Cataclysmic Era: I can unlock the tech tree

"Zhengqing, Zhengqing..."

Ren Feng's voice trembled slightly as he murmured, "This...this is back to normal?"

Due to the sudden stimulation of the bright light, Zhang Zhengqing's pupils contracted rapidly.

Ignoring the tears streaming down his face, he quickly got up and ran to the window.

"Whoosh!"

The window, which had been tightly closed, was suddenly pulled open.

He hesitated for a moment, then took a deep breath.

"The air quality has returned to normal!"

Zhang Zhengqing raised his hand, hastily wiping away the tears on both sides of his cheeks, and shouted loudly, "Everyone! We're saved!"

……

Ross 154 galaxy.

Lu Yongchang stared solemnly at the holographic projection in front of him.

The projection shows surveillance footage from City One.

The once bustling city of No. 1 looked as if it had been ransacked!

The fire destroyed a large part of the city, and almost all the buildings were charred black.

The wide streets were littered with corpses.

The camera gradually zooms in.

The condition of the bodies clearly shows that most of them died of suffocation.

A small number of people have serious external injuries.

Considering the weapons those people were carrying, it's not hard to imagine the chaotic scene at the time.

The camera cuts again.

This time, the footage comes from aerial cameras in the city.

On the west side of the city, a huge hole appeared at the edge of the dome structure.

The cavity has been filled with temporary repair equipment.

But the nearby ruins made Lü Yongchang's heart skip a beat.

What, what happened...?

He clenched his fists tightly, and several veins bulged on his arms.

"Zero, what happened?"

"An alien invasion?"

Lu Yongchang lowered his eyes slightly and asked in an extremely low voice.

Inside the command center of the Earth, all was quiet.

Zhao Zijie, standing beside him, pursed his lips tightly, his eyes flashing with hatred.

"Professor, the cause of the accident is still under investigation."

Zero responded in the command center: "However, a large amount of residual nuclear radiation was found at the explosion site."

"Nuclear radiation?!" Lu Yongchang was stunned.

"In addition, several satellites in the orbit of Proxima Centauri b were destroyed," Zero continued. "At the time, these satellites were directly above City One."

A strange sense of familiarity welled up in his heart.

"this……"

"Isn't this the attack effect of a Type I electromagnetic railgun?"

Zhao Zijie's exclamation came from the side.

"Zero, immediately inspect the wreckage of the damaged satellite!" Lu Yongchang issued the order without hesitation.

A few minutes later, Zero's response rang out again.

"Professor, fragments of electromagnetic railgun projectiles have been found in the satellite debris."

As soon as he finished speaking, a photograph appeared in front of everyone.

A piece of shrapnel about ten centimeters long.

There was even a line of blurry writing on the shrapnel.

[Manufactured by xxxx factory, 2037.5]

"Holy crap!"

"What the hell is this thing?!"

A burst of traditional Chinese opera music instantly filled the command center!

A vague memory slowly surfaced in Lü Yongchang's mind.

He swallowed hard. "This electromagnetic cannon... could it be the same batch of projectiles we fired when we intercepted the asteroid?"

Zhao Zijie's expression also turned strange.

As far as I can remember, he was the one who fired those projectiles!

"Professor, the timing is perfect," Zero quickly reminded him.

"Damn... this is a huge mess..." Lu Yongchang muttered to himself, "So, it turns out we brought this trouble upon ourselves?"

"It was me, you killed me?!"

He shuddered violently: "Zero, how's the Proxima Centauri cluster doing?"

"Besides City Number One, what about the other cities?!"

Zero replied, "The situation is terrible."

"The simultaneous damage to the satellite and City One caused a serious logical malfunction in One."

"When the accident occurred, the head of City One sent us a lot of distress signals, but because we were in a state of high alert, these messages were given the lowest priority."

Lu Yongchang's heart sank.

broken.

He was all too aware of the importance of the Proxima Centauri b city cluster.

When did the accident happen?

Zero quickly replied, "Ten days ago."

"Ten days ago, the fusion reactor stopped working, and the city's air circulation system shut down."

In an instant, Lü Yongchang's face turned deathly pale!

"Ten days..."

If he remembered correctly, the city's emergency oxygen supply system could only last for a week!

Ten days is enough time to destroy the entire human civilization on Proxima Centauri!

"Is...is anyone still alive?"

When he asked this question, Lü Yongchang already had the answer in his mind.

estimate……

Are there only a few lucky survivors left in the entire Proxima Centauri civilization?

Like Lü Yongchang, all the researchers present lowered their eyes.

They couldn't bear to look at the numbers in the holographic projection.

"As of now, 213.1 million people are still alive."

Zero's voice echoed throughout the command center.

In the holographic projection, a series of data appeared.

Lu Yongchang was stunned for a moment.

It's not because there are too few survivors, but... there are too many!!

"So many people?!"

He suddenly straightened up, trying to stand up from the chair, but was once again violently pulled back by the electromagnetic adsorption device.

"Hiss..." Lü Yongchang's cheek muscles twitched violently twice: "Sooner or later I'll have to take down this damn electromagnetic adsorption device!"

Ignoring the pain in his body, he quickly turned his gaze to the holographic projection directly in front of him.

He spotted the problem at a glance.

"207.8 million people survived in City 4?"

"And they're all young adults of marriageable age?!"

A strange light flashed in Lü Yongchang's eyes: "Zero, what happened? What's going on in City Four?"

"Data is missing; we are attempting to contact survivors in City 4..."

"Contact has been successfully established."

Contact Person's Name: Ren Feng

Age: 92.

"Graduated from the University of the Fourth City Center, currently unmarried..."

Lines of information flashed past in front of everyone.

At the same time, the image of a young man with yellow skin appeared in another holographic projection.

The young man stared blankly at the holographic projection in front of him.

"Hello there."

"I am Lü Yongchang."

Lü Yongchang spoke first.

……

Proxima Centauri b.

Looking at the scene in the holographic projection in front of him, Ren Feng's mind went blank.

This...this is the command center of the Earth?

"Hello, I am Lü Yongchang."

Directly ahead, a young man asked in a gentle tone, "I'd like to ask, what has happened in City Four these past few days?"

"Ren Feng?"

Hearing his name called, Ren Feng snapped back to reality.

A flicker of excitement crossed his face: "Professor Lü! You've finally come to save us!"

"Me, them..."

Perhaps because he was too excited, he stood in front of the camera, stammering and gesturing, unable to utter a single complete sentence.

After a long conversation, Lü Yongchang finally understood the whole story from Ren Feng's fragmented explanation, and Ren Feng also understood why the human fleet had not responded.

When Ren Feng learned that the entire human civilization on Proxima Centauri had only 213.1 million people left, his expression changed drastically.

"You... did a great job." Lü Yongchang took a deep breath and said in a deep voice, "Now, get some rest."

"Leave the cleanup to us."

"Zero will handle everything."

"Professor Lü!" A strange voice came from beside Ren Feng. "I have a request."

As soon as he finished speaking, an unfamiliar young man appeared in front of the camera.

"Let me introduce myself..."

"Zhang Zhengqing, male, 87 years old, a homebody, has previously hacked into the city's central control system..." Lu Yongchang raised an eyebrow, interrupting the young man, "What are your demands?"

Zhang Zhengqing was slightly taken aback, but quickly regained his composure.

He stared at Lü Yongchang in front of him and said with a serious expression.

"Professor Lü, I hope you can grant Yi access."

"Furthermore, we need a complete technological system."

P.S. Only one update today. I'm taking a break.