It's reasonable for me to have a two-way foil for a second-level civilization, right?

Lu Yongchang paused slightly while holding the doorknob, and then pushed the door open.

Looking at the tidy appearance inside, he nodded calmly: "Good job."

"Next, I need you to help me find some books about quantum computers."

After pondering for a moment, Lu Yongchang added again: "There are still papers, the more the better."

Su Yutong nodded lightly, turned around and left without any nonsense.

"Quantum computer?" Fang Xu didn't recover from the shock just now, "Why did you suddenly study quantum computers?"

"Also, what is the situation of the Proxima Centauri civilization you mentioned just now?"

Because the various materials of the quantum computer have not been sent, Lu Yongchang took advantage of this gap to explain it to Fang Xu.

"incredible……"

After listening to the explanation, Fang Xu muttered to himself: "Are there so many civilizations in the universe?"

"Have you heard of the Fermi Paradox?" Lu Yongchang shrugged, "It's probably like this."

"As for quantum computers, I'm going to try to study artificial intelligence."

"The current efficiency of human beings is still too low."

Fang Xu's eyes were a bit complicated: "Artificial intelligence... can the current human beings really research it?"

"Who will know if you don't try it?" Lu Yongchang chuckled, "What's more, all I need is the most basic artificial intelligence."

"Tuk Tuk Tuk!"

There was a knock on the door.

"Professor Lu, there are a lot of materials on quantum computers, I'll get you some first."

It was Su Yutong's voice.

"Come in, the door is unlocked."

Hearing Lu Yongchang's voice, Su Yutong gently opened the door, and put a tall stack of documents in his hand on his desk.

"Thank you." Lu Yongchang nodded slightly, and said softly, "By the way, Brother Xu, find her an office."

"No, no, no!" Su Yutong waved his hands again and again, "I'm just an assistant with learning experience, I don't need an office!"

Fang Xu frowned slightly, and said in a low voice: "That's the reason. She is just an assistant now. If you give her an office, it is inevitable that someone will gossip."

"That……"

Lu Yongchang fell into a tangle.

"Professor Lu, can I study in your office?" Su Yutong met Lu Yongchang's gaze firmly, "I promise I won't disturb you."

"Besides, you can tell me to do anything."

After a moment of silence, Lu Yongchang nodded silently.

……

After everything was arranged, Lu Yongchang buried himself in the documents in front of him.

Seeing Lu Yongchang frowning slightly, immersed in his study, Su Yutong was slightly moved.

After a brief exclamation, she also immersed herself in her studies.

time does not wait.

If she wants to catch up with Lu Yongchang, she must spend more energy studying.

Even if she can't have the same knowledge, at least she can't hold back Lu Yongchang!

Time passed by every minute and every second, and the sky slowly darkened.

The wall clock on the wall slowly points to the number 12.

Lv Yongchang let out a foul breath, raised his head and rubbed his eyes.

Seeing Su Yutong who was still buried in his studies, a look of relief quietly appeared in his eyes.

In her previous life, she also studied so hard, constantly chasing after his footsteps.

"Okay, it's almost time, go and rest."

Lu Yongchang said softly.

Suddenly hearing Lu Yongchang's voice, Su Yutong trembled slightly.

She raised her slightly confused eyes to look at Lu Yongchang.

Gradually, her sight gained focus.

After turning her head to look at the time, she slowly shook her head: "Professor Lu, I'm not sleepy yet."

After half an hour.

Looking at Su Yutong who was lying asleep on the table, Lu Yongchang smiled wryly and shook his head.

He stood up, took a blanket from the side and gently covered her body.

Then, he sat back at his desk again.

It's just that this time his movements of flipping the book and writing are much gentler.

Chapter 94 Fang Xu: Is it I am abnormal or you are abnormal?

A few days later.

Lu Yongchang raised his hand and gently rubbed the center of his brows.

Perhaps because of the system, after rebirth, he felt that his thinking ability was constantly strengthening.

Questions that took a long time to ponder in the previous life now only take a few seconds to get the answer.

The most direct manifestation of the strengthening of thinking ability is its learning ability.

It took him just a few days to go from scratch to mastering the latest quantum computer technology.

In addition to the strengthening of thinking ability, he noticed another obvious change.

His physical fitness is slowly improving.

In his last life, he couldn't hold on to staying up late for so many days in a row, no matter what.

As for the benefits... After staying up late for several days, he finally had some ideas.

No wonder the system compares quantum computer technology to the cradle of artificial intelligence.

The difference between quantum computers and ordinary computers is not just the difference in computing power.

Although computing power has played a vital role in the breeding process of artificial intelligence, it is definitely not a key factor.

More importantly, the information processed in a quantum computer takes on a quantum state.

Quantum has a property called superposition.

Assuming that there are state A and state B, the superposition state is the superposition of the two. In binary terms, it means 0 and 1 at the same time.

This is impossible for ordinary binary computers.

In an ordinary computer, there will always be only two options of 0 or 1, which greatly limits its computing power and learning ability.

And that's just the case when two quanta are in superposition.

If the quantum number is increased to 5, then it contains the superposition of all numbers from 00000-11111 (binary).

If you continue to improve...

And the correct answer lies in this string of possibilities.

As for how to get the right answer...

Through a specific quantum algorithm, let them exert their physical characteristics, and exit the superposition state according to the designed algorithm.

Some of the quanta after exiting the superposition state become 0, some become 1, and the last observed 01010 or other combinations are the calculation results.

And this is more in line with the principle of consciousness generation-the collapse of the quantum state caused by observations produces human consciousness.

To sum up, artificial intelligence in the true sense will only appear on computers with quantum computing capabilities.

Lu Yongchang unconsciously tapped his fingers on the desk in front of him.

There are currently three architectures for quantum computers.

Superconducting circuits, semiconductor quantum chips and ion traps.

The most promising are quantum computers with superconducting circuits.

It achieves the largest number of high-fidelity qubits and better scalability.

But the defect is also obvious, the difficulty of circuit design increases as the number of bits increases.

Semiconductor quantum chips, once a sample chip is realized in the laboratory, it can quickly start large-scale industrial production.

As for ion trap quantum computers... the fidelity is the highest of the three, but bulky.

After a short thought, Lu Yongchang took the lead in ruling out semiconductor quantum computers.

He doesn't need mass industrial production right now.

As for the ion trap computer, Lu Yongchang sighed slightly due to its too large size.

In the end, there was only one option left before him.

Superconducting circuit quantum computer.

The room-temperature superconductor technology has made a breakthrough, and now he only has the problem of designing superconducting circuits.

……

a week later.

Lu Yongchang slowly raised his head from the computer screen, and exhaled a long breath of foul air.

It can be regarded as well designed.

"Yu Tong, call Fang Xu for me, and tell him that I need to find him."

Lu Yongchang's eyes stayed on the design drawings, and he subconsciously called out the title of his previous life.

Su Yutong, who was buried in his studies, trembled slightly.

The next moment, a faint smile emerged from the corner of her mouth: "Okay, Professor Lu."

……

Soon, Fang Xu pushed open the office door with a confused expression on his face.

"Yongchang? Are you looking for something with me?"

Fang Xu sat down on the chair in front of the desk while talking: "I told you in advance, quantum computers, there is no one in our laboratory who understands this stuff."

Lu Yongchang ignored Fang Xu's words, just reached out and unplugged a USB flash drive from the computer, and handed it to Fang Xu.

Fang Xu took the USB flash drive with a puzzled face: "What is this? You wrote a paper?"

"..." Lu Yongchang looked at Fang Xu in front of him with black lines all over his head, "Well done, why am I writing a thesis?"

"This is the architecture diagram of a superconducting quantum computer. I want you to help me report it to the chairman."

"I want to build a quantum supercomputing center next to the laboratory."

Fang Xu: "...???"

"Wait, wait!" Fang Xu obviously couldn't accept Lu Yongchang's words.

He looked at the USB flash drive in his hand suspiciously, and then at Lu Yongchang who looked calm: "How much time is this?"

"It's only about ten days, and you can give me a diagram of the architecture of the quantum supercomputing center?"

As he spoke, Fang Xu grabbed a book from the side and glanced at it casually.

"What is a Quantum Computer"

A drop of cold sweat slowly fell on Fang Xu's forehead: "Brother, if I'm not wrong, you should know nothing about quantum computers ten days ago, right?"

"Yes." Lu Yongchang nodded indifferently, "Isn't it ten days?"

Fang Xu: "???"