Starting from Zero

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"About the fourth technology, it is not a space technology in itself, but a technology for launching large-scale objects. [Recommended reading of popular novels: Skyfire Avenue without pop-up windows]" I explained: "Everyone knows, launch Spacecraft is a very energy-consuming behavior. For example, we are now struggling to launch only a few tons of satellites. In the universe, many large space warships may weigh more than 10,000 tons. Although this type of spacecraft also has power, It will be very powerful, but it ’s really energy-consuming if you rely on your own power to get off the surface of the planet. Therefore, some planets will have special devices to help large tonnage spacecraft take off. "

"What kind of device is it?" Someone asked.

"In fact, it is not a special device. It should be similar to an electromagnet, except that this thing is directionally emitted and uses gravitational waves instead of magnetic fields."

"Gravitational waves?"

"Yes. To put it simply, a huge gravitational wave generating device is installed on the surface, and then the spacecraft that needs to enter space enters the area above the device. When the device is activated, an upward gravitational wave is generated, supplemented by A special repulsive force field boosts the spacecraft directly into space without the ship's own engine starting at all.

This technology is widely used on the creators' planets. Its unit mass launch cost is higher than that of a space elevator, but its own construction cost is very low, the construction difficulty is very small, and maintenance is simple. The most important point is that rail elevators can carry scattered cargo or small spacecraft that can be packed in containers. However, for some large spacecraft, rail elevators are obviously not suitable. This device is just complementary to a track elevator, and is a launch device with high safety and very low construction cost. The creators' military launch systems are basically based on this, and rail elevators are more like civilian technology.

As far as our current situation is concerned, we simply don't have enough technology to complete the track elevator. And even with that technology, there is no time left. But the structure of this launcher is very simple. According to my estimation, we can complete at least a few thousand of these things around the world without affecting other construction projects. "

"So what's the use of this launcher?" One tycoon asked.

"A lot of uses. For example, the spacecraft can directly enter space without consuming any fuel. This means that our spacecraft can save a little more fuel. In addition, because of this technology, we will start from now, The immigration ship can be modified to reduce the size of the fuel tank and free up some space for more dormant cabins. In this way, some people can be taken away without adding additional workload. Don't you think this Is it a good thing? Even if the space saved is not used to hold people, it is a good choice to bring more resources and equipment. Do you not want to take away all the antiques, famous calligraphy and paintings on the earth? "

Hear my last words. The gang's apparent reaction was different.

No matter how much society develops, there can be no real equality between people. Although due to the great crisis of human extinction, all countries have been ruthless this time, and migrant ships should try to reserve space for manned use. But even that doesn't mean that the tycoons will leave empty-handed. Many of them have actually planned to leave with some jewellery, antiques and calligraphy. And they are indeed capable of taking away some of these valuables. However, even if these tycoons have the ability to bring these things, they still cannot take away their entire collection, because even they. A compromise must also be made in the face of the great crisis of human extinction, so what each of them can take away may be less than one-third or even one-fifth of their collection.

For such things. Will these gangsters have no idea? of course not. So when they heard that they could make a lot of space, this group of people immediately got excited.

What they didn't know was that the space saved on these ships was actually much larger than they thought.

Although these migrant ships under construction in various countries around the world currently use super electromagnetic engines and propellers left by aliens. But when taking off, human rocket booster technology is still needed to help launch. Some people may know how bad rocket boost technology is. You can see how big those rockets are when launching satellites, but how big are those rockets? A rocket is dozens of stories high, and the satellite only accounts for one percent of the volume. The remaining space is basically fuel tanks.

If migrant ships can enter space without relying on their own power, it means that we can not only reduce the volume of fuel tanks, but even eliminate the need for rocket boosters at all, and save this part directly.

If it did, it would mean that today's migrant ships can maintain their original performance without removing one-third of the volume. What is the concept of removing one third of the volume of a spaceship? The savings are not just volume, but weight. This means that the construction cost and construction period of the new type of immigration ship will be greatly shortened, while the performance will be slightly improved. And if the volume is not reduced, then this extra one-third of the internal space can completely plug two sets of auxiliary thrusters or bring more people, or it is good to prepare more spare parts.

I don't plan to introduce them to these specific situations here, anyway, they will definitely ask them later. Of course, this kind of modification can only be applied to the spaceships that have not yet been built. If the completed immigration ships are reworked, they will delay time. It is better to build more ships than that.

In fact, I personally think that it is not bad to keep some immigrant ships with large propellers. The output power of the current super-electromagnetic engine we use is actually very small. It has no problem in long-term acceleration and stable endurance in space, but the explosive power is not enough. In case of emergency, it is difficult to modify the hull motion trajectory. The output power of the engines removed from the remains of the aliens is very good, but unfortunately there are not enough of these things, and they were originally propellers for small spaceships. We were installed on large spaceships, which means a little horse-drawn cart. Even if the thrust of others is very large, it is still relative to the original volume. Still not enough for big ships.

Although human's own rocket thrusters have many shortcomings, at least one thing is very good, that is, the explosive power is very high. Since the rocket boost is not needed when launching the spacecraft now, it is entirely possible to keep the fuel and wait until the emergency.

Of course, only these old immigrant ships can do emergency evasion, and it is estimated that the new construction will not have this opportunity. But I don't worry about it. Because according to the immigration plan, the population should be getting smaller and smaller during the immigration process.

According to the immigration plan, after the start of immigration, all the people who are taken away will enter the dormant cabin, and then these people's consciousness will be connected to the game world of "Zero", and survive and reproduce in it. At that time, the offline function of the normal account will be canceled, and everyone will be left in the game forever. If two people love each other in the game and want a child. Then the extractor in the dormant compartment outside will extract the germ cells from the two people respectively, and then complete the in vitro fertilization by automatic equipment, and then re-implant the mother after the embryo is stable. During this period, the mother's body will be moved into a special sleeping compartment for pregnant women. This sleeping compartment is larger in volume and has prepared a lot of corresponding equipment for pregnant women and fetuses. For example, equipment that can perform fetal education on the fetus and equipment to assist in childbirth.

During the pregnancy of this fetus, the female player in the game will have a synchronous effect, which means that the characters in the game will synchronously react with the outside, such as pregnancy reactions such as morning sickness and abdominal pain. When the actual fetus gives birth, the game will also be synchronized. When the childbirth is complete, the fetus stays with the mother for a month in a special sleeping cabin for pregnant women. During this time, the dedicated sleeping cabin will perform professional-level automatic care for the fetus and pregnant women. Moreover, the biggest difference between this sleeping cabin and the ordinary sleeping cabin will also be reflected, that is, this sleeping cabin can allow pregnant women at the same time. Join the game with the fetus. The normal sleeping cabin can only allow one person to access the game.

After one month, the fetus and mother will be removed from the sleeping compartment of the pregnant woman, the mother will return to the previous ordinary cabin, and the baby will be sent to the infant-only sleeping compartment until the baby reaches the age of three. Connect to the game in the dedicated sleeping cabin, and then transfer to the ordinary cabin after the age of three. Of course, the people in the game can't feel the conversion of these sleeping cabins, and the state in the game will be like in reality, directly giving birth to the child, and then slowly raising the child to grow up. This process will not change. .

This whole process can guarantee the normal reproduction of human beings, but according to the plan, after immigration starts, human beings will implement a comprehensive family planning policy. Because the number of dormant cabins has been constant during take-off, there is no way to build more dormant cabins on the way. Even if you bring a small number of spares, you must also consider that the dormant cabins are damaged. Therefore, the population must be controlled, or it will be troublesome if the newborn does not have a dormancy capsule.

These migrant boats are designed according to the human beings have been in a dormant state. If someone leaves the dormant state, it means that his consumption will exceed the consumption of a normal person, because after offline, people cannot lie still, and once their muscles are active It must consume more energy than dormancy. Moreover, people who wake up need more space, and there is not so much space on the spacecraft. What's more dangerous is that if someone inside does something that endangers the safety of the spacecraft because of boredom or some motivation, it will be even worse. If one's nerves fail, it means that tens of thousands of people will be buried in a boat. No one can afford this loss.

Therefore, the simplest and most practical way is to control fertility.

The birth rate of European countries has not always been very high, and the probability of accidental pregnancy after the start of immigration will be reduced to zero, because as long as you do not apply for fertility, the system will not help you to collect germ cells to conceive an embryo. The words of love should actually be said to be "communicative". No matter how many things are done, there will be no children.

Because developed countries have the capacity to build a large number of migrant ships, those countries with scary birth rates ca n’t actually walk a few people, and the birth rates of developed countries are already low. As long as some policies are made in the game, a couple is required. Having only one child, you need to spend money to buy more, or do difficult tasks in the game, anyway, set some levels, find ways to limit the second child. In this way, only two offspring will be produced for every two adults, so that the population will be reduced from generation to generation.

Of course, we will not keep the number of humans below the warning line, but in the end we will control the population on the immigration ship to about one tenth of the time when it takes off.

When the spacecraft takes off, try to take everyone with you. This is humanitarian, and controlling the population after takeoff is necessary. Moreover, one tenth of the final population standard is also a calculated conclusion.

Since the entire immigration process can take thousands of years, during this period our immigration boat will inevitably have various problems. When it first took off, it was definitely not a big deal, but after a few hundred or thousands of years, the proportion of aging and damage to equipment on immigration ships must be very high.

In space, we have no way to build new equipment to replace, so all we can do is dismantle the east wall and fill the west wall.

As the population of immigrants declines, we can make some equipment a spare. Break down the replaced damaged equipment and keep usable parts for repairing other damaged equipment. In this way, the equipment support time will definitely be longer. Moreover, when necessary, we even dismantle some of them to repair damaged ones. Anyway, this kind of thing must exist during the whole voyage, and it can be expected that when the fleet takes off and when it arrives at its destination in the future, the number will definitely differ greatly. The boat is full, then we have to face the multiple-choice question of choosing to abandon some people, and we don't want to make this choice, we can only plan ahead. In this way, when the equipment or the spacecraft is damaged, and we need to abandon some spacecraft, we can concentrate the population and then dismantle the empty ship without people. Isn't it more calm?

As long as family planning is implemented, the population decline is actually very fast. After a few hundred years, most of the spaceships should be fine, but the population must have decreased a lot. By then, those spacecraft with additional rocket thrusters can be used. After hitting and using, we can even have a second acceleration to let the fleet reach their destination faster. It can be said that this is all foreseeable.

Listening to the beautiful blueprint I painted, the tycoons were all very excited, and they were all there to figure out what to do when the time comes.

After they calmed down a little bit, I continued to talk and summarized this contact. After that, these guys hurried to talk to their own people to discuss how to make good use of these technologies. As for me, I came to these pilgrims again because they still need to discuss with me in detail.

The previous spiritual network connection only transmitted things like knowledge and memory. Ideas still needed to be communicated. This thing could not be copied.