Inside the office.
Lu Yongchang sat in the chair, his brows furrowed, his troubled gaze fixed on the holographic projection in front of him.
Tao Yuda is right.
He just did a simple calculation: based on the current energy efficiency of fusion reactors, humanity would need to transform Apollo into an energy planet with its surface covered by fusion reactors to meet humanity's demand for antimatter during wartime.
Antimatter doesn't come from nothing.
When matter and antimatter come into contact, energy is released.
Creating antimatter from matter requires the same, or even more, energy.
After all, energy loss is inevitable during the production process.
In other words, the current Phoenix One is similar to a large-scale, high-efficiency energy storage device.
Perhaps some people will ask.
What is the role of antimatter?
Wouldn't it be better to use the energy directly from a fusion reactor?
This involves the issue of energy conversion efficiency.
Compared to antimatter, fusion reactors are too "mild" and release energy at a too "slow" rate.
One gram of antimatter can annihilate one gram of matter, releasing the energy equivalent to two grams of matter in a very short time.
The energy released by 2g of fusion raw materials is far less than the energy produced by the annihilation of matter and antimatter—both in terms of quantity and rate.
Even the energy conversion efficiency of a hydrogen bomb is only 0.7%.
The energy conversion rate of antimatter energy is more than 140 times that of antimatter!
Therefore, even though it requires more energy to manufacture, it is the obvious choice for a Level 4 civilization!
"Da...da...da..."
Lu Yongchang's right hand was half-clenched into a fist, and his knuckles tapped lightly on the desk in front of him, making a rhythmic tapping sound.
Transforming Pantheon into an energy planet would certainly not meet his expectations.
So... what about transforming the remaining planets in the Gliese 555 star system into energy planets?
This is no small project!
The subsequent mining of fusion fuels alone is a considerable undertaking!
Suddenly, Lü Yongchang's eyes flickered slightly.
He suddenly raised his hand and lightly patted his forehead.
"I see!"
A hint of excitement flashed in his eyes as he exclaimed, "I know what to do!"
Tao Yuda trembled slightly, startled by Lü Yongchang's violent actions.
But upon hearing Lü Yongchang's words, he quickly leaned forward slightly and asked anxiously, "Professor, have you thought of any good methods?"
Faced with Tao Yuda's eager questioning, Lü Yongchang revealed a mysterious smile.
"Planetary-scale nuclear fusion, what comes to mind?"
Tao Yuda was taken aback.
Gradually, an unbelievable idea emerged in his mind.
His eyes widened slightly, and he muttered to himself, "The...sun?"
"No, you're mistaken, it should be the main star!"
"Professor, you intend to use Gliese 555 as an energy source?!"
"Of course." Lü Yongchang nodded with a smile. "Have you heard of the Dyson sphere project?"
"A concept of the Earth Age."
"Artificial celestial bodies with diameters ranging from 200 million kilometers to 200 million kilometers, used to enclose stars and mine their energy."
"To put it simply, it's a giant structure built around a star to obtain energy."
Tao Yuda swallowed hard, then nodded slightly.
As an old man from the Earth era, he naturally understood this term.
“In the past, we might not have been able to complete such a large-scale project.”
As he spoke, Lü Yongchang stood up from his chair and reached out to turn on the holographic projector next to him, bringing up a star map of the Gliese 555 star system.
"But now, humanity has the technology to build Dyson spheres."
"Transform a red dwarf star into an antimatter production base."
"I think this should be enough to meet the needs of human civilization."
...
Time is money.
For human civilization, which is developing at a rapid pace, time is the most precious thing.
Therefore, after deciding on the research direction, Lü Yongchang did not hesitate at all, and did not even rest for a moment, before convening another meeting of the Chinese Academy of Sciences.
...
"..."
"In terms of materials, the main frame of the Dyson sphere is made of carbide."
Inside the conference room, Lü Yongchang spoke while making slight adjustments to the holographic projection, saying, "A small amount of star gold can be added to the key parts."
He shook his head helplessly: "Our current star gold reserves can't withstand the cost of building this behemoth."
A burst of laughter erupted from the meeting room.
Indeed, as Lü Yongchang said, the amount of star gold mined from the interior of a single ice giant star would absolutely not be enough to support such a massive engineering project.
"Ding Chengwang, how is the research on artificial star gold progressing?" Lu Yongchang turned to an academician sitting on the side of the conference table and asked, "There is only one ice giant in the Gliese 555 star system. We can't put all our hopes on it."
"Professor, we've encountered some difficulties during the manufacturing process," Academician Ding Chengwang of the Materials Science and Engineering Department quickly replied. "But it's not a big problem; we can solve it."
Lü Yongchang nodded slightly.
Since Academician Ding Chengwang said so, he didn't ask any more questions.
As the chief of the Academy of Sciences, all he needed to do was grasp the direction of civilization's progress and a few key technologies.
Some minor technical details don't require him to worry too much.
"With the issue of the main material for the Dyson sphere resolved, the most important thing now is the construction of the Dyson sphere."
As he spoke, Lü Yongchang reached out and gestured in the air, bringing up a brand-new holographic projection.
At the very center of the holographic projection is a reddish dwarf star.
It is the main star of the star system in which humanity resides, Gliese 555.
As Lü Yongchang moved, the Gliese 555 rapidly enlarged, quickly occupying the space above the conference table.
The next second, the Gliese 555, radiating endless light and heat, was encased in a completely black shell.
"As everyone knows, the vast majority of the energy released by a star dissipates into the universe."
Lü Yongchang's voice rang out again.
"For example, in the solar system where humans used to live, each planet only absorbed 1/3 of the solar radiation energy."
"The Gliese 555 star system is no exception."
"The traditional Dyson sphere is completely encased in a sturdy shell-like object."
"In this way, all the radiation energy released by the star can be intercepted."
"But this will affect the human living environment."
"To ensure that Dawn receives sufficient light, we can design this shell-like Dyson sphere as a modular structure."
"In other words, along the trajectory of Dawn, the Dyson sphere is divided in two, leaving the middle area empty."
As soon as he finished speaking, a crack appeared in the middle of the black spherical shell structure that encased the red dwarf Gliese 555.
Some light and heat shone through the gap.
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