Douluo See You For a Long Time

The main engine of Natural Selection is ignited. Controlled nuclear fusion has become a relatively mature technology after years of technological accumulation. Although true propulsion without working fluid is still far away, interstellar navigation is no longer a problem.

The propulsion medium of Natural Selection is high-energy particles accelerated to close to the speed of light. There are two symmetrical high-energy particle accelerators inside the spacecraft, which can save working fluid to the greatest extent.

According to the law of conservation of momentum, it is not difficult to see that the faster the material is pushed out, the greater the acceleration it will bring to the spacecraft.

If it is an ordinary spacecraft, even if it saves propulsion medium, it will be difficult to achieve interstellar navigation. The reason is very simple. If a traditional rocket wants to carry more things, it needs to carry more fuel. However, the fuel itself It also has weight and wants to transport these fuels. It needs to carry more fuel.

However, the newly loaded fuel still has weight, thus forming a vicious cycle. Huge rockets may be able to carry only a tiny fraction of the mass of matter they carry. Most of the fuel's power is used to carry other fuels.

As a result, it will be difficult for a rocket-propelled aircraft to achieve interplanetary navigation. The total amount of fuel that needs to be carried to fly that far is simply terrifying.

That kind of cost is probably just transporting one person to Proxima Centauri, and the resources consumed can bankrupt a civilization.

The black technology in other worlds is different. In this other world, space technology is rampant. If a traveler doesn’t have a space ring, it’s hard to talk to anyone... It’s embarrassing...

As for Cheng Ying, he started his business by manufacturing storage equipment, so there will naturally be no shortage of such things.

Ever since, the problem was solved, and the vicious cycle no longer existed, because there was no need to worry about transporting fuel. In theory, he could even create and reserve a large amount of chemical fuel, and he could fly to Proxima Centauri with a chemical fuel rocket.

The propulsion medium and fuel carried on the Natural Selection can even propel it to sail thousands of light years.

A light year is the distance that light travels in a vacuum for one year, and the Douluo star's sun is only about four light years away from Proxima Centauri.

With such energy reserves, it is more than enough to sail to Mars.

In addition to energy systems and thrusters, an interstellar spacecraft also requires many devices, including life support systems and gravity simulation devices, not to mention these. A navigation system is also essential. Navigating among the stars is even more difficult than navigating the ocean.

The only reference for the spaceship is the stars in the sky.

But at a great distance, these stars are extremely small. To determine your own position, you must accurately calculate the changes in the positions of these stars in the sky.

In order to overcome various difficulties, this spacecraft was delayed for nearly ten years before it was finally built. But this time, Chengying is going to go to Mars personally with the ship.

His purpose is to leave a portal on Mars, so that next time there will be no need to drive the spacecraft back and forth so hard. You can send it through the office.

But there was one thing that he couldn't figure out, and that was what the coordinates of space transmission were based on. You know, no matter which planet in the solar system it is, they are all rotating and revolving.

So here’s the problem. You left the coordinates here. The next time you come here, the planet under your feet may have rotated or orbited and left its original position. Then it should appear in space after being teleported. But the actual location that appears is the original place where you left the coordinates.

Even if we don’t talk about the rotation and revolution of the planets, the entire solar system is still in motion. If you think about it this way, the space coordinates should appear somewhere in the universe.

From this perspective, all space capabilities have big problems. If you have to forcefully explain this phenomenon. It can also be said that space coordinates are positions in a certain inertial system, which can barely explain why. The coordinates left on the surface of the planet will not suddenly escape into space.

However, as the saying goes, practice is the only criterion for testing truth. In order to prevent himself from leaving behind space coordinates and accidentally teleporting to space later, Cheng Ying conducted a series of relatively rigorous experiments.

Designing experiments is actually not difficult. The practical purpose is to explore the performance of spatial coordinates in different inertial systems. When designing experiments, you only need to artificially create an inertial system. You cannot stop the earth's rotation and revolution. But a train traveling in a straight line at a constant speed can easily control its speed and even stop it directly.

The experiment was conducted on a section of railway that was close to a straight line. First, spatial coordinates were set at the rear of the train to keep the train running in a straight line at a constant speed.

Then he jumped off the train and started teleporting.

The result is very amazing! After jumping off the train, the teleportation location was not above the rails behind the train, but directly inside the train.

This seems to prove that the spatial coordinates indeed move with the inertial frame. A train moving in a straight line at a uniform speed is regarded as an inertial system by spatial coordinates.

But this was only the first step in the experiment, a second iteration of the experiment. This time the spatial coordinate is at the front of the train, allowing the train to keep running in a straight line at a constant speed. The spatial coordinates are arranged, and then the train brakes urgently and transmits again.

If the spatial coordinates are set in the inertial frame, the location where the transmission occurs is on the rails in front of the train, and the location of this coordinate will continue to move in that direction at the constant speed of the train.

But the result is that the location where the teleportation occurs is the location where the teleportation coordinates were originally arranged on the locomotive. This goes against the previous conjecture, and there are only two possibilities left. One is space coordinates, which is actually a kind of substance. Being left in something.

Another possibility is even more terrifying, that is, the spatial coordinates are actually an idealistic setting. Only the person who arranged the spatial coordinates will be teleported to the location he wants to go.

It seems that the practice of the third part proves that the space coordinates are material or set against one's will.

Now that the possibility of an inertial frame has been ruled out, time does not need a straight railway. All it takes is a lunar rover that can drive on the lunar surface.

First leave the coordinates on the car. Then let the car drive between supply stations on the lunar surface. Every time you pass a Buji station, replace a part and perform a teleportation to confirm where the teleportation location is.

Keep driving until every part on the car is replaced with a brand new one. This is originally a philosophical question. But now it seems that it has affected reality.

The results of this experiment will also determine the development direction of space technology.

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