Humans have not appeared on the earth for a long time. About 8 million years ago, human ancestors appeared and began to gradually evolve towards modern Homo sapiens . Under the promotion of genes and surrounding environment, humans eventually evolved into smart species, becoming the only intelligent life on the earth, ruled the earth.
Humans rely on fossils to study their own evolutionary history. The excavation and research of fossils are the key to uncovering the history of biological evolution. By calculating the age of fossils and 3D modeling to restore the original appearance of fossils, we can find the ancient part of the history as much as possible, so that we can have a deeper understanding and understanding of history. There are many scientists who have made great contributions to the study of human history and promoting the progress of human technology, such as Hawking .
However, people have a high evaluation of Hawking. Hawking made great contributions to physics, which no one can erase. Hawking mainly proposed theorems of Hawking radiation, singularity theorem , etc. It is worth mentioning that the "Hawking's Brief History of Time " written by Hawking has been liked and admired by many people. As we all know, Hawking is plagued by illness, and his illness has caused him to sit in a wheelchair for the rest of his life, and he has driven the process of physics with only two hands.
Before leaving, Hawking also gave a warning to humans, saying that we should avoid communicating with aliens.
People are very confused about this, and they don’t know why Hawking proposed this theory. Did Hawking see something?
In fact, Hawking did not just leave this remark. On the contrary, Hawking also made many prophecies during his lifetime, three of which were the most famous.
First, he believes that artificial intelligence can help human progress, but artificial intelligence is also a time bomb and cannot be fully developed. Artificial intelligence is one of the main directions of human research at present. The emergence of artificial intelligence can greatly facilitate our lives and promote social development. What Hawking is worried about is that artificial intelligence will independently evolve consciousness, which will affect human survival. We can also see scenes like this in some movies.
2 is the ability to travel through time and space. Time travel is a very unsightly function. With the development of the times, many people believe that humans will develop the ability to travel through time and space in the future. According to theory, as long as our speed exceeds the speed of light, we can theoretically return to the past and even go to the future. However, many scientists have also said that it is impossible for us to achieve time and space travel, nor can we go back to the past, because it is almost impossible to exceed the speed of light.
3 is related to aliens. Aliens and alien civilizations have always been the things that humans pay most attention to, and they are also committed to finding traces of aliens. However, this process is very difficult. Humans have been studying and searching for hundreds of years, but they have never found relevant evidence to prove the existence of aliens. However, we can see reports of UFOs almost every year, but the authenticity of UFOs remains to be verified.
The reason why Hawking was worried about aliens was just because Hawking believed that alien technology was much more advanced than humans, and humans had no knowledge of aliens at all. If they rashly search or send communication signals, it may bring greater risks to human survival. Humans and other species in the universe should avoid direct communication as much as possible, but instead "develop vulgarly" in their own domains to reduce their presence and avoid being discovered.
But obviously, we did not unilaterally follow Hawking's predictions. We have made a lot of efforts on the road to studying aliens. For example, Voyager 1 is highly expected by people and is the most promising probe to rush out of the solar system. Voyager 1 also carries a bronze record. The record is made of special materials and can be preserved for 1 billion years. A lot of information about the earth is burned in the record, including 55 kinds of prophetic greetings and various music information.
In addition, humans also emit many signals in the depths of the universe, hoping that other civilizations of the universe can receive and reply. These are the ways for humans to explore alien civilizations.
Although Hawking's warning was also out of good intentions, his prophecy was not necessarily correct. With the development of the times, the progress of science and technology will surely push mankind to the universe. The road to conquer the universe will definitely be the goal of mankind for millions of years and billions of years in the future, and the earth will no longer be the only home for mankind. The development of the deep space field means that humans will continue to step into the universe and build their own space fortress, thus stepping out of the earth and establishing bases in the universe.
