurriedly: "Not bad. How can the truth be obtained without experiments in the field of experimental experiments? ”

"Wonderful!" Wang Yizhi thought for a while, and then high-fived and admired, and was very appreciative of Chu Yudi's explanation, his expression was full of joy: "If there is no experiment, how can the truth be obtained, just like talking on paper, it cannot be trusted." Brother Zichu's words should really be a warning for my generation. ”

Then Chu Yu told Wang Yizhi to wash the utensils themselves (the fastest update) when taking distilled water. How to vaporize water into gas and collect it in a clean container for condensation, although it is not a chemistry major. But the basic education he received in middle school gave Chu Yu the idea that the materials for experiments should be as pure as possible.

After carefully explaining, Chu Yu couldn't help but listen to Wang Yizhi and asked: "What you said is very reasonable, but I still have questions, how can you, as a princess, know so much about these things?" The leading boy had already left to greet the new guests, so Wang Yizhi didn't care about telling Chu Yu's identity, but he also heard this question, and Chu Yu was shocked and realized that he was speechless.

Dust fluttering in the sun, this kind of thing is something that everyone can see, not to mention, but as a princess, how can she pay attention to the boiler that boils water?

But for a while, Chu Yu couldn't find the words to remedy it, and couldn't help grabbing his sleeve and touching the hard object with his fingers, Chu Yu suddenly remembered the things he was carrying, so he took them out and handed them to Wang Yizhi, and changed the topic stiffly: "Thank you Brother Yi for your help a few days ago, and I will give you a gift in return." She took out a folded folding fan from her sleeve and handed it to Wang Yizhi with both hands to show her sincerity.

The fan is a thing that has been there since ancient times, but there is no folding fan in this era, Chu Yu specially asked someone to inquire, almost all of the feather fans used nowadays, holding fans, etc., but there is no paper fan, folding fans, Chu Yu made people make a handle a few days ago, and it is the first one in the world to use by himself, but when it was made, the weather was not hot, and she played for two days and then put it away.

A few days ago, she wanted to return Wang Yiyi's ingenious gift, and after thinking about it, she thought of this folding fan, after all, other things are too high-tech, she can't make it, and this folding fan is just a unique idea, and the craftsman can do it.

She had a ghost in her heart, and the topic was also very unnatural, with an obvious deliberate image, how others didn't know, but Wang Yizhi didn't pursue it, just smiled and took the folding fan over to look at it for a while, and the mystery of it appeared with a little curiosity, holding the fan bones on both sides with both hands, slowly opening the folding fan, and seeing the ink-colored landscape painted on the fan, the surprise in his eyes was even worse.

Chu Yu took out another folding fan and unfolded it with a movement of his wrist and smiled: "Brother Yi should do this." She picked up the folding fan and slowed down again.

Wang Yizhi also understood at a glance, and also learned from Chu Yu to unfold the folding fan with one hand, he was flexible and powerful in his hand, and soon made it more chic and good-looking than Chu Yu, and when he picked up the folding fan, Wang Yizhi's eyes could not hide his joy, but he said: "As a princess, you are too petty, and you actually took a few pieces of embroidery strips and two pieces of tissue paper as a return gift, don't you think it's too contemptuous?" Wang Yizhi has never cared about money, but he loves Chu Yu very much for ingenious things, and this gift is very satisfying to him, and the reason why he said this is just that he is happy, and he can't help but want to tease Chu Yu.

Chu Yu pursed his lips and smiled: "Naturally, it's not this pendant, but also the brother who has ingenious intentions, you might as well take a look." ”

At first glance, the fan pendant is a strip of white jade, about a finger long, although the white jade is flawless, but there are more of these things in the royal family, and I don't pay much attention to it, and I think this white jade pendant is too damaging to the elegant artistic conception of the folding fan, but when I heard Chu Yu mention it, he picked it up and looked at it carefully, but he felt that this white jade strip was also a folding fan.

A folding fan made of pure jade, because the whole body is white, the seams are too integrated, causing Wang Yizhi to be unaware before.

Slowly unfold the small white jade fan with your fingers, you can see its whole picture, each fan page is polished very evenly, thin, and the white jade is close to translucent, delicate and exquisite, as if it will be shattered with a little force.

The fan composed of white jade slices is carved with an invitation in Xiuyi font on the surface, and the reverse side is carved with landscapes, which are quite similar to the structure of the ink paintings on the paper fan, and the characters are hidden between the mountains and rivers, reflecting the meaning of the painting, but they do not overlap. This invitation was only a small number, and Wang Yizhi was invited to attend the party in Chu Yuan a month later.

Cleverly send out your own invitation on the grounds of folding fans, and also cleverly send folding fans on the grounds of sending invitations.

Although the folding fan is the crystallization of the wisdom of later generations, there is a fan outside this fan, and the idea of having words in the painting and painting in the painting is Chu Yu who came up with it himself; The delicate and delicate white jade fan was achieved by Rong Zhi after spending two days and nights carefully pondering it by himself.

Although there are craftsmen in the house, no one has done such meticulous carving.

This inconspicuous place is where Chu Yu really takes great pains.