The question "what will the world be like in a thousand years?" sounds absurd, because it seems impossible to predict the future even a hundred years ahead. Nevertheless, scientists and futurists make assumptions and seriously consider various options for the future of our civilization - even for a millennium ahead. At the same time, theories do not exclude each other, but rather complement each other.
A future with aliens - why not? Some are convinced that the aliens are already among us. Finding extraterrestrial intelligent life is likely to be difficult, on the verge of the impossible. It will be necessary to develop space technologies to a qualitatively different level, to take all possible precautions … But the end of the corporate "loneliness in the universe" is definitely worth it.
An off-Earth future is sad, but not the worst. Our planet can be destroyed by natural disasters, or we simply run out of minerals, and then we will have to look for a new home. Mars seems like a good starting point … but the main dreams, of course, are related to the colonization of other star systems.
A future with limitless energy and a clean environment can be achieved through the invention of advanced nanorobots. They would purify water and air, while providing the needs of humanity, collecting solar energy. Given the current problems of the Earth, I would like to see such a step as soon as possible.
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A future without the problem of overpopulation. The population of the Earth is growing by 1-1.5% every year, and at this rate in a hundred years it will double. And if there is enough space on the planet for a hundred times more people, then the issue of world hunger is much more acute. The way out is not only a technology that allows you to create nutritious and cheap food "out of thin air", but also the correct distribution of material resources.
The technological future implies not only the development of technology, but also a literal fusion with it. Today we are using more and more information and entertainment gadgets; perhaps the day is around the corner when displays will be built right into the eyes? The fusion of human and computer is not as scary as it seems - at least one need not be afraid of the uprising of machines
A future with intelligent machines is a logical continuation of the previous point. If we are unlucky enough to meet aliens, intelligent robots created by ourselves can become our neighbors. Considering how much artificial intelligence will develop over a thousand years, it won't be boring for sure.
Space exploration from Earth will play a critical role in the future. We will be able not only to understand how the universe works, but also to predict any cosmic dangers that threaten our planet in order to effectively prevent them. In addition, the search for signs of extraterrestrial intelligence and new planets for colonization has not been canceled.
Space travel in the future that we would like to see should be as simple as traveling on Earth. It is necessary to take into account not only the endless technological aspects, but also the negative impact that a long stay in space has on people. Perhaps this will be solved by modifying human DNA.
Extending human life in the future is one of those tasks, the work on which is unlikely to ever stop. A variant of the solution is medical nanorobots, which cleanse and protect the body along with leukocytes, slow down aging and, of course, heal cancer. And that brings us to the next point …
Immortality in the future is the very ideal that, if not all, then the overwhelming majority of people are counting on. Whether it will be achieved through biotechnology, nanotechnology, or the fusion of people with machines is not so important. In 1800, the average life expectancy was 37 years, today it is about 70. Will we reach the limit or can we break it? It all depends on ourselves.
We will not touch upon options such as the enslavement of humanity by aliens or robots, a zombie apocalypse or an ordinary world nuclear war - science fiction writers and Hollywood will gladly do this for us. Let's try to look into the distant future with a positive - maybe some of us can even live to see it?
Sergey Evtushenko