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

As the chief of the Academy of Sciences, he only needs to grasp the direction of civilization and a few of the most critical technologies.

Some trivial branch technologies don't require him to worry too much.

"The problem of the main material of the Dyson sphere has been solved, and the next most important thing is the problem of the structure of the Dyson sphere."

While speaking, Lu Yongchang stretched out his hand across the air, calling out a brand new holographic projection.

In the center of the holographic projection is a reddish red dwarf star.

It is the main star of the star system where humans live, Gliese 555.

Following Lu Yongchang's movements, Gliese 555 quickly zoomed in and soon occupied the space above the conference table.

In the next second, the Gliese 555 emitting endless light and heat was wrapped in a black shell.

"Everyone knows that most of the energy released by a star is dissipated in the universe."

Lu Yongchang's voice sounded again.

"For example, in the solar system where human beings lived before, each planet only absorbed 1/1000000000 of the energy radiated by the sun."

"The Gliese 555 star system is no exception."

"The Dyson sphere in the traditional sense is completely wrapped with a solid shell-like object."

"In this way, all the radiation energy released by the star is completely intercepted."

"But it will affect the human living environment."

"In order to ensure the illumination of Dawn Star, we can design this shell-shaped Dyson sphere as a split structure."

"In other words, along the trajectory of Dawn Star, the Dyson sphere is divided into two, and the middle area is vacated."

As soon as the words fell, a gap opened in the middle of the black spherical shell structure covering the Gliese 555 red dwarf star.

Part of the light and heat came out from the gap.

Chapter 513 Dyson Ball Phase I Project

"This is an extremely large and extremely difficult project."

"After various calculations, with the help of carbyne and star gold-carbyne composite materials, theoretically, we can make such a giant building."

"Attention, it's only in theory." Lu Yongchang sighed, shook his head and said again: "It will consume a lot of time and a huge amount of resources."

"In addition, it has to resist the impact of various small and micro celestial bodies, and adjust its trajectory at any time with the help of the power system to ensure that it will not fall into the interior of the star..."

"possible……"

Speaking of this, Lu Yongchang pondered for a moment: "All the materials in the Gliese 555 star system are not enough to manufacture such a giant building."

As soon as this remark came out, there was a burst of discussion in the conference room.

"That……"

"Maybe we can reduce the size of its coverage."

He Bilin's voice sounded in the conference room.

Under everyone's gaze, he reached out and operated on the holographic projection.

As he moved, in the 3D simulation image, the area of ​​the black spherical shell that wrapped the entire red dwarf star continued to shrink, and finally became a series of ring-shaped buildings revolving around the red dwarf star.

Dyson ring

"Dyson Ring." He Bilin looked at the brand new model and nodded with satisfaction.

"By increasing or decreasing the number of Dyson rings, we can adjust the energy utilization of the host star at any time."

"At the same time, it can also reduce the possibility of being hit by small celestial bodies."

Lu Yongchang looked at the slowly rotating concentric ring model in front of him, and nodded thoughtfully.

"It is indeed a good solution."

"only……"

"The construction period is still too long."

As he spoke, Lu Yongchang waved his hand and opened a brand new projection.

"I have an idea."

As he spoke, he quickly sketched a few strokes on the newly opened holographic projection.

Under Zero's rendering, a brand new simulated picture appeared in front of everyone.

In the center of the projection is a reddish red dwarf star - Gliese 555.

And around this red dwarf star, there are pieces of devices like clouds.

"Distributed Dyson sphere, maybe it can be called Dyson cloud." Lu Yongchang shrugged, "This should be the simplest of the three architectures."

Dyson Cloud

"Ten [Phoenix One] antimatter generating devices can be integrated on each cloud."

"With their own propulsion devices, they can maintain their own orbit for a long time."

"Even, we can increase the number of 'clouds' at any time to control the production efficiency of antimatter."

"There are many advantages, but there are also disadvantages."

"Its energy absorption efficiency for Gliese 555 is not very high, at least not as good as a real Dyson sphere."

Lv Yongchang turned his gaze to the Dyson Ring aside, his eyes flickering: "Perhaps... we can combine the Dyson Cloud with the Dyson Ring."

Combination of Dyson Cloud and Dyson Ring

"Implement the less difficult Dyson cloud project first."

"After the antimatter engine is successfully developed, we will consider implementing the Dyson ring project."

"As for the real Dyson sphere project..."

"It's not too late to think about it after the technological level of human beings has risen to a higher level."

Lu Yongchang's plan immediately won the support of many people.

Compared with the extremely large Dyson ring and Dyson sphere, the Dyson cloud with a distributed structure is undoubtedly more suitable for the current human productivity.

……

After the plan was finalized, under the leadership of Lu Yongchang, the Academy of Sciences immediately began to work overtime.

One month later, the first phase of the Dyson ball project - Dyson cloud design drawings were officially released.

After several times of zero simulation verification, engineering ships and [Glutton] material storage ships left Dawn Star and headed for the center of the Gliese 555 star system.

While the first phase of the Dyson sphere project was being carried out, the research and development of the antimatter engine was also gradually carried out.

As an entry-level technology for Level [-] civilization, its research and development difficulty can be imagined.

……

30 years later, the earth calendar is 2500 years old.

The environmental transformation project of Dawn Star has finally come to an end.

Lu Yongchang looked at the various data presented in the holographic projection, his eyes flashed with excitement.

The outside atmospheric pressure has dropped to 2.5 standard atmospheres.

Oxygen levels are slightly lower than in the age of the Earth.

But at 2.5 standard atmospheres, this difference will not have any effect on humans.

Nitrogen, carbon dioxide...

The [Atmospheric Transformer] covering all the oceans has also died naturally, and sank to the bottom of the sea.

After 100 years of transformation, Dawn Star has finally become the second earth in Lu Yongchang's mind!

"Zero, tell Chairman Hong." Lu Yongchang took a deep breath and suppressed his agitation. "In one month, all ports will be opened!"

"We should go out!"

……

A month later.

A corner of City One.

Hope was awakened by a blaring alarm clock.

After a very short period of confusion, he jumped up from the bed like a carp.

After finishing washing in a hurry, he walked out of the house quickly.

He came back from the ice superstar to enjoy the vacation, but he never thought that he would be able to catch up with this historic moment!

He raised his wrist and glanced at his watch.

There's still less than an hour left.

"Hancent, old boy..." Hope clicked his tongue lightly, frowning and said, "I must have overslept again."

While talking to himself, he changed his direction without hesitation and walked towards the residential area not far away.

Thinking of what was going to happen next, he moved his nostrils slightly, breathing in the air forcefully, trying to suppress the restlessness in his heart.

But to no avail.

Up to now, even the air is mixed with a little restlessness, constantly provoking people's fragile nerves!

Along the way, people can hear people's anticipation talking everywhere.

The port is opening!

They can leave the closed city now!

Hope shook his head, and simply started to run, with the beating heart in his chest and the blood in his chest, struggling to run.

"Bang bang bang!"

The dull knock on the door kept ringing.

A few minutes later, the door opened, and Hansente, who had just put on his clothes, appeared in front of Hope in a dejected state.

"Let's go, let's go!" Hope gasped hard, and pulled Hansent out.

"The port is about to open."

"We should get out!"

……

after an hour.

Under the excited gaze of everyone, the gate of the city port opened slowly.

Hope subconsciously held his breath.

The next moment, he took a tentative breath.

The breath of freedom, accompanied by a little moisture, rushed straight into his mouth and nose.

"I can breathe... I can breathe!!" His eyes were slightly red, and his trembling lips kept repeating this sentence.

Like Hope, the People's Federation citizens who got the first batch of places to go out of the city all had the same expression.

Anxiety, surprise, disbelief...

Complicated emotions are constantly hitting everyone's nerves!

Whether it is a public supporter or a natural person, at this moment, a strong impulse arises!

go out!

Go out and see!

Under the leadership of the robot, everyone lined up in an orderly queue and walked towards the gate of the port.

blue sky.

white cloud.

Clear sea water, humid sea breeze, and the sound of fine waves.