I Have a Little Black Hole

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Liu Helong then explained the reason for the failure of the Biosphere 2 experiment plan: The Biosphere 2 experiment was originally carried out in a state of crossing the river by feeling the stones, although the scientists at that time had already studied the earth's biosphere. Many research results, but these results cannot support such a complex experiment.

The Biosphere 2 project is designed to carry out ecological and environmental research in a closed state, to help humans understand how the earth works, and to study whether humans are suitable for survival under the conditions of simulating the ecological environment of the earth.

In order to be as close to the natural environment as possible, the soil, turf, sea water and fresh water in this circle are all taken from different geographical areas outside and reused through certain artificial treatment. For example, the seawater used in the experiment is prepared by mixing the incoming seawater and fresh water in an appropriate proportion.

Why did this experiment fail? Scientists have concluded that in addition to more carbon dioxide, less oxygen, and water cycle imbalances, the imbalance in the relationship between biological species is also an important reason.

It turned out that although the designer simulated a variety of ecosystems in the Biosphere II, the introduced organisms were mainly producers, with fewer species and numbers of animals, fungi and bacteria, pollinating insects died, and some plants It just blooms and doesn't bear fruit.

Due to the reduction in the type and amount of animals, there are few plants, and there may be a reason why the proportion is wrong. In the real biosphere, the average amount of atmosphere, water, plants, etc. corresponding to each person is so vast, and what about No. 2? The ratio of environmental resources to people is seriously small. With just that little bit of air, water, plants, etc., even living alone is not enough, let alone a few people.

More carbon dioxide and less oxygen are the result rather than the cause. More carbon dioxide and less oxygen are because there are relatively few plants, which are not enough to convert so much carbon dioxide produced by humans and plants themselves and release oxygen. The consumption rate of oxygen is higher than the rate of production, while Production of carbon dioxide is higher than consumption.

We all know that the earth we live in now is a huge biosphere system. It is very, very complex. It is almost impossible to simulate it with a laboratory!

As the largest ecosystem on earth, the structure and function of the biosphere can maintain a relatively stable state for a long time, which is called the homeostasis of the biosphere.

First, from an energy perspective, the constant stream of solar energy is what keeps the biosphere functioning properly. The conversion of solar energy into bioavailable chemical energy is achieved through photosynthesis of green plants. This is the energy base on which the biosphere rests.

Second, from the point of view of matter, the atmosphere, hydrosphere and lithosphere provide all kinds of necessary substances for the survival of organisms. The three-pole structure formed by producers, consumers and decomposers in the biosphere connects the complete loop from inorganic to organic, through the multi-level utilization of various organisms, and then decomposed into inorganic and recycled. The biosphere can be said to be a materially self-sufficient ecosystem, which is the material basis for the existence of the biosphere.

Third, the biosphere has multiple levels of self-regulation. For example, when carbon dioxide levels in the atmosphere increase, plants will enhance photosynthesis and increase their absorption of carbon dioxide.

When an organism becomes extinct, other organisms that play the same role in the biosphere will take its place; when the number of a phytophagous animal increases, the number of related plant populations and natural enemy populations also changes, so that the population of this animal population increases. Quantity is controlled.

Although the biosphere has the ability to maintain its own homeostasis, this ability is limited. The impact of human activities on the biosphere has exceeded this limit in many aspects, posing a serious threat to the stability of the biosphere.

It is precisely out of concern about this threat that our company's interstellar immigration plan is so important, and if we want to truly complete the colonization, how to allow humans to survive in the colony for a long time is the most important thing to consider.

That's why our experiment is so important, and because the environment outside the planet we want to colonize in the future is of course different, our laboratory construction plan adopts a closed construction design.

If you carefully look at the outer layer of the laboratory we designed, you can see the advantages of our design. All the system departments of the entire laboratory are closed together.

And in order to better simulate various complex alien environments, all of our laboratory constructions adopt a double-layer construction design. In addition to shielding the influence of the external environment, the outermost layer will also install a large number of environmental simulation equipment to simulate The impact of conditions such as extreme hot and cold environments, cosmic ray impacts, and meteorite impacts on the ecosystem.

The interior of the laboratory integrates all the equipment of the whole ecological circle cycle, such as water circulation system, oxygen circulation system, animal and plant circulation system and lighting system, etc. We have carried out detailed design of the equipment required for the system.

Of course, these devices also need the support of various branches and laboratories. This is another reason why we bring this plan to the company's regular meeting for discussion instead of directly handing it to the boss for approval. Without everyone's full support, we ourselves It is impossible to complete such a huge construction plan!

Such a closed-loop design almost does not need to consider the interference of external factors on the interior of the laboratory, so it can be built anywhere, and there is no need to go all the way to find a desert to build a laboratory.

However, because the scale of our laboratory construction is indeed large enough this time, in order to save construction costs, we can also find an area with cheap land to buy land. Anyway, the transportation is so convenient now that there is no problem where to do the experiment.

What's more, our company's artificial intelligence system and intelligent robot can help us better manage and maintain the laboratory, so don't worry!

After listening to his explanation, both Lei Tiantang and the others understood why their laboratories did not need to be built in the desert to avoid the influence of the external environment.

Indeed, even if the laboratory is built in a desert with a relatively simple ecosystem, it is difficult to meet their experimental needs. After all, their experimental plan is not a simple simulation experiment like the Biosphere 2 experiment.

The purpose of their experiments is completely different. The Biosphere 2 experiment is to simulate the earth's biosphere and to see the performance of the artificial biosphere in a small area. The content of the experiment is closer to the earth's environment, and even the most important sunlight is natural light. , how could such a simple experiment meet the needs of the ecological circle construction of the colony after interstellar immigration!

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