How to solve it?

In order to let the five graduate students know the rapid growth mechanism of supermassive black holes more intuitively, Xu Mang specially used the three-dimensional software on the computer to create a dynamic diagram, and used this dynamic diagram to make relevant explanations.

"This is a supermassive black hole discovered by the Chandra Roentgen Ray Observatory." Xu Mang handed a piece of information to several people and said seriously: "It exists in the core of most galaxies, almost located at 130

1.1 billion light years away."

"This means that this supermassive black hole must have formed quickly after the death of the first batch of stars." Xu Mang paused and continued: "However, it has not yet been found that there is enough dust and gas in the early universe to explain this rapid

growth.”

Immediately afterwards,

Xu Mang took out another piece of information, handed it to the five people, and said: "This is the early quasar report data. Among them, twelve of them have hydrogen clouds with astonishing density. These hydrogen clouds are unique under ultraviolet light.

Identified by its glow.”

Well?

Hydrogen cloud?

What's the meaning?

The five graduate students looked at Xu Mang with bewildered faces, feeling a little confused as to why he took out the hydrogen cloud.

"Don't worry."

"I haven't spoken yet." Xu Mang said calmly: "These clouds composed of cold and dense hydrogen are billions of times more massive than the sun, forming halos around early galaxies. These galaxies extend from the center for about

About 100,000 light years.”

"We can draw a conclusion from this that these gas haloes are closely connected with galaxies, providing a perfect food source for the rapid formation of stars and the growth of supermassive black holes." Xu Mang said: "In other words, it is true that in primitive galaxies

There is enough food to sustain supermassive black hole growth and vigorous star formation."

"Of course, all this is my guess. If you want to know more about the formation code of supermassive black holes, you need to study the details of the original gas cloud." Xu Mang looked up at the five graduate students from the Department of Physics of Fuzhou University and smiled.

He asked, "Any more questions?"

"..."

"..."

"..."

for a time,

The hearts of the five people suffered 10,000 points of critical damage. Why could a problem that confused everyone not survive half an hour with Professor Xu? He just looked through the data he submitted, and then from these data

Found supporting information.

Why didn't I discover it in the first place?

this...

Is this the difference in strength?

"Continue to study... adjust your thinking and think about ancient gas clouds." Xu Mang said calmly: "Give me a complete research report in fifteen days. You can go back now, by the way... If you want

If you want to borrow some astronomical equipment, please give me a report and I will contact you. I can contact anyone in China."

moment,

Seeing the five graduate students leaving, Xu Mang couldn't help but sigh. He hurriedly picked up the phone next to him and called Director Fang Jun of the Department of Physics at Fuda.

"Hello?"

"Guess who I am?" Xu Mang asked with a smile, "There is no reward for guessing correctly."

"..."

"Xu Mang?" Fang Jun said helplessly: "Why are you calling me? After all, you are also the head of the Xu Yang Research Institute. From now on, don't start with 'Guess who I am', that's too bad.

Stable."

"Ahem!"

"Don't forget your original intention." Xu Mang said awkwardly but politely: "Director Fang... By the way, the score line of the Physics Department of Fuda was very low before? The ten graduate students you asked to come here don't seem to be very good.

, I feel a little confused.”

"..."

"You can't use your own template to evaluate the other party. You...you haven't taken many classes. As a result, you became a professor within a year, and you even lost a deputy director. Not everyone's experience is the same.

It's the same as you." Fang Jun smiled bitterly and said: "Take good care of yourself, I have something else to do... I'll hang up first."

Snap!

Just hang up the phone.

Xu Mang was almost mad to death. When had he ever been hung up on?

wrong...

I often get hung up on by Xiaoman.

...

Time passes minute by minute,

Two more days passed.

Xu Mang basically completed the scattering problem of uncharged neutrons, and a neutron diagnostic device with completely independent property rights was born. However... Xu Mang did not report this device. He was always disappointed that he could not solve the real problem.

Charged neutrons are not restrained and bothered.

sorry,

The pride in my heart cannot accept such a situation.

Of course, excessive pride will eventually end in failure. Xu Mang knew this truth, and while working hard to overcome the problem that uncharged neutrons would not be restrained, he stepped up the relevant simulation tests of the neutron diagnostic device.

For this reason, Xu Mang developed a diagnostic system. After the neutrons in the field of view of the neutron diagnostic device are scattered, the proportion of scattered neutrons can be checked. From this, we can clearly know how many uncharged neutrons there are at this time, and these data

It will be displayed in front of the scientific community in a very intuitive way.

"hiss..."

"It feels like it's not enough." Xu Mang frowned, and temporarily modified the system, adding measurement data such as emission energy spectrum, yield, space, time distribution, radiation dose, etc., in order to diagnose the disease caused by uncharged neutrons.

comprehensive impact.

at this time,

The neutron diagnostic device is truly completed.

"Hello?"

"Wife?" Xu Mang received Xiaoman's call and asked curiously: "You are going to the capital for a meeting? What kind of meeting are you holding?"

"well..."

"The High-tech Industry Technology Conference is composed of big guys from the high-tech industry." Yang Xiaoman pouted with a hint of displeasure in her tone: "I'm incompatible with them, and I don't want to go at all, but what about that?"

It’s an official invitation letter.”

"Just go, I'm going to the United States to attend the forum in five days." Xu Mang said calmly: "Isn't it our daily life to fly back and forth from place to place?"

"you do not know!"

"They were very dissatisfied with my monopoly on photoresist materials, and then... I monopolized flexible materials." Yang Xiaoman said angrily: "They are even more dissatisfied, husband... What if they join forces to bully me?

?After all, I am fighting alone."

Suddenly, Xu Mang fell into silence. After just a moment, he smiled and said, "Don't panic, you still have me!"

"Um!"

"By the way..." Yang Xiaoman suddenly remembered something and asked seriously: "You didn't accompany me on Christmas Eve, Christmas, and Valentine's Day... What should you do?"

"Hello?"

"Hello?"

"What's going on? Why...why is there no signal?" Xu Mang looked at his full signal, opened his eyes and started talking nonsense: "These communication companies...the service quality is so poor."

Snap!

hung up,

Taking a long breath, Xu Mang felt like he was surviving a disaster. It was so dangerous... He almost fell into Xiaoman's trap, but he still had to face her demands when he got home. What should he do?

Bang bang bang,

There was a knock on the door, and then Brother Chuan Xiao walked in, holding a can of tea in his hand.

"Xu Mang."

"Drink this tea and you will definitely fall in love with it." Brother Chuan Xiao handed the jar of tea to Xu Mang and said with a smile: "This is considered a bribe."

"ah?"

"You suddenly gave me a can of tea. What do you want to do?" Xu Mang asked curiously.
To be continued...