Of course, human physicists are far from completing the framework of physics in the standard model even in the dark forest world.

The difficulty is even above proving the Riemann conjecture in the field of mathematics, and completely unifying algebra and geometry.

Therefore, it is unlikely to complete this task in the world of Earth Cannon.

Unless the geosynchronous orbit accelerator under construction can smash quarks and fundamentally show a brand new particle or even string world, then Pang Xuelin spent decades of research to establish a brand new system.

For Pang Xuelin, this is of little significance.

In the world of earth cannons, he prioritized the mission, and used existing technical means to develop strongly interacting materials as soon as possible.

Then I was trying to find a way to rescue Chen Jing from the inside of the earth core.

In the following time, Pang Xuelin began to focus on the research and development of strongly interacting materials.

In the dark forest world, humans have completed the research on the technical route of strong interaction materials. Therefore, Pang Xuelin only needs to repair and repair it on this basis, so that scientists in the earth's cannon world can complete the same task under his guidance.

Time passes day by day.

Before we knew it, a year passed in a flash, and it was the day to communicate again that we had agreed to with Shen Jing.

That morning, Pang Xuelin finished breakfast in the cafeteria and went straight to the Neutrino Communication Center.

At present, Pang Xuelin's workplace has been moved to the Earth Cannon Engineering Science Center near Mohe.

Here we bring together hundreds of thousands of scientists and engineers from all over the world, and their main job is to provide services for the various scientific problems that will be encountered in the Earth's cannon project.

Fifty kilometers away from this location is the entrance to the Mohe end of the Earth's cannon project.

At present, there are two construction sections of the Earth Cannon Project, one starts from Mohe and the other starts from Antarctica, with the total construction period expected to be around twenty-five years.

Among them, new solid-state materials are naturally the top priority.

The density of this new solid-state material is between solid and electron degenerate materials (white dwarfs, dozens of tons per cubic centimeter, and the largest density substance on the earth is metal osmium, with a value of 22.8 grams per cubic centimeter). The density is three orders of magnitude higher than that of ordinary heavy metals, equivalent to dozens of kilograms per cubic centimeter.

The Sunset 6 Earth-Aircraft spacecraft is about the same size as a Boeing 737 passenger aircraft in the real world, but because the shell uses new solid-state materials, the total mass of this Earth-Aircraft spacecraft is directly caused by more than 500,000 tons.

During the initial crust construction stage of the entire Earth cannon project, humans' daily excavation progress is about 100 meters. Once they enter the mantle, with the strong density of the new solid-state material, humans can easily use their own weight to sink, and then extract the magma in the tube. By then, the daily engineering progress will reach the level of kilometers.

In other words, humans in the world of Earth cannon have completed the research and development of nuclear fusion to support such a majestic super project.

According to estimates, after the project is completed, several metal and magma mountains will appear at the entrances and exits of the Earth's cannon project.

...

When Pang Xuelin entered the neutrino communication center, Chen Yuan was chatting with Shen Jing.

The calmness on the screen is still wearing thick heat insulation clothes, which doesn't look much different from a year ago.

"Senior Brother Pang, you are here!"

Seeing Pang Xuelin, his quiet and beautiful eyes smiled into a pair of crescent moons, and there was a hint of surprise in his eyes.

Obviously, Chen Yuan had told the other party about the achievements Pang Xuelin had made in the past year.

"Junior Sister Chen, long time no see!"

Pang Xuelin said with a smile.

Chen Yuan said: "Alin, I will hand over Jingjing to you next. You have 24 hours. You can take Jingjing to the outside world to see!"

"Okay! Teacher, then we'll leave first."

Pang Xuelin took the quiet "eyes" from Chen Yuan, put them on and went out directly.

"Junior sister, where do you want to go this time?"

After coming out of the Neutrino Communication Center building, Pang Xuelin looked up at the sky. The weather was very good today, the sun was shining and cloudless.

"What a blue sky!" Chen Jing took a deep breath and said, "It's great, can you stand there and stop? I want to look at the blue sky. This feeling is great, just like when I'm almost suffocating in the water, my head can suddenly stretch out the water surface to take a breath of fresh air."

Pang Xuelin sighed in her heart and said with a smile: "Okay, you can watch it as long as you want!"

Pang Xuelin stood there for more than ten minutes before continuing to move forward.

Along the way, the passing lawns, green trees, wild flowers, birds, and cicadas can make the quiet excited.

When he arrived at the parking lot, Pang Xuelin drove his flying car into the air. He first took a quiet visit to the science center of the Earth Cannon Project, and then went straight to the construction site of the Earth Cannon Project!

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The Earth Cannon Project Construction Site is located on the outskirts of Mohe City. At this time, a huge funnel-shaped deep pit had been dug out. The diameter of the funnel was about 300 meters and the depth was more than 100 meters. At the bottom of the funnel, there was a bottomless black hole with a diameter of ten meters.

Countless construction vehicles and machinery are entering and leaving the construction site, like hard-working workers.

He looked at the huge construction site quietly and was silent for a long time before saying, "Senior Brother, I heard from my father that you really have a way to rescue me from the core?"

Pang Xuelin smiled slightly and said, "To be precise, now I just have a better idea. I discovered lazy neutrinos, which can help us accurately locate the location of Sunset 6. There is also a strong interaction material that is also under development. I expect it to be successfully developed within three years and will be used on our new generation of Earth-Airship spacecraft. Then you will be rescued from that purgatory."

Jing Jing laughed and said, "Senior Brother, I am not that scary at the bottom. I am just a little bored. Apart from recording scientific research data every day, I can only read books or something for the rest of my time. I occasionally recall the life on the ground, and I live a fulfilling life."

Pang Xuelin smiled and said, "It's best if you have this mentality. Junior sister, you'll be optimistic. If you get it fast, it will take five years, and if it's slower, it will take ten years, and you will be able to experience everything on the ground again!"

"Well, Senior Brother Pang..."

"What's wrong?"

"Thank you!"

Pang Xuelin smiled and said, "Junior sister, the family will not speak two families, and you are the teacher's daughter. Just as you are a member of the Earth-Ship Spaceship, I will not be able to refuse to save you. Okay, where do you want to go next? I will take you there now."

"Well... let's go and see the sea. I want to see the sea under the moonlight, and I also want to see the sunrise on the sea!"
Chapter completed!