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"In the courses we have studied, whether it is gravitation or electrostatic force, they all have one thing in common. The formula for describing the strength of force is inversely proportional to the square of the distance.

They are the law of gravitation and Coulomb's law, and their common feature is called the inverse square law."

Huanggang Middle School, in the classroom of Class 5 of the second year, the physics teacher saw the classmates looking listless, so he prepared to talk about extracurricular content to refresh the students.

On weekdays, in this case, it is nothing more than those topics. Teachers create cross talks, scientists’ gossips, some latest achievements in scientific research...Of course, this is also a good time for teachers to sell private goods. .

The students under the podium all put down their work, raised their heads, looked at the teacher with expectant eyes, and enjoyed the rare good time in this day.

The only student named Liang Shicheng still wrote down the problem-solving process seriously in a notebook.

"Not only gravitational and electrostatic forces are like this, but even magnetism, also known as ampere force, has such properties.

Two parallel wires are connected with current respectively, and the same ampere force will be generated between them, attracting or repelling each other.

I can tell you now that the ampere force generated between two parallel wires in an ideal state also has a formula."

As soon as the voice fell, the physics teacher found a space on the blackboard and wrote a formula Fa=kI1I2L^2, and the students picked up notebooks and pens to write down.

"Don't remember everyone! This won't take the exam!"

"In this formula, there is no need to know the strength of the magnetic field. You only need to know the current strength of the two wires and the distance between the two wires to calculate the ampere force attracted to each other.

According to this formula, the ampere force at this time is also inversely proportional to the square of the distance between them, and the inverse square law can also be seen."

The teacher stopped to take a sip of water and gave the students time to think.

"There must be a deeper reason why nature favors the inverse square law so much.

If anyone can find the connection between the three of them, find out the mystery.

Then whoever can get the Nobel Prize in Physics."

At this moment, Su Chang, Liang Shicheng's lesbian seater, poked his arm and said to him:

"Hey, don't you have any thoughts on this question?"

"This way is nowhere."

Liang Shicheng finally stopped the work at hand, found a draft paper on the table, and wrote a formula.

Gμν=Rμν-12Rgμν=8πTμνGc^4

"This is the gravitational field equation, this is the original face of gravity.

The concept that the teacher said is more strictly called the inverse square of the mental power. In this equation, gravity is not the inverse square of the mental power at all.

In addition, according to the gravitational field equation, gravitation is actually nonlinear, but the electric field in electromagnetics is linear.

So in fact, the two things of gravity and electrostatic force are very different in more advanced theories."

Su Chang was already quite familiar with this scene and nodded habitually.

And Liang Shicheng continued to add:

"As for the deeper relationship between magnetic force and electrostatic force, according to the interpretation of relativity, magnetic force is the relativistic effect of electrostatic force.

You can write down this proof process by giving me a piece of paper, but proof that this thing will definitely not win any Nobel Prize, because this is in the popular teaching material Feynman lecture."

After listening to Su Chang's emotional sentence, "The current education situation is that the students who used to go to the middle and lower grades in school are the children of the top students."

Soon after class bell rang, Liang Shicheng just got up from his seat and planned to go to the corridor to get some fresh air. Suddenly he felt a soreness in his chest, and an inexplicable sense of loneliness hit his heart. He felt difficult to breathe. Finally fell into the classroom.

"Liang Shicheng, what's wrong with you...come soon..." I remembered the voice of my classmate.

In a blink of an eye, more than ten years have passed, and the initial symptoms have improved for a while, and recently they have relapsed.

An attending physician in the third hospital said earnestly:

"Oh? You mean, this kind of discomfort happened when you were young, but it didn't attract the attention of you and the school, so it's nothing?

Why didn’t you do a comprehensive examination earlier? The good news is that it is still benign at the moment. It is just because it oppresses the nerve and causes abnormal discharge. If you want to cure your current illness, you just need to remove it as soon as possible ."

"No, I really can't spare this time now, including postoperative conditioning." The patient Liang Shicheng said calmly: "Just like last time, give me some drugs that can relieve this feeling. That's it."

This is the current Liang Shicheng, his ability is not low, but he has been teased by fate.

Liang Shicheng worked in an unmanned aerial vehicle company. After years of hard work, he finally became the head of the company's software department, managing more than a dozen people.

This is a precious opportunity for him, just when he needs extra energy.

And at this juncture, a bad news hit. He was checked out that there was a tumor in his brain. The initial impact was that he would feel a strong sense of loneliness from time to time, followed by a feeling of decadence. Sometimes he can't concentrate and devote himself to work.

For mental illness, most people don't actually go to the hospital for examination, and many of them don't even know their abnormality.

Liang Shicheng also found out after entering the hospital that his current condition was very abnormal, and it was caused by an abnormal electric discharge in his brain.

The doctor took the functional MRI scan that he had done before, pointed to it and told him that this situation did not happen in a short time, or that he was abnormal since he was a child. This state should have seriously affected his life.

Liang Shicheng just retorted disapprovingly: "This is impossible. I think I have always been very normal, but it happened occasionally recently, which slightly affected my work efficiency.

I mean occasionally."

After buying medicine on the first floor of the hospital, Liang Shicheng stepped out of the door of the hospital. Although the psychotropic drugs he took during this period improved his condition, his mind was not clear, and the whole person appeared listless.

Then he returned home non-stop, and took out a box of salted peanuts with a lot of salt and a bottle of Coke from the refrigerator. At this moment, Liang Shicheng felt like a walking dead, only these things in front of him could arouse his spirit a little.

"When can I end this state."

I had a simple dinner, and after a little bit of a daze, I sat at my desk and continued to work. I was busy until midnight, making up for the time lost during the day, and the task of the day was finally completed.

When he woke up at seven in the morning the next day, Liang Shicheng looked at his phone and decided to give himself a 2 minute nap before getting up.

But after closing his eyes this time, he saw a line of shiny words in the dark background.

HistoryPoints swapMode switch

Liang Shicheng felt that something was wrong, and immediately opened his eyes, and then the line of words disappeared, his sight was the ceiling of the room, everything was normal.

But after closing his eyes and seeing the line again, Liang Shicheng suddenly became energetic, and he was completely drowsy.

"I can't manage so much, I'll go to the company and study."

Pushing open the door, a bright sunlight rushed over his face. There was a familiar road in front of him, but something strange happened to the pedestrians on the road.

Liang Shicheng noticed that at this moment everyone had a few lines of Chinese characters on their heads.

Because he was moving and couldn't see clearly, Liang Shicheng carefully stared at one of the nearest passers-by, but was glared by her.

It seemed that this group of people didn't think they were any strange, and they rushed along as usual.

Liang Shicheng understood at this moment that only he could see the words on these people's heads.

Coming to the company, as expected, every employee of his subordinates also had those lines of Chinese characters on his head.

Liang Shicheng looked at one of the employees carefully, who smiled at him with coffee in his hand.

Work efficiency18%

Wakeness48

Glucose content35

Brain Supply20

Concentration30

"What a mess this is."

The attributes shown on other people's heads are slightly different in some values, but are generally similar.

The following four attributes, Liang Shicheng, do not understand the usefulness for the time being, but he is very interested in the work efficiency at the top. The work efficiency of the employees ranges from 15% to 22%.

At a glance, after reading the attributes of the employees, Liang Shicheng cared about himself.

So Liang Shicheng raised his head and looked at the ceiling, but he didn't see anything, so he had a brainstorm and took out his mobile phone from his pocket as a mirror to take a picture.

[Work efficiency] 3%

Wakeness5

Glucose content25

Brain Supply8

Concentration3

"How can my efficiency be like this!!!"