Chapter 53 Arrogant American

Half an hour later, after browsing through all the manuscript data, Xu Chuan finally raised his head and looked out the window, as if he wanted to see the country on the ground through the dark night.

"You really look down on me for this step of design. Are you sure that none of us can solve the previous relationship?"

In front of the desk, Xu Chuan looked at the dark night sky and muttered to himself. After reading the information in his hand, he had found the corresponding rules of the ciphertext using functions.

Compared with the previous strict defense, in this last step, the opponent's design is simply open to the door.

The rule design of the last step is actually very simple.

Those who have studied functions know that most of the complex functions in the world, except for a very small part, are composed of two or three or more functions.

This also means that a complex function can be split into several elementary functions as needed.

And these encrypted messages use this simplest method. They split a function problem into a date and insert it into the plaintext.

In this way, we only need to determine the basic functions and elementary functions to be used according to the date to determine the final complex function.

The date numbers of each year and each day will not be repeated, just like today is March 8, 2015, and the number sewn into the plain text after splitting is 20150308.

The specific position can also be determined. The first number is the second in the first row, and so on. If there is a zero, the corresponding row number is left blank.

This extremely simple incorporation can be discovered by anyone who is slightly sensitive to mathematics.

The difficulty is about the same as the pattern finding game played by elementary school students.

So Xu Chuan said to himself that the pattern design of this last step really looked down on people. He was sure that they could not solve the previous rules and could not write the corresponding numerical model, so he didn't care whether it would be discovered.

After thoroughly uncovering the secrets behind the encrypted message, Xu Chuan sorted out the manuscripts. After being familiar with various rules and data, he left the original ciphertext and plaintext manuscripts that needed to be returned, and all other drafts and calculation data were burned and flushed into the sewer.

He couldn't take these things away, but staying here would be a disaster for him, and it might expose his secrets, so it's better to be cautious.

Let alone the domestic situation, if the United States knew that this information war was solved by a high school student like him, he probably wouldn't have any peaceful days in the future, and he wouldn't be able to step out of the country again.

But he couldn't not go abroad, and many theories and technologies in his mind were waiting for him to replicate with the help of the particle collider at the European Atomic Energy Laboratory.

After his rebirth, he still chose Sanjiang College as his university, not only because of his feelings, but also because of the path and opportunities he had taken in Sanjiang College in his previous life.

Just like he followed his mentor to CERN several times in his previous life, some opportunities only appear in specific places.

After finding the mathematical laws and secrets behind the encrypted messages, Xu Chuan was relaxed.

Although the matter has not been completely resolved yet, he believes that it won't take long for the corresponding mathematical model to be written.

He can't help much with the rest of the work.

He is not familiar with programming and cryptography, and he doesn't need his help. There are still many talents in these two areas in China.

For him, the most important goal of high school has been achieved, and he can prepare for IMO, IPHO and college entrance examination with peace of mind.

Although participating in such competitions as a reborn person feels a bit like bullying a child, after all, no one has ever won the gold medals of these two competitions in the same year.

Xu Chuan still has some expectations for this new achievement.

Moreover, it is a pity that he did not get the absolute winner in IPHO in his previous life. He has the opportunity to make up for it in this life, so he naturally does not want to miss it.

The next day, in the early morning, Xu Chuan woke up at dawn.

He ran a few laps on the playground of Sun Moon University, which can be regarded as recovering the exercise that he had stopped in recent days.

In the morning, he did not go to the Information Building, but took a good walk around the campus of Sun Moon University, and slipped into a classroom to listen to an open physics class.

College life and high school life are two completely different lives. In high school, there will be teachers watching you study, and actively looking for you to ask questions and investigate.

But college is an environment where you actively acquire knowledge and accept information, and show it to the society more than the learning course itself. Except for the final exams, few teachers care about how you study.

Open classes like this are a good place for students to prove their own ideas.

Although it is a university course, Xu Chuan finds this class very interesting. Its core theme is the "thermal invisibility" effect, which is a very cutting-edge topic in the physics world.

The concept of invisibility has always been a popular element in science fiction novels and science fiction movies.

After all, it can come up with a lot of weird stories.

What interested Xu Chuan in this class were some ideas proposed by some young students in the class, or should I say seniors.

One senior proposed a new concept of "thermal invisibility clothing" in class.

In his concept, this kind of clothing is composed of countless small chips, each chip has its own processor, and can call on the information of all people's eyes, and can form images, emit light, dissipate heat, cool, and be breathable.

When a person wearing an invisible cloak appears, each chip in the cloak will image the image that the observer originally saw at your location according to the observer's visual information.

This invisible cloak is not only visually invisible, but also has the ability of "thermal invisibility", which can avoid detection by thermal imagers.

The idea is very whimsical, and it is unlikely to be realized with current technology, but it provides Xu Chuan with another brand new idea.

In his previous life, he majored in physics and minored in materials. He also has a deep understanding of materials.

Although this chip invisible cloak is not very realistic, it is not impossible to achieve optical invisibility and thermal invisibility.

In his previous life, he studied a lot of materials. Some nanomaterials can achieve quantum confinement effects through specific means, and use this effect to adjust the band gap of the material, thereby producing some unique photoelectric effects.

Simply put, there is a material that can project different images at different angles like a multi-faceted mirror, so as to blend with the surrounding environment, thereby creating a blind spot that people cannot see through, making the objects hiding inside invisible.

However, Xu Chuan did not go deep into this idea. He briefly thought about it and recorded it in his brain before stopping.

The greatest value of invisibility should be in the military, but this is something he cannot touch at the moment.