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If you want to read the latest full-length novels, please follow the link: https://www.patreon.com/ggbond518/collections The world has fallen into a huge disaster. The environment has deteriorated, monsters are running amok, and resources are scarce. Human survival is facing an unprecedented crisis. And the protagonist has a special ability in such a desperate situation and can light up the technology tree. Starting as an unappreciated little person, he uses his ability to unlock one key technology after another. The protagonist first uses technology to improve the living conditions of people around him in the shelter. He creates a highly efficient energy collection device, solving the problem of insufficient energy and making the shelter no longer threatened by darkness and cold. After that, he develops powerful weapons to fight the raging monsters and enhances human defense capabilities. As the technology tree is continuously lit up, the protagonist also invents equipment that can purify the environment and gradually improve the polluted land and water sources, giving humans more living space. In this process, the protagonist not only has to face external challenges brought by disasters but also deal with complex internal human conflicts of interests and suspicions. But he always persists. Taking technology as the light of hope, he leads humans to strive to rebuild their homes in the disaster era and move forward towards the goal of restoring world order and prosperity, becoming the hope star of humans in the dark period.
"Dear citizens of Human Union Underground City No. 1183, according to the latest observations, the sun will experience a helium flash in 30 minutes."
"Human civilization has entered the final 30 minutes of the countdown."
"We...failed."
In an underground city 500 meters below the earth's surface, a female voice with a heavy tone was playing from the speakers that could be found everywhere.
Everyone who heard the broadcast felt an indescribable feeling of suffocation deep in their hearts.
Lu Yongchang sat in front of a holographic projection with an expressionless face.
In the holographic image, a huge fireball is burning quietly in the deep space.
This is the picture of the sun at this moment.
Lu Yongchang took a deep breath, stretched out his right hand and waved in the air.
The scale of the holographic image suddenly shrank, showing the entire picture of the solar system today.
Unlike the previous solar system, two planets have disappeared from this solar system.
Venus and Mercury have been swallowed by the Sun!
And the sun also turned into a crimson giant!
In astronomy, it has its own name.
Red giant star!
"Yongchang...are we, no, mankind, going to perish just like this?"
A somewhat helpless female voice came from the side.
Lu Yongchang turned his head and looked around.
A woman in a white coat sat on a chair, staring blankly at the holographic projection in front of her.
Lu Yongchang's eyes moved slightly.
As the chief scientist of the Human Union Academy of Sciences, this woman named Su Yutong is his partner and his right-hand man.
"Yeah, humanity is finished."
Lu Yongchang sighed softly and continued, "There are still more than 20 minutes left. Do you want to go to the surface?"
Su Yutong's eyes moved slightly, and he withdrew his gaze from the holographic projection in front of him, and slowly stood up from the chair.
She reached out to untie her long black hair, turned towards Lu Yongchang and smiled brightly.
"certainly."
…
In the elevator of underground city No. 1183, Lu Yongchang and Su Yutong, wearing heavy protective clothing, looked at each other in silence.
On the elevator screen, numbers showing the current depth kept jumping.
There was a hint of sadness in Lu Yongchang's eyes.
In the year 2045 AD, the sun, on which mankind depends for survival, was affected by unknown factors, ended its youth and prime, and entered aging prematurely.
In just five years, the Sun entered the red giant phase and swallowed up two planets in the solar system one after another.
Forced into a desperate situation, humans eliminated all barriers and established the Human Federation, or HFU for short.
And Lv Yongchang, relying on his status as a top student since childhood, overcame all obstacles and successfully won the title of chief scientist of the Humanities Academy of Sciences!
According to his calculations, even if the Sun enters the red giant stage ahead of time, it will still take hundreds of years for a helium flash to occur.
Because the surface is no longer suitable for survival, at his call, the Human Union built countless underground cities, and all human beings entered the underground cities for refuge, and at the same time began to build interstellar spacecraft.
But apparently, he miscalculated.
In just five years, the Sun has surpassed the billions of years of life of other stars!
Helium flash is about to happen!
The Earth, as the planet currently closest to the Sun, will unsurprisingly melt into a magma ball.
Human civilization has come to an end!
"bite!"
"Dear Chief Scientist, I wish you every success in your research mission on the surface."
A crisp reminder sound woke Lu Yongchang from his thoughts.
He looked at the elevator screen.
518℃
This is the surface temperature outside.
The elevator door slowly opened, and a wave of heat accompanied by distorted air rushed towards me!
Looking at the huge red giant star above his head and the surface surging with heat waves, even with the protective clothing on, Lu Yongchang still felt a sense of heat!
"There's one minute left before the helium flash explodes."
Su Yutong's slightly cold voice came from the radio.
Lu Yongchang didn't say anything, but just raised his head and looked at the sun through the mask with filtering ability.
As the only advanced civilization on Earth, he doesn't want to bow his head and die!
"Do you know how hard I worked to become your assistant?"
"Do you know why I do this?"
Perhaps because it was the last moment, Su Yutong's voice was full of relief: "Because, I like you."
Lu Yongchang's pupils suddenly shrank.
The helium flash broke out!
Extremely powerful white light shines towards the earth from the red giant star!
In just a moment, Lu Yongchang lost consciousness.
…
There was a fluorescent green in front of my eyes.
A white line slowly extended, drawing a tree-like diagram against the fluorescent green void background.
Lu Yongchang looked at everything in front of him in confusion.
This...what is this?
A faint flash of light lit up at the base of the tree diagram.
Subconsciously, he cast his gaze to the bottom of the tree diagram.
Nuclear energy control: controlled nuclear fission.
A line of highlighted white text appears.
The next moment, the white area began to extend upwards.
Controlled nuclear fusion.
As this line of originally dim text became brighter, countless words and symbols instantly overwhelmed Lu Yongchang's consciousness!
…
"Lü Yongchang! Lü Yongchang!"
"Professor Guan is calling you! Lu Yongchang!"
In a daze, familiar low calls came from my ears.
My sight gradually came into focus.
What comes into view is a classroom.
Looking at the old man on the podium who was frowning at him, Lu Yongchang's pupils shrank slightly.
Professor Guan Hualiang!
Didn't he...didn't he pass away five years ago?!
"Lv Yongchang! This is your first college physics class! Why did you apply to the physics department if you don't like physics?!"
There was some anger in Guan Hualiang's voice.
Lu Yongchang looked confused. He stood up subconsciously and turned his head to look around.
Familiar scene.
This is...his college classroom!
If I remember correctly, this was his first physics class in his sophomore year!
He quickly took out his cell phone from his pocket and turned on the screen.
September 6, 2030!
Re...reborn?!
In an instant, countless complex emotions emerged in Lu Yongchang's mind.
Confusion, sadness, loss and a little hope!
Mandated by Heaven, may you live long and prosper forever.
This is the origin of his name.
It turns out that the name was not wrong.
In his previous life, he held the highest position among human beings, but... due to his mistakes, human civilization was completely destroyed.
In this life, he wants to redeem it all!
But...what should I do?
"Lv Yongchang! Did you hear me?"
Professor Guan Hualiang on the podium was so angry that his face turned red.
In all his years of teaching at Sandaokou University, he has never seen a student who is so disrespectful to his elders!
Lu Yongchang looked up at Professor Guan Hualiang on the podium and the blackboard behind him, his eyes moving slightly.
Maybe... he needs a chance to make a splash!
Next moment!
The countless formulas and words brought by the fluorescent green tree diagram swirled back and forth in his mind like a storm!
