Chen An's patience was not strong enough to practice continuously for 24 hours.

After consuming one thousand units of third-grade energy crystals, Chen An left the training room and learned that Fei Yi and Luo Yu had gone to the carriage.

[Reminder: The twenty newly acquired signal base stations have been deployed. The star network currently has sixty base stations. The high-precision detection range has been increased to 150 billion kilometers, and the extreme detection range has been increased to 300 billion kilometers.]

"Shh, terrifying! If we get a few hundred more base stations, wouldn't we be able to extend our detection range to light-years? I remember a light-year is about nine trillion kilometers."

The new base station comes from the Double Sword Clan’s train. Chen An didn’t pay much attention to it before, but now he realizes that this is also the key point.

[Trains have detection limits, and the range will not be expanded indefinitely due to the increase in base stations. A four-star train can only accommodate 80 signal base stations.]

"Actually, we can't get that many base stations. How much time is left for the star upgrade?"

Ten hours left

Chen An could see through the screen that carriages were being built at high speed behind the train, but the key position was obscured by white fog. Not only could he not see clearly, even Fu Yao could not get detailed information.

"What's there to be wary of? Do you think we can build the carriages ourselves just by looking at them?"

Not to mention the body material, with the current technology of the Fuyao train, it is impossible to add trains without damaging the environment inside the train.

Chen An was just about to go to the market to have some drinks and feel the lively atmosphere, but he didn't expect that the research center had produced some results.

"The accelerator was successful?"

Chen An originally planned to go to the scientific research center, but finally gave up and simply checked the experimental results in the cockpit.

[With the help of new materials, the extraordinary particle accelerator successfully operates and can operate stably for a long time]

The screen shows a top view of the accelerator, which is a ring structure.

[The Institute of Physics has submitted a 3,000-page experimental report. Please review it.]

If it were anyone else, they would definitely not be interested.

But Chen An was very interested and started reading quickly from the first page.

With his level of enhancement, he can remember all the content at a glance without missing anything.

Three hours later, Chen An came to his senses and filed the report.

"After strengthening my brain, my memory is super strong. I can understand things as I see them. I can even make them myself. I'll give rewards to the Physics Institute and the Weapons Institute, mainly in the form of star coins and energy crystals."

The accelerator was jointly developed by the two research institutes, and both have made significant contributions.

In the next two hours, Chen An conducted in-depth research with the help of Fu Yao and figured out the basic principles of the extraordinary railgun.

Chen An excitedly said: "The biggest limitation of the extraordinary railgun is the material and energy crystal conversion, which can be accomplished by the accelerator. In other words, we already have the ability to manufacture sub-extraordinary railguns."

The reason why the word "Ya" is added is that no matter how it is manufactured, it is impossible to achieve perfect replication at the current stage, and we can only get as close as possible.

[Reminder: Master, if we build a sub-transcendent railgun, our Transcendent Civilization Level will rise to 0.9.]

“Why is there still 0.1 left?”

[Level 1 extraordinary civilization needs to make extensive use of super powers in daily life, such as super cars, super appliances, etc.]

"There's no other way. We don't have a complete system of extraordinary technology. If we want to gradually research and perfect it, who knows how many years it will take."

Chen An then sent his idea to the Weapons Research Institute and asked Director Steno to try to build a sub-supernormal railgun.

Steno actually didn't think that far. He was shocked by Chen An's idea, but he was willing to accept the challenge.

The remaining five hours were spent simply, and the train was finally upgraded to a new star.

[Train upgraded to four-star]

Detailed data and instructions appear on the screen.

【Train】Fuyao

【No.】D1314

[Level] Bronze (4 stars); Level 0.8 (Extraordinary Civilization)

【Master】Chen An

[Load] 25 million people

[Actual load] 9.73 million people

【Defense】Level 4

[Firepower] Level 4

[Power] Level 4

【Energy】68% (remaining)

[Status] 100% (Perfect)

…

The train's overall defense has reached level 4, and the body's defense has been further enhanced, completely shielding it from intrusions by psychics of level 7 or below.

[The train's firepower has been upgraded to level 4. Sixty thousand matrix laser cannons have been added to the train, with the number of cannons increased from four to eight. Six hundred electromagnetic railguns have been added to the roof, with single-shot now capable of continuous fire.]

The train's power level has been upgraded to level 4, increasing speed by 30%, reducing braking time by 30%, and reducing energy consumption by 10%.

The train's energy reserves have doubled, and now more energy is needed to support consumption.

[Sixty new carriages have been added to the train passenger compartment, and fifteen patrol ship landing pads have been added to the defense layer]

[Train radar upgraded, detection range increased to 5 billion kilometers]

[A special defense carriage has been added to the rear of the train, equipped with a 5,000-tube laser array. This carriage can be modified at will.]

…

"What? Sixty extra sections for me?"

Chen An slid the screen and found a panoramic view of the train.

The car body is much longer, and if you count carefully, it is indeed sixty sections.

In other words, the total number of carriages on the four-star train reached one hundred.

“Even though it can hold more passengers, why do I feel more bloated?”

The train is well-structured and not bulky, so the owner doesn't need to worry.

Chen An continued to admire the overall structure of the train. What pleased him most were the laser cannons on both sides, which looked even more majestic.

The Samsung train only had 40,000 four-barrel matrix laser cannons, but now it has been increased to 100,000 eight-barrel matrix laser cannons. Comprehensive calculations show that the laser cannons can fire 800,000 laser beams at full power.

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