Ten years later, in October of the fifty-second year of the galactic calendar.

Early autumn.

Ten years have passed since the war that involved the death of humanity, and during this decade, humanity has been fully integrated into life in the Fire Galaxy.

At present, the total human population has exceeded 11 billion, of which only 8 billion live in New Earth, and the remaining 3 billion, some are engaged in mining, manufacturing and other work on Planet 2, and some work in nuclear fusion processing plants in the synchronous orbit of Planet 3.

Due to the maturity of wireless transmission technology, half of the energy in New Earth and Planet 2 will now be provided by these nuclear fusion processing plants, and in addition, nuclear fusion processing plants will be the largest material production base of mankind.

Various alloys, nanomaterials, and even picomi materials have been manufactured.

The size of the human fleet has also expanded to 50 million people, and it has two major fleets: the mobile fleet and the service fleet.

Among them, the mobile fleet has 12 satellite-class warships, 180 small planetary-class warships, and one planetary-class warship under construction.

These warships have basically reached the level of a fourth-level primary civilization, constituting the main force of the human civilization battle fleet.

The service fleet is dominated by asteroids, warships, and meteorite-class warships, including 58 small-star warships and more than 2,000 meteorite-class warships.

These low-cost military spacecraft constitute the main force of the service fleet, and are mainly used for escort, patrol, approach reconnaissance and other tasks.

The combat effectiveness of these spaceships has reached level four, which does not mean that the level of science and technology and industry of human beings has reached level four.

In fact, human civilization is now at a rather peculiar stage.

Their basic theory has completed the construction of a complete system from level 1 to level 4, but their basic industrial level is still just at level 3, and they have not even reached the primary level of level 3.

Of course, they've been learning all these years. Chen Xin brought back a considerable number of engineering application scientific and technological materials of low-level civilizations from the Tianqin civilization, such as the technological processes of various new materials, mechanical and electronic instruments of various functions, and the overall design drawings of new warships.

These materials account for less than 10 percent of the engineering and technological systems of the entire third- and fourth-level civilizations, but it will take at least one or two hundred years for humans to fully digest them, which is a big challenge for human scientists and engineers.

Engineering applications are progressing at a rapid pace. The basic theoretical aspect should not be left behind.

Although human beings have obtained a complete theoretical system from the first to the fourth level of civilization, scientific and technological progress has always needed experiments to verify, you just know this theory, even if you know that it is correct, but without experimental testing, you will not be able to really understand this theory.

Therefore, conducting physics experiments under the guidance of existing theories has become the first choice of many top scientists.

But then, the problem arises.

Because according to the current level of engineering technology of mankind. Some high-energy physics experiments simply can't be done.

To use the simplest analogy, when humans first entered the third-level civilization, their hadron collider reached 500 TeV (electron volts), at this energy level, human beings have been able to discover the Higgs boson, which can be called the landmark technological application of the third-level civilization.

However, when it comes to the level of fourth-level civilization, if human beings want to verify the theory of the grand unified field, the collider energy level that needs to be verified is as high as 10^12TeV.

500 TeV and 10^12 TeV, which is a difference of ten exponential orders of magnitude. For physicists, this is the desert of physics.

And humanity has entered the Flame Galaxy for the past decade. Although it has developed rapidly, the technology currently mastered by mankind can only build a particle collider of 10,000 TeV at most, and there is still a gap of 108,000 miles before it can reach the level of verifying the grand unified field theory.

This requires technological progress in engineering science and technology to promote.

According to Chen Xin's estimates, if it is developed normally, it may be two hundred years later. Only after the construction of the Ring-2 orbital collider can humans carry out particle collision experiments on the order of 10^12TeV.

However, thanks to the existence of Steel, in the past ten years, Steelhammer has built a large number of factories inside Planet Four, and has created a large number of artificial intelligence in these factories. As long as there is WALL-E control, it can operate autonomously.

These automatic factories not only provided a large number of warships for mankind, but also manufactured countless experimental equipment for mankind.

Among them, the orbital particle accelerator of Ring-2 is the largest project.

In addition, after New Earth, the second human habitation spacecraft, the Saturn, was also put into construction.

The spacecraft, which is similar to New Earth, has a diameter of 800 kilometers, and will be built independently by humans without any technical support.

According to the plan, the spacecraft will be officially put into operation in the 100th year of the galactic calendar.

In this process, human beings will master a large number of engineering technologies that should be mastered by a third-level civilization, and the experience of space construction will become more mature than ever.

In addition, another major project carried out by mankind is the life modification project of Planet 2.

Although Planet 2 has no water and no life, Planet 3 does.

Although Planet 3 is a gas giant, the water vapor content in its atmosphere is as high as 5.8%, and humans have deployed a large number of liquid water processing plants in the synchronous orbit of Planet 3.

Then, microorganisms such as cyanobacteria will be gradually released into the water body of Planet 2 to modify the atmosphere of Planet 2, and in the future, human beings will not be able to have another Earth in the flame galaxy.

It's a pity that Chen Xin doesn't have the time to see this process, after ten years of preparation, he and Gangyi have left enough resources for human development, and he and Gangyi will go to the Death Star Field to explore unknown secrets.

……

The New Earth, in the manor where Chen Xin lives.

Mu Yunshan was helping Chen Xin sort out some of his personal belongings.

In the past ten years, Mu Yunshan has become a member of the Supreme Committee of the Human Alliance in charge of economic affairs, and has many intersections with Chen Xin.

The relationship between the two is very peculiar, they are not friends, let alone lovers, Mu Yunshan disdains Chen Xin to see one and love the other, and Chen Xin respects this beautiful girl with a lace history.

But Mu Yunshan is the only woman who can quarrel with Chen Xin and go in and out of Chen Xin's manor, and she has never been married. (To be continued......)