I Built an Underground Noah’s Ark

First, 2500 meters, back to the original text. Don't talk about 10,000 meters. (But I know you still want to say that the technological level is not high enough) "The Wandering Earth" also has dungeons, which does not mean that this book is comparable. Books like "Twenty Thousand Leagues Under the Sea" and "Journey to the Center of the Earth" are more suitable for those who want to read more logical possibilities. The author has basically straightened out the logic and idealized it within his ability. It's difficult for science fiction writers to correct everything, let alone the entire Internet. Who can explain "rebirth"? The distinction between soft and hard science fiction is also understandable. And later on, there are some psychological warfare plots with the Criminal Investigation Bureau. I think it is relatively watchable, and the plot is also reasonable. And if you insist on insisting on this logic, well, if you ask the question, then you should not tell the author how to go about it. Well, if you want to fill this loophole, fill this logic, and make a patch, you have put forward a bunch of theories, but you have not solved the reality of this problem. Then where do you want to go with your so-called hard science fiction? The author is an online writer. He is not a scientist or a professional with a professional background. Of course, these loopholes will be solved by professionals like you who ask questions. Of course, I think reading requires thinking.  Let's discuss it. I still think that before reading a book, you should find out your own position and taste. Just read the introduction and not the original text, there is really no need. Personally, I think it should encourage creation rather than kill enthusiasm.

Readers who have fully subscribed to the latest chapter said that the first half of the novel was really well written, but it became unreadable when the Star Alliance began. As an old science fiction reader, I originally thought it was a routine online novel after reading the first twenty chapters, but the Ponzi scheme described later leverages the upstream and downstream of the industry. The protagonist is imprisoned and later placed under house arrest in a dungeon. He can still regain his confidence. The character description and characterization are very good. It is a pity that the author does not seem to have read many hard science fiction works on social and international relations. He does not seem to have a background in science and engineering, and he does not know much about modern science. The poisonous point in the first half is the same as everyone said. The main reason is that an engineer who has not received modern scientific education can do rockets. No engineering student will understand that there is nothing to do with genius. It is simply a fantasy to build underground cities in poor countries such as Africa and South America. There is no transportation system and electricity and water conservancy infrastructure. Even if we build it, it will take ten years to start. It is better to look at the railways built with China's aid and a large number of countries and island countries with altitudes near or even below sea level. How to build underground cities. It would be a fantasy to detonate a volcano under the sea, and it would be a huge project to exploit all the oil under the sea. I think these parts can be read as online articles. If you want to write hard science fiction, you should make up for it and be a little more serious. The second half of the Interstellar Alliance is really hard to watch. It is outrageous that the aliens are all carbon-based organisms, and there is not even reproductive isolation. They live and think alike. You must know that even if humans evolve on planets with different environments for a long time, they will become different species. For example, the biological jump evolution in Australia. Because the planet environment is more different, the carbon-based life forms may be completely different. Not to mention the high-latitude civilization of mechanical insect swarms, read more hard science fiction to write such a grand narrative. Otherwise, it will become a national war with an interstellar background, without any science fiction color at all. It is strongly recommended that the author stop writing hard science fiction works. Your writing style is good, and the plot and psychological description are very good. You will get good results if you change the subject matter that you can control. Hard science fiction is really not suitable for liberal arts students. I see that you are going to go to space and fly battleships before going to high school. The little boy has become an engineer. You may not know that you have to take the mechanics test to fly a small plane. The minimum for astronauts is 985 for a master's degree and a doctorate. You have to study more than 20 years to pave the way for modern basic sciences to mathematical physics. You don't know how to do engineering without knowing basic theory. You are repairing radios here. As a programmer, I really can't stand your writing style if you're a science student. Isn't the audience for hard science fiction all the same? Why not write something lighter? I won't read any more. I hope that if the results are not good, the author can finish it and start a new book on a specific subject as soon as possible. I will support it if I have time. Come on.

Not bad, very interesting, and the thinking is very clear! Especially in the face of alien civilization, it is particularly rational! After all, human technology has only developed for a hundred years, and a hundred years is so short! Since alien civilizations have developed this method of quickly expanding the universe such as space folding, we can know that their technology is incomparable to humans! If you just colonize the earth, you don't even need biotechnology, you just need to capture humans and develop a virus based on human DNA, then basically all humans will be dead in less than half a year! It's impossible for an alien civilization to have such powerful technology that it can't even make such a simple virus! Don't look at a technological civilization that has developed for tens of thousands, hundreds of thousands or even millions of years with the perspective of humankind's century-old technology! And don't think about how you can deal with the alien spaceships with a single nuclear bomb when they arrive. Regardless of whether they are close to the earth or not, even if they come in, your nuclear bombs won't be able to hit them! The universe is huge! But the area that a civilization can explore and develop is only so large. When a civilization discovers a civilization in its own area, it can only be a war, and it is impossible for you to develop! In war, either capture them as slaves or do research, or directly attack the planet in the universe and directly hit the planet!

Digging a shelter thousands of meters underground? How to solve the Pantiri Cave Effect, water source, food, air, temperature, and atmospheric pressure? Digging out a space between the upper mantle and the mantle transition layer that can support the survival of most people in two years? Do you still want to solve the above problems?

I have never understood why aliens invaded the earth. The earth does not have any special resources except life, and even life may not be considered a precious resource on a cosmic scale. Except for the simple purpose of eliminating the invasion of other civilizations, the cost of invading other civilizations by civilizations that can freely navigate between galaxies far outweighs the benefits.

Please, this is a novel. The author has tried his best to be logical. If according to your opinion, then all the novels cannot be read. Why time travel, why rebirth, why the language is the same after time travel, why the calculation method of life span is the same after time travel, why the year, month, day and time are the same, why why, there are too many. If you want to be so stupid, just don't read the novel.

❶First of all, it is an underground city under 10,000 meters. First of all, it is impossible to hide it from government agencies by your standards. Secondly, human technology cannot build it. And thirdly, it is impossible for you to have the money to build it. This can refer to China's largest construction site "Xiong'an New Area" ❷According to your approach, if you want to fool aliens, the environment can be purified by itself in more than ten or decades. I don't think aliens who can fly at the speed of light have the ability to simply observe the atmosphere or even modify the environment. ❸The technology tree has many forks, and there are dozens of mechanical forks. It's not like you, a so-called mechanical expert who has never understood and studied, can solve the technology of drill bits or even aerospace rockets. ❹The so-called detonation of the Yellowstone volcano, I won't mention whether the United States is blind, let's just talk about where you can get 4 nuclear bombs. If you could dig up the Yellowstone volcano and even plant four nuclear bombs right under the nose of the United States, why would you bother doing so? ❺ Even if you solve all the technical problems, you will build a top construction team and recruit hundreds of thousands of workers. You will not think that such a large project can be completed by just a few hundred people. I only saw that Chapter 12 has too many flaws, so I can't arrange a system. If you don't have a systematic way of writing with just these few birdmen, you can't even build an underground village of several hundred meters.

Aliens that can travel across the universe cannot detect 10,000 meters underground? Very... Imaginative

Um, actually, how did you complete the shelter ten thousand meters below?

It's okay for food and grass. Many people say it's 10,000 meters. The author made two patches later. One is that the 10,000-meter shelter was changed to 2,500 meters after discussions among scientists. The other patch is that the 10,000-meter shelter before the protagonist's rebirth was actually only 1,000 meters. The protagonist was deceived by the construction team.