The time came to 11:30 at night, and the number of people visiting the Nugget Gold gradually decreased.
The nugget was taken away by a large number of engineering mechas, and the controllers of more than 15 million humanoid robots also left.
These 15 million humanoid bionic robots automatically flew back to the five humanoid bionic robot bases on the moon.
On the way back to the apartment from the collision building, Su Zhe and Fan Xiaoming were walking and chatting.
"Three hundred thousand tons of gold sounds like a lot, but it only looks that big." Fan Xiaoming said with a smile, "But what is certain is that we will not worry about running out of gold for a long time."
Three hundred thousand tons of gold sounds like a lot, but it is actually only fifteen thousand cubic meters, which is about the size of two swimming pools.
After the gold nugget was dug up, it was actually just a big lump.
Su Zhe nodded and said, "Three hundred thousand tons of gold will be enough for a long time."
"Yes!" Fan Xiaoming smiled, "I mentioned the construction of a rare element manufacturing accelerator to the relevant departments. The reply to me was that a discussion meeting would be organized tomorrow to discuss the implementation details of this plan."
"Does this mean we agree to build a rare element manufacturing accelerator?" Su Zhe said with a smile.
"Can you agree? With the development of the solar system, the demand for rare elements is increasing. Mining is not enough, not to mention that the number of rare elements in the solar system is fixed." Fan Xiaoming said.
For the solar system, the storage capacity of those rare elements is inherently small, and even if all the rare elements in the solar system are mined, it will not be enough.
Su Zhe nodded and said: "According to the existing theory, there are very few rare elements in the solar system, otherwise they would not be called rare elements. In my opinion, it is better to consume some energy to mine rare elements so hard. Synthesize rare elements through accelerators."
After the completion of the Sanmen Project, many detectors were launched to celestial bodies in the solar system.
According to the data fed back by these detectors, elements that are rare elements on Earth are also rare elements in the entire solar system.
The characteristic of these rare elements is that they will not form large mineral deposits, and the refining process is also very troublesome.
As for the gold nuggets found on the moon, this is just a special case.
The solar system as a whole is very inefficient at mining rare elements.
In his opinion, it is better to use accelerators to produce rare elements more efficiently.
Fan Xiaoming said with a smile: "I think so too. As long as the sun exists, we will continue to produce rare elements through accelerators."
Fan Xiaoming nodded and said: "Even if the sun explodes, as long as we have sufficient energy, we can still produce rare elements continuously."
"That's what you said." Su Zhe smiled, "With the development of science and technology, human beings do not need to rely on the sun for survival, but at this stage we still have to rely on the sun. After all, our science and technology have not yet developed to that extent. .”
"We have research in this area." Fan Xiaoming said seriously, "But the conditions are not mature now, and the root cause is energy issues. According to current research, as long as we realize controllable nuclear fusion technology, then we can get rid of The sun, to be precise, has escaped from the stars and survived in the universe."
With the realization of controllable nuclear fusion technology, humans can continuously obtain energy.
With a steady stream of energy, the ecosystem built by humans can be maintained for a long time.
At that time, humans will be able to get rid of the stars.
Su Zhe nodded and said with a smile: "Energy is the core. Now we have to rely on the energy provided by stars to survive. Speaking of which, human beings are very fragile."
"Yes, it's too fragile." Fan Xiaoming nodded, "Many posts on the Internet say that in 1.5 billion years, after the sun's hydrogen has burned out, it will begin to burn helium, saying that the brightness of the sun has increased and it is unstable. It will be the Earth at that time. I think the end of mankind is quite funny. If humans don’t develop science and technology in 1.5 billion years, they won’t survive until the sun’s hydrogen is burned out. These people’s ideas are too beautiful.”
In his opinion, without actively changing the earth's environment, humans on earth will simply not survive another 1.5 billion years.
It's actually easy to explain.
For humans, their suitable living environment is very harsh.
Its temperature, air pressure, humidity, air composition ratio, etc., as long as one factor changes significantly, the earth's environment will not be suitable for human survival, and humans will disappear from the earth.
For example, global warming is often mentioned now.
This is an overall increase in global temperatures.
For the current earth, once the earth's temperature continues to rise, it will bring about a chain reaction.
The polar glaciers are decreasing, sea levels are rising, etc.
Its series of reactions will break the existing ecological circle of the earth.
At this time, the mass extinction of species on the earth began.
If a species has strong adaptability, it is possible to continue to survive. Those species that are not adapted to the current earth's environment will become extinct.
This is not alarmist. In the history of the earth, mass extinction of species has occurred five times.
Some people also say that the sixth mass extinction of species has begun, saying that the speed of material extinction has greatly increased now.
The reason why matter is extinct is that the environment in which species live has changed.
According to current research, after humans realize controllable nuclear fusion technology, there will be a steady stream of energy.
Relying on these energy sources, humans can maintain the ecosystem they have built.
For an ecosystem, its core is energy.
Su Zhe nodded seriously and said: "As of a year ago, if the trend continues, the earth's environment will undergo drastic changes due to the excessive development of human beings, and human beings will be exterminated in advance on their own. In the hand, but having said that, even if humans do not develop and live like monkeys, humans will not live for long on the earth, just like the creatures that disappeared in the five previous mass extinctions of life on the earth. In the final analysis, The earth's environment is constantly changing, and the environmental stability period of each state will not be too long."
In fact, this is easy to understand.
The earth's environment is constantly changing.
From a human perspective, the earth's environment changes very, very slowly.
But from the perspective of the earth, that is, extending time, the earth's environment is changing rapidly.
The reason for the five mass extinctions of life on earth is that the earth's environment has undergone major changes.
Fan Xiaoming agreed and said: "If humans do not actively interfere with the earth's environment and continue to develop according to the trend a year ago, it will be good for humans to stay on the earth for another three to four thousand years. Even if we live like monkeys, we will still be able to survive." Just live for hundreds of thousands of years.”
He wasn't talking nonsense when he said that.
In the past six months, research projects on the earth itself have increased significantly.
Coupled with the improvement of related technical means, the study of the earth itself has become more in-depth, as the core data it has mastered shows.
Since the industrial revolution, the changes in the earth's environment have accelerated, especially the use of fossil fuels, which has caused the proportion of carbon dioxide in the earth to continue to increase.
When the proportion of carbon dioxide in the air increases, it will cause a chain reaction and cause devastating damage to the earth's biosphere.
According to the analysis of the collected data, if the past development trend continues, in 3,500 years, the earth's environment will no longer be suitable for human survival.
Three thousand five hundred years!
In other words, if humans did not pay attention to changes in the earth's environment a year ago, humans will disappear from the earth in 3,500 years.
It is a real disappearance, the kind where no one is left.
Furthermore, according to the model established by analyzing the collected earth data, if humans did not have the industrial revolution, humans would still live a life of farming, animal husbandry and fishing, and humans would be able to live on the earth for another 500,000 years.
At that time, the earth's environment was no longer suitable for human survival.
According to the analysis of data, we know that the warming of the earth is a major trend. The industrial revolution and the use of fossil fuels only slowed down the global warming of the earth.
However, whether or not the use of fossil fuels still plays a large role in environmental changes.
Fossil fuels are used.
Three thousand five hundred years later, the earth's environment will no longer be suitable for human survival.
Without the use of fossil fuels, humans can survive on Earth for another half a million years.
Although humans will eventually disappear from the earth, the time gap between the two is huge.
One is 3,500 years, and the other is 500,000 years. Comparing the two, the former is not even one hundredth of the latter.
One can imagine how big the gap is in the use of fossil fuels.
Apart from these two situations, there is also the fact that humans live the same life as monkeys.
According to this situation, the earth's environment will be unsuitable for human survival in two million years.
From the comparison between these three, we can know that the emergence of humans has played a great role in the changes in the earth's environment.
At the same time, it also shows that no matter how hard human beings work, as long as science and technology have not developed to a certain level, human beings cannot escape the fate of extinction.
Of course, this was before.
But after the Sanmen Project is completed and humans enter the space age, humans will have the ability to change the earth's environment.
According to current science and technology, there is an 80% certainty that humans can survive on the earth until the sun’s hydrogen is burned out.
In other words, humans can survive on the earth for 1.5 billion years.
The reason why I say this is because now we have such technology that can comprehensively control the earth's environment.
With current science and technology, even if the earth's environment becomes no longer suitable for human survival, humans can leave the earth and survive in the solar system space outside the earth.
However, this is only a change in the earth's environment. If the general environment of the solar system undergoes major changes.
For example, the sun becomes extremely unstable.
With current science and technology, if the earth is no longer suitable for human survival, humans will come to the solar system outside the earth.
At this time, with the energy provided by the sun, the ecosystem built by humans can be maintained for a long time, and humans can thrive.
If something happens to the sun, it will be time for mankind to perish.
Humans, in general, are really fragile.
From the environment of the earth to the environment of the solar system, and even the outer space of the solar system, as long as there is a drastic change in any one of them, it may lead to the collective annihilation of mankind.
This is the cruelty of the universe.
In order to survive, human beings can only develop science and technology.
With the development of science and technology, humans can cope with various environmental changes.
Su Zhe nodded and said, "Yes! Fortunately, we have entered the space age and have more means to control the earth's environment. Three thousand five hundred years, it is a bit unreal when I think about it."
After the results of the 3,500-year-old study came out, many people were shocked.
The results were evenly split between believers and disbelievers.
The results are really scary.
Three thousand five hundred years later, the earth's environment is no longer suitable for human survival, and humans will disappear from the earth.
The most important thing is that it is human beings themselves who have accelerated the process of human destruction.
"Yes!" Fan Xiaoming said, "But looking back, if there had been no industrial revolution and humans had not used fossil fuels, humans would not have reached this stage today, and humans would not have entered the space age. Although humans were in the The day of destruction is approaching at a faster pace, but once a certain point is exceeded, the day of mankind's destruction will be greatly extended."
In his view, mankind's industrial revolution, use of fossil fuels, and development of science and technology are all right.
Even if we develop these things, humanity will be getting closer and closer to its demise, and if we don’t develop it, the existence of humanity may be a little longer.
But the former still has a glimmer of hope compared to the latter.
Even if this glimmer of hope is not grasped, both humans will perish. The only difference is the length of time they exist.
The fundamental human need is survival.
Only development can survive, otherwise we will only face destruction.
The former has a glimmer of hope, while the latter is absolute destruction. The difference is that the former dies quickly, while the latter takes a longer time.
Let him choose, he will only choose the former.
It is correct to develop science and technology.
Just like now, human beings have chosen to develop by coincidence, although they were indeed cheating themselves in the early stage.
Its development has accelerated the changes in the earth's environment, making the earth no longer suitable for human survival in three thousand years.
If mankind is unlucky and human science and technology cannot get rid of the earth, then mankind will perish in 3,500 years.
Looking at it now, mankind's luck is good. Human beings are freed from the constraints of the earth and can enter the sky on a large scale.
And humans have the ability and technology to control the earth’s environment.
In other words, whether mankind will perish now depends not on changes in the earth's environment, but on changes in the environment of the solar system.
Human beings have walked away from the earth and begun to set foot in the solar system outside the earth.
For today's humans, as long as the sun is stable and does not change drastically, humans can survive until the sun goes out.
In general, when humans develop science and technology, they are actually cheating themselves and accelerating the changes in the earth's environment.
If the earth's environment becomes no longer suitable for human survival, the end of mankind will come.
Judging from the current results, humans are lucky.
Originally, humans only had 3,500 years to live. After the breakthrough, the time of human existence was greatly extended.
According to mankind's current science and technology, mankind can survive as long as the sun does not burn out.
