Du Jiajia successfully got the two kittens, and gave them a hug to tell them to be obedient, and then watched the two cats jump away.

At the end of the line of sight, Xiao Huang still couldn't help but give the white cat a paw.

Du Jiajia, who returned indoors, was welcomed by everyone, because most of them realized a problem, if she could really recruit a dozen cats and take turns to come over every day, maybe Qiming's security problem could be completely solved in the future.

"Do you want to give the little white cat a name?" He Ying said with a smile.

"Ready-made, Xiaobai!"

The name is so logical that it comes naturally.

As a result, Du Jiajia has two great generals, Xiao Huang and Xiao Bai, and he is very busy every day.

……

Dong Junwei spent far more time on the second carton than the first, because there were a lot of things inside, and they were all things that had nothing to do with kitchenware.

two tape measures;

a mouse;

a tin box of tea;

a large roll of wire;

two hot water bags;

A few pieces of styrofoam for collision protection.

This carton looks like it has some personal belongings, it is very messy and messy, and things like tape measure wires and other things, even Wei Dalei can't move them without dividing them.

But with the troubles comes surprises.

Chen Dui, in particular, is very interested in some of these materials.

The first is Styrofoam.

It's very lightweight, so it should be easier to control, but the problem is that styrofoam, also known as porous plastic, has countless tiny holes in the middle, which is extremely unfriendly to Chen.

But after reaching out and trying.

Chen Du was pleasantly surprised to find that the difficulty of control was far lower than he imagined.

Tang Jing thought for a long time and said, "This kind of foam plastic, the density is about 01g/3, but in terms of structure, it should really not be suitable for you to use." ”

"But it was a lot easier than I thought."

Chen Du separated a piece of styrofoam two or three times larger than his own body and instantly made a long sofa.

Dong Junwei and the others only felt a flower in front of them, and the speed was incredible.

He Ying touched the white sofa with her hand, and then took the lead to sit down.

After Wei Dalei sat down, he said, "It doesn't seem to be as soft as the previous styrofoam." ”

It was the first time for Chen Du to make a sofa, and the appearance was quite realistic, but the size was not very accurate, and it was basically more than doubled, especially the height of the cushions, and even caught up with the high stool.

Of course, Wei Dalei is very relaxed, Dong Junwei, Tang Jing and others are also tall enough, but Zhao Xiaoyan and Du Jiajia have to jump a little before they can sit on it.

The most troublesome thing is Gu Yinglong, the position she chose happened to be by Wei Dalei's side, Lao Wei didn't pay attention at first, and then felt that someone next to him was dragging his clothes, and when he looked back, he saw that Gu Yinglong was struggling to climb onto the sofa, so he casually lifted her up.

"Because we're too light now, we don't feel as soft as we used to be." Du Jiajia pressed the surface hard.

"It looks like it can be used for a lot of things."

"Build a house?"

"That's not going to work, it's too easy to break."

"Hardness is really a problem, and the service life will not be very long, so it doesn't seem to be very useful."

"It's still kind of useful." Tang Jing smiled: "But we have to see Chen Duan's ability first." ”

Instead of considering the actual use of the bubble for the time being, Chen Duan wondered how easily he could manipulate it.

Tang Jing said again, "In this way, the concept of specific surface area is not complete enough. ”

"How?"

"Actually, there are a lot of holes in a material like cement, but it's not that difficult for you to use, and it seems to be in line with the density setting."

"That's right."

"In this way, our understanding of dense objects seems to be a bit skewed." Tang Jing thought for a moment, and then said, "Perhaps, we also have to add the problem of the adhesion of the object." ”

"Huh?" Chen Du was puzzled.

Tang Jing said, "The fabric is still different from the foam in front of you, although the latter has the same specific surface area, it still belongs to a whole, but the fabric is different, although a cotton thread is composed of countless cotton threads, but it is just artificially kneaded together, and it can be separated at any time, just like knitting a sweater with wool, and the sweater can also be drawn into wool at any time, and the two can be continuously converted into each other."

"But foam and cement are different, their overall form is composed of intermolecular forces, and once artificially separated, they cannot be combined in reverse." Tang Jing explained.

"I see." Chen Du nodded, "That's why it's more difficult for me to manipulate liquids and gaseous substances. ”

Tang Jing smiled and said, "Yes, the intermolecular force of liquid is greater, and gas, it is already difficult to identify as a whole, you think you are releasing the ability to air, but in fact, you are only ...... to a molecule."

When Tang Jing said this, he suddenly stopped, and Chen Du had already uncontrollably expressed a sudden application, and the two glanced at each other in a very tacit understanding.

Then he said in unison, "Conductive!" ”

"I didn't expect to solve two problems at once."

The happiest person is, of course, Chen Duan, until this moment, he has a little deeper understanding of the connotation of his ability.

Tang Jing said, "We can make such an assumption, from the point of view of the property of changing the shape of the object, the level of influence of your ability can only reach the molecule, then, when the intermolecular force is stronger, the easier your ability will be transmitted, because of this, the solid is the easiest to control, and the gas is almost uncontrollable."

"But on the other hand, the greater the mass of the molecule, the more difficult it is to control. Because under the same conditions, the greater the relative molecular mass, the greater the density, so we always thought that density was affecting your ability.

"Both of these aspects affect your abilities at the same time, so the conclusion is ......"

Chen Du took over the conversation: "The effect of ability is inversely proportional to the relative molecular mass and directly proportional to the intermolecular force. ”

"Perfect!" Tang Jing clapped her hands.

"That...... What are you talking about? Wei Dalei sat on the sofa made of styrofoam, listening to the discussion between the two getting louder and louder.

Dong Junwei and the others basically understood.

He Ying asked, "You say, will all the abilities that affect the properties of objects have this characteristic?" ”

"It's a good idea, it's very scientific."

Tang Jing said with a smile; "We here, at present, only Lu Liangliang and Lu Shanshan's abilities belong to this category, and with my previous observations, it seems that they do meet this characteristic."

"Does that count as summing up a little bit of the rules of the ability?"

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