The Dyson sphere built by Yu Qian'an is definitely not an extra-large Dyson sphere, but an energy collection device built in the Dyson sphere mode. The difference in volume and size between stars and planets is huge. Just like the earth, the sun is 1.7 million times larger than the earth, not to mention Yu Qian'an's trains.
It can be said that even if you mine all the energy and minerals in the entire star system except for the stars, the collected materials cannot be used to build a Dyson sphere device that can surround the star. At most, it can only be used to cover the star with a layer of membrane.
To build a Dyson sphere, one must concentrate the resources of at least dozens or even hundreds of star systems. Moreover, that thing is only suitable for long-term survival. For someone like Yu Qian'an who only stays for a while and then leaves, it is not suitable for construction at all, and the cost cannot be recovered.
Therefore, the Dyson sphere structure proposed by scientists is a solar sail-like thing that has been added with capsule technology. These things can be arranged into pieces or lines, connected by cables, and then the collected solar energy can be transmitted back to the spacecraft in the form of microwaves, or directly used to power weapons for launch.
The initial structure is a simple solar sail system that continuously refracts sunlight, and then uses the concentrated sunlight on the planetary fragments in the asteroid belt, directly vaporizing the fragments into an isolation belt, and cutting out a section. Yu Qian'an's robots and passengers will first land on this section to search, and then cut the next section after the search is completed.
The purpose is to prevent these Zerg from suddenly mobilizing and gathering to be surrounded by the passengers and robots sent by Yu Qian'an.
These solar sail structures were built at a rapid pace, and soon their expanded area was several times that of the Earth, and it could increase several times every day. After concentrating enough energy, those electromagnetic pulse cannons, laser cannons, etc. all opened fire, continuously bombarding asteroids in an area, with the goal of creating a 10,000-kilometer isolation zone.
Ten thousand kilometers may seem very long, but in the unit of this star system, ten thousand kilometers is just an extremely thin line.
Of course, asteroids are moving, and after creating the isolation belt, the solar sail area will continue to bombard it to prevent the small belt from connecting together again.
As the battle began, Yu Qian'an specially sent a frigate to protect the solar sail. The frigate not only had powerful firepower, but could also carry one billion combat robots, which was enough to deal with a planetary insect plague.
There is also a command group of about 100 people on the frigate, with Li Yunlong as the captain.
Li Yunlong has now reached the fifth level of the Five-Colored Myth, but his performance among Yu Qian'an's heroes has not been very outstanding. Maybe he is not a combat type hero, so he is always a little bit behind those heroes in battle.
Things are pretty good now. Yu Qian'an is fighting a large-scale war with the Zerg, and his battlefield command talent has been released again.
For Li Yunlong's safety, Yu Qian'an also sent Lu Bu and Zuo Qianhu as his deputies. One reason was that they were two powerful generals who could charge into battle, and the other reason was that if he was surrounded, these two could lead him out of the siege.
From this action, it can be seen that Yu Qian'an's action of manufacturing frigates was very foresighted.
One frigate is stationed in the solar sail base area, another frigate controls the isolation zone, and Yu Qian'an's train is located in another isolation zone.
Without these two frigates, Yu Qian'an might have to run around in three places in a panic, or send robots into and station them in deep space.
As Yu Qian'an began to bombard, just like the game of using firecrackers to blow up garbage dumps when he was a child, after an asteroid was blown up, a large number of Zerg flew up from the debris. Some came towards Yu Qian'an, some went towards the location of the solar sail, and others looked for asteroids in other locations to hide.
Looking at these Zergs scattering, it turned out to be just as expected, this group of Zergs had an ambush.
However, I don’t know whether this advanced Zerg was not smart enough or felt that it could still win, but after being discovered, it had no intention of changing its tactics and continued to let the Zerg hide.
Since the enemy did not move, Yu Qian'an continued to execute according to the original plan. After the two isolation zones were opened, Yu Qian'an sent one billion robots and one hundred thousand passengers to explore the divided areas.
As the robots and passengers entered the asteroid belt, a large number of bugs rushed towards them.
Because they knew in advance that there might be Zergs, these people did not disrupt their formation. They fought and retreated at the same time, focusing on eliminating the Zergs.
Yu Qian'an watched them fight for a while and asked, "Jia Xu, do you think some of the Zerg have evolved? Have their attack and defense capabilities against these robots been enhanced?"
Jia Xu: "Then let Zilong and the others capture a batch and bring it back for comparative study?"
Yu Qian'an: "Alright."
The research results came out soon, and the conclusion was scary. The Zerg were indeed evolving, and they would evolve accordingly based on the enemy's fighting style and weapons.
The good news is that only the newly born bugs have evolved; the old bugs haven't changed much.
Yu Qian'an: "It seems that our robots must continue to evolve, otherwise the battles ahead will only become increasingly difficult."
In fact, what limits Yu Qian'an's robot upgrade is not technological strength, but the scarcity of materials. Yu Qian'an can now mass-produce gold-level robots, which is obtained by plundering materials from one star system after another, so he can maintain a scale of more than 10 billion.
However, for the three-color myths that are higher in size, the materials of a star system may not be enough to make millions of them, which makes it quite painful to use them, and the effect may not be very good if the quantity is not increased.
This is when the benefits of biological weapons come into play. These Zerg only need to undergo specific evolution, and the materials required are much less than those required to build robots by Yu Qian'an.
However, Yu Qian'an cannot produce a special tri-color robot to deal with the Zerg, and then produce another one when encountering other enemies. That would be a waste of materials rather than this multi-functional robot.
Yu Qian'an thought about it and decided to mass-produce three-color mythical-level robots. After all, whether it is cost-effective or not is one thing, and whether you can win is another. In war, you can't just consider whether it is cost-effective or not. After all, if the robot fails because of cutting corners, the materials you save will become other people's spoils.
As the saying goes, if you don't use so many resources to produce weapons, are you going to use them to pay war reparations? This is the truth.
Yu Qian'an's current accumulated resources should easily allow him to produce 30 million tri-color mythical robots. Once the resources in this star system are mined, he should be able to produce another 5 million. While not as fast as the Zerg's production rate, the individual strength of a Zerg after its transformation is estimated to be at the top of the red range. A tri-color mythical robot could easily defeat a thousand, and Yu Qian'an doubted the Zerg could mass-produce tens or even hundreds of billions of this level of insects.
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