Boss, I suggest you do a physical examination. After all, frequent nosebleeds for two months in a row may be a sign of leukemia... "
Qian Wenhuan recalled that Chen Chen had experienced the same situation two months ago and looked worried. "You're only twenty-two years old this year. You still have a lot of time to squander. Don't overwork yourself into a disease. After all, you've built such a large empire. If you fall, it'll be handed over to others..."
"Don't worry, didn't I just do a blood test some time ago?"
Chen Chen waved his hand. "I just have a bad temper, it's fine."
"Alright..."
Seeing this, Qian Wenhuan could only nod and take out the iron box. "This is what you want."
"Is it functionalized graphene obtained through oxidation?" Chen Chen asked.
"I think so..."
Qian Wenhuan scratched his head. "I heard from Professor Farah that this thing is harder and tougher than ordinary graphene sheets. However, in order to maintain this strength and toughness, Professor Farah stacked this graphene to 100 layers. He said that this thing is very dangerous and should be used with care."
"100 layers of functionalized graphene?"
Chen Chen nodded and reached out to take the iron box. "That's fine, that should be enough."
After sending Qian Wenhuan away, Chen Chen locked the door of the laboratory again.
As the opening date of the Eco Science City approached, Qian Wenhuan was extremely busy preparing for the opening ceremony of the Eco Science City. Even so, no matter what Chen Chen ordered, Qian Wenhuan would come in person every time.
This was a token of his sincerity.
Chen Chen shook his head. It seemed that he should give Qian Wenhuan a promotion in the future as compensation.
However, on second thought, Qian Wenhuan was already the general manager of the African Continent. There was no way for him to be promoted, so he gave up on the idea of compensating Qian Wenhuan.
With this in mind, Chen Chen took out the iron box and gently opened it. Suddenly, pieces of almost transparent sheets appeared in the iron box.
Graphene was extremely transparent. Although there were many layers stacked together, it was like glass, allowing light to penetrate directly to the bottom of the box.
As for what Qian Wenhuan said about this thing being dangerous, it was true.
After all, what was graphene? It was basically a layer of carbon atoms. A layer of carbon atoms was called a layer of graphene and the thickness of a single carbon atom was only 0.34 nanometers.
Currently, in Chen Chen's hand was a 100-layer graphene structure, which was 34 nanometers thick, only one-thousandth of the thickness of a human hair.
Moreover, this graphene layer has been specially oxidized, which means that the edge of this material will be very sharp.
The jagged edges of the graphene could easily penetrate the cell membrane of the human body and penetrate into the human body. It was extremely lethal to humans and other animals.
Graphene was first isolated from graphite by two physicists from the University of Manchester in Europe, Andre Geim and Konstantin Novoselov.
The two of them also won the 2010 Nobel Prize in Physics.
Since then, graphene had appeared in the world of physics. It was a two-dimensional crystal and was the strongest substance known to mankind. It was even harder than diamond.
It was not only the thinnest material, but also the strongest material. Its fracture strength was even more than 200 times stronger than steel.
A laboratory in North America once conducted an experiment. Before the graphene particles began to shatter, it could withstand a pressure of about 2.9 micronewton per 100 nanometers. This was equivalent to applying a pressure of 55N to break a one-meter-long graphene.
If this graphene material was made into the thickness of an ordinary plastic food packaging bag, then it would require a pressure of 20000 N to tear this packaging bag apart.
In other words, if the packaging bag was made of graphene, it could withstand an item weighing about two tons.
Now, how powerful would the 100-layer graphene sheet in Chen Chen's hand be?
Thinking of this, Chen Chen's heart jolted. Suddenly, a thin sheet that was almost transparent floated out of the box. Chen Chen looked at it and saw that this thin sheet was about the size of a poker card.
However, unlike a poker card, this thin sheet was almost completely transparent. If he did not pay special attention, he would not be able to detect the existence of this thin sheet.
Still, although this graphene was very thin, it was very tough, not much different from a poker card. Chen Chen thought about it, picked up a book, opened it from the middle, and stood it on the table.
After that, Chen Chen controlled the graphene in front of him and exerted a little force using the poker card method. Instantly, the graphene sheet in front of him flew out silently.
"Swish!"
There was an almost inaudible tearing sound. Chen Chen looked closely, only to find that the pages in the middle of the book were directly cut off at the waist!
Chen Chen carefully picked up the book, only to see that in the middle of the book, there was a horizontal gap that was ten centimeters long, from the front to the back.
The surface of the gap was extremely smooth as if the book was born this way...
This was an attack on the atomic level.
Chen Chen looked back in the direction of the book, only to see that there was a pen holder behind the book. The thin graphene layer was embedded in the pen holder, only a small part of the outside was exposed.
This power...
Chen Chen was secretly speechless. If he used this method to attack a person, what would the result be? Even if that person died, they would not know how they died.
Moreover, because it was too thin, there would not even be a sense of pain. At most, they would feel a little itchy on their neck, then reach out and scratch, only to completely lose the adhesion of their flesh and blood, and their entire head fell off with a snap...
Chen Chen did not touch it with his hands, but continued to use the power of "Field" to take out the graphene sheet, only to see that one corner of the graphene sheet had completely broken.
Seeing this scene, Chen Chen also confirmed one thing.
In other words, although the 100-layer graphene sheet could cut objects with lower strength, it still could not cut objects with higher hardness.
After all, it was still too thin.
To achieve the level of cutting metal, it would have to be a few hundred times thicker, to the thickness of the blade.
Still, although it could not cut metal, this power was enough to satisfy Chen Chen.
Thinking of this, Chen Chen aimed "Field" at the iron box again and took out all the graphene sheets inside, only to find that there were a total of a hundred graphene "playing cards" inside.
Nodding, Chen Chen put these graphene sheets back into the iron box again.
These graphene sheets were too lethal. If you grabbed them with your hands, it would be easy to hurt yourself. Also, because they were too thin, they would easily break when you used force. Apart from Chen Chen, no one else could use this as a weapon.
Just when Chen Chen had just finished the experiment, Little X reminded again, "Sir Godfather, the Meyer Shipyard in Germany has just sent a message. Your customized Blacklight cruise ship has been built and can be inspected!"
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