Chapter 9 Acoustoluminescence



The next morning, just as dawn was breaking, Lü Yongchang got up and left the dormitory.

This is a habit he developed in his previous life.

On a September morning, there was a slight chill in the air.

Looking at the deserted main road of the university, Lü Yongchang couldn't help but fall into deep thought.

Where should he go?

Perhaps it was a habit left over from his previous life, but Lü Yongchang always felt empty inside when he didn't have any research tasks to do.

I wonder how the review process for my proposed controlled nuclear fusion plan is going...

I hope nothing bad will happen.

Although he was very confident in the plan, he was not so confident in his current position.

Right now, he is just an ordinary sophomore at Sandaokou University.

Looking back now, he himself feels that he acted somewhat recklessly.

But thinking that he only had twenty short years, Lü Yongchang felt somewhat helpless.

He has no time to waste!

There are 8 billion people living on Earth!

Sending all 8 billion people into space and to the next habitable planet... the technological level required is absolutely staggering!

In his original plan, out of 8 billion people, it would be extremely lucky if only 10 million could escape!

But ever since he learned of the existence of the technology tree system, his mind has suddenly become active.

Perhaps... as long as we advance our technology fast enough, all of humanity can escape Earth alive!

If Level 1 civilization isn't enough, then let's go with Level 2!

If that still doesn't work... he refuses to believe that even a level three civilization can't do this!

While thinking about his plans for the next twenty years, Lü Yongchang wandered aimlessly around the campus.

Suddenly, he caught a glimpse of a familiar building out of the corner of his eye.

A building that is entirely white.

This is... the library of Sandaokou University!

Lu Yongchang's eyes flickered slightly, and he turned and walked towards the library.

Upon entering the library, Lü Yongchang subconsciously followed his muscle memory and found the seat he had liked to sit in most in his previous life.

No one is reserving seats!

A hint of joy appeared in his eyes.

But what should I watch...?

Lü Yongchang's eyes flickered slightly.

He remembered the information provided by the technology tree system.

[Prerequisite: Understanding of sonoluminescence phenomenon]

Looks like I need to find some books about sonoluminescence!

...

Time always flies when you're reading.

In the blink of an eye, more than two hours had passed.

Lu Yongchang closed the book in front of him and thoughtfully wrote down a few key points on the A4 paper in front of him.

Peacock mantis shrimp!

The phenomenon of sonoluminescence was first discovered in a creature in nature called the peacock mantis shrimp.

When attacking prey, the peacock mantis shrimp can launch the front end of its raptor in one-fiftieth of a second, reaching a top speed of over 80 kilometers per hour, with acceleration comparable to a bullet!

During this process, sonoluminescence can be produced!

Sonoluminescence has also been studied by numerous researchers.

The principle is very simple: when a mechanical wave acts on a liquid, a phenomenon called "mechanical wave cavitation" is generated in the liquid.

In other words, bubbles are generated in the liquid, and the bubbles then collapse into a very small volume!

During the collapse, the bubble generates extremely high temperatures, which causes it to emit a flash of light at that moment!

Lü Yongchang astutely grasped a key element.

Extremely high temperatures can be generated inside the bubble!

It seems... the breakthrough in fusion reactor miniaturization technology will begin with this tiny bubble!

After all, the initiation of nuclear fusion requires a temperature of hundreds of millions of degrees Celsius as a prerequisite!

"Excuse me, is there anyone sitting here?"

Just as Lü Yongchang was engrossed in reviewing various academic papers, a slightly cool female voice reached his ears from the side.

That voice... it sounds familiar.

He suddenly raised his head and looked around!

The moment he saw the person who had arrived, Lü Yongchang's heart skipped a beat!

It's her!

Clearly, Lü Yongchang's overly aggressive actions had frightened the girl in front of him.

She took a step back, somewhat frightened, and apologized repeatedly, "I'm so sorry, I'm so sorry, if someone were here, I could..."

"There's no one here, please have a seat!"

Lu Yongchang interrupted the girl directly, then forced a stiff smile onto his face: "I, I was a little startled just now, and my reaction was a bit over the top, I'm sorry."

The girl smiled and waved her hand, saying repeatedly, "It's nothing, it's nothing. I was too abrupt in asking!"

As she spoke, the girl sat down in the seat next to Lü Yongchang without any hesitation.

Looking at the girl's profile, a look of disbelief appeared in Lü Yongchang's eyes.

It felt like I had returned to my previous life.

At that time, Su Yutong was also like that, quietly sitting in the chair next to him, helping him with various scientific research tasks.

Seemingly noticing Lü Yongchang's gaze, the girl looked up at him.

"Hello...?"

The girl looked at Lü Yongchang with a puzzled expression and said softly, "Is there something you need?"

He snapped back to his senses, bit his tongue hard, and used the intense pain to pull himself out of the fragments of memory.

"It's nothing, it's nothing, you just look a little familiar..."

As he spoke, Lü Yongchang forced himself to turn his head and focus his attention on the paper in front of him.

The girl looked at Lü Yongchang's profile with a strange expression and subconsciously moved her body to the side.

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