Dragon Ball - King of Super Membranes

Those terrible creatures ravaged the surface of the earth and gradually evolved into the huge dinosaur race that we now have fossils unearthed from.

At that time, there were only a handful of humans left, hiding in the most advanced defense facilities to resist the occasional intrusions of various dinosaurs. People at that time understood that if this continues, mankind will definitely perish. Human beings no longer have the ability to take the world back into their own hands, so they made crazy decisions.

They used the most terrifying weapon of their time, a force capable of destroying planets. The reason why they didn't use it before was because they understood that once this power was used. Maybe humans can survive, but everything on the surface will be wiped out, the environment will be completely destroyed, and it is unknown whether humans can survive. But now we have no choice but to use it even if we start over. Therefore, a small number of the remaining humans at that time voluntarily became suicide squads, returning to the surface with planet destroyers whose energy had been compressed to a very small size. Then they detonated it in what is today the Yucatan Peninsula.

The terrible shock wave instantly set off everything within a radius of thousands of kilometers, blasting a big crater into the earth. A large amount of smoke rose up and blocked the sunlight, and various animals and plants died. Dinosaurs, as living creatures, could not continue to survive in such an extreme environment and gradually died out.

It's not easy for humans at this time. In the deepest corner of the world, there are only less than tens of thousands of people left to eke out an ignoble existence.

Due to limited conditions, there is no way to carry out production activities. The level of science and technology is constantly declining, and all top-notch items are used less per day. Humanity understands that this is not the time to worry about the demise of civilization. It must first preserve its race.

Under such a general direction decision, almost all top technologies were abandoned and were only stored on items that could be preserved for a long time, which was the most primitive method-carving. But humans don’t want to remain in the golden age. Minority. Knowledge but hopes to retain a large amount of knowledge, so passwords are used to concentrate a large amount of information in one place, just like the lossless compression of the past or the current three-dimensional code. First, through flat painting, the simplest pattern is used to express the most information, and then the image is given concave and convex to achieve a three-dimensional effect, making the content geometrically times that of the QR code. In the last dwellings of mankind, there are occasionally places where conditions permit, so even four-dimensional codes are used that humans have not yet been able to achieve. Layers of information were covered, and each layer was presented in a three-dimensional form, forming a whole stone tablet. This was even the most advanced recording method at the time. After all, all equipment that could not be preserved for a long time could not be used.

In addition to normal survival behaviors, everyone is busy with this at other times. Everyone understands that it is impossible to keep the most magical technologies. We can only record them so that future generations can pick them up again. Maybe one day humans can achieve this again. Brilliant point.

This kind of record still cannot retain all the information, especially the basic content. It is obviously unreasonable to rely on such records to record all the research from ancient times to the present. The most basic things are like what later generations call "Newton's Law", "Molar Mass", "Goldbach's Conjecture", "Evolution Theory" and "Geostrophic Deflection Force" (actually created by the previous generation of humans, and then discovered and studied by the immortals) It is simply impossible to keep all these contents in the world in the form of records. Human beings no longer have so much recording space. All content after completion of recording is continuously thrown out. The last gathering place of mankind. Most were thrown into the sea, where the currents carried them far away.

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