Cataclysmic Era: I can unlock the tech tree

Half a month passed in the blink of an eye.

Proxima Centauri b.

Central Academy of Sciences.

Augustus sat calmly in his chair, gently swinging his short, stout legs.

"How's it going? Haven't those intruders responded to our communication requests yet?"

Upon hearing this, Lyle, dressed in black, quickly put down what he was doing and jogged over to his side.

"Your Excellency Augustus, during this period we have sent a total of 109 communication requests, but have not received a single response."

Augustus paused slightly in his leisurely movements.

Are they still making a futile struggle?

Lyle's three pairs of eyes showed hesitation: "No."

"Um?"

Augustus sat up straight, his expression becoming slightly more serious: "What are they doing?!"

"Those intruders... seem to be waiting for something." Lyle's eyes showed even more doubt.

Augustus didn't say anything, but stood up and walked towards the observation room in the distance.

A few minutes later.

He stared at the screen and fell into deep self-doubt.

"Are you sure their fleet has been stationary for the past two weeks?"

Lyle nodded hastily and said, "That's right. Apart from the flagship and supply ships, their warships have imposed a comprehensive blockade on us."

"only……"

Meeting Augustus's serious gaze, Lyle cautiously said, "However, the flagships and supply ships are all gathered together."

"It looks like something is being covered up."

"To cover something?" Augustus was taken aback. "What do they have to cover themselves with?"

"Can we use optical telescopes to observe those invading starships?"

Lyle tapped a few keys on the keyboard beside him and brought up an image.

"We tried to observe it, but unfortunately, it was completely obscured."

Augustus carefully examined the image in front of him.

"Let them be."

The top of Augustus's thinking organs showed layers of folds.

"Our star system only has one solid planet. Are they planning to wage a protracted war against us using those tiny asteroids?"

"Just wait, in another half month, we'll receive their surrender document."

……

then.

The Proxima Centauri system enjoyed another two weeks of peace.

【Earth】.

Inside Lü Yongchang's office.

"Yutong, how's the mining mission on the gas giant going?"

While he was engrossed in sketching on the holographic image in front of him, he asked Su Yutong in a low voice.

Su Yutong's response came quickly.

"Professor, the deuterium-tritium gas has been collected, and the factory has begun manufacturing hydrogen bombs."

"What about the asteroid collection plan?" Lü Yongchang asked again without looking up.

Su Yutong looked down and operated the holographic projection in front of her.

"It has also entered the final stage."

"Most of the hummingbird mining ships have returned."

Lu Yongchang straightened up, rested his chin on his hand, carefully examined the structural diagram in front of him, and nodded: "Very good."

"Please send this blueprint to Fang Xu and tell him to start making smoke bombs now."

"A week later, we launched our final offensive."

Su Yutong's expression changed slightly.

As she manipulated the holographic image in front of her, she asked in a low voice, "So soon?"

Lu Yongchang sighed softly: "We've wasted too many resources building that factory."

"A swift victory is only beneficial to human civilization."

Under Zero's control, the manufacturing task began rapidly.

Robots and robotic arms are rapidly manufacturing new equipment needed for the final battle—interstellar smoke bombs.

To accommodate more asteroid dust, the interplanetary smoke bomb was made into a spherical shape.

From the outside, the entire smoke grenade looks like a Plus version of an electromagnetic cannon projectile.

However, their internal structures are completely different.

The projectile's core is a miniature nuclear bomb extracted from an electromagnetic railgun projectile.

The miniature nuclear bomb is surrounded by a layer of deuterium-tritium material.

The two together formed a simple hydrogen bomb.

Unlike miniature nuclear bombs, the power of a hydrogen bomb can theoretically be increased indefinitely.

And the way to improve is also very simple.

This can be achieved simply by increasing the amount of deuterium and tritium.

Compared to scarce raw materials like uranium-235, the gas giant planet in the Proxima Centauri system could provide humanity with a near-infinite supply of deuterium and tritium!

They can greatly enhance the explosive power of this smoke grenade, allowing asteroid dust to drift further!

Outside the hydrogen bomb structure, there was a tightly packed asteroid dust.

These dust particles are all less than 1 micrometer in diameter, even smaller than so-called PM2.5.

Once the smoke bomb explodes inside Proxima Centauri, the fine dust will quickly spread through the atmosphere!

Of course, some people might ask.

What if these smoke bombs were detonated prematurely by the planetary defense network, preventing them from entering the atmosphere?

The problem is not big.

Even in interstellar space, this dust can still perfectly fulfill its purpose—blocking the land-based laser weapons of the Proxima Centauri civilization!

A week passed in the blink of an eye.

The day for launching the final offensive arrived as scheduled!

Inside the deep-sea cabin, Lü Yongchang watched as the deep-sea liquid gradually washed over his eyes and silently issued his orders.

"All [Golden Crow] battleships, evacuate immediately, replenish your resources, and launch a general offensive!"

……

Proxima Centauri b.

"No, this is terrible!"

"Lord Augustus! Something has happened!!"

A slightly shrill shout startled Augustus, who was sleeping in a chair.

He opened his tired eyes and angrily roared at the person who had entered, "Shut up! What are you yelling about?!"

He hadn't slept in his comfortable bed for a long time since the war!

Now, he gets disturbed even when he's resting in a chair!

Thinking about this, Augustus became even angrier!

"Oh, Lord Augustus, the invaders have made their move!"

Lyle's scream was like a bucket of cold water poured over Augustus's head.

After a brief moment of panic, he regained his composure: "They accepted our communication request?"

Lyle paused for a moment, then shook his head violently, saying, "No, that's not it!"

"Their warships have all been evacuated!"

Augustus stood there, stunned.

"Evacuate? How could they possibly evacuate?!"

"Damn it, they're gone, what are we going to do?!"

"How are we supposed to leave this damned planet without their starships?!"

He subconsciously assumed that these invaders had abandoned their attack plan and chosen to explore another habitable star system.

"Lord Augustus, I'm afraid... I'm afraid they're not evacuating," Lyle said cautiously.

"The invaders' flagship and supply ships have dispersed."

"They built a giant factory in just one month!"

Augustus froze in place once again.

"A giant factory? In just one month?"

"Do you think I'm stupid?!"

As he spoke, Augustus grabbed Lyle and pulled him to his side, glaring at him fiercely.

"...Your Excellency Augustus, you are welcome to go and see for yourself."

Lyle responded with difficulty.