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What exactly does Hawking do? Is his prediction credible?
(The illustrations in this article are all from the illustrations in Hawking's works. )
There are three main achievements in astrophysics: 1) singularity theorem.
1965 1970, he used roger penrose to prove "singularity" and "black hole".
They pointed out that when the energy of a big planet burns out, it will collapse into a singularity with infinite density. The attraction of this singularity is so strong that the optical limit is attracted by it and cannot escape. This is the "black hole"-the boundary of the black hole is called the time horizon, and everything that can pass through the time horizon falls into the black hole and ends in singularity.
Hawking also proved the area theorem of black holes, that is, with the increase of time, the area of black holes remains unchanged.
2) Black hole theory
1970 1974, the further study of black holes made me make an amazing discovery all my life: black holes are not completely black, and particles and radiation can leak out of black holes in the microscopic delay of cosmic significance.
He pointed out that black holes radiate like hot objects, which is the famous Hawking radiation.
3) Universe borderless theory
1974, he studied the integration of general relativity and quantum mechanics into a unified theory and put forward a scientific hypothesis: the universe is finite in time and space, but they have no boundaries.
Hawking's scientific works include: A Brief History of Time: From BIGBANG to Black Hole, with the theme of time and space. The circulation exceeds 10 million copies.
The universe in the shell explains the origin of the universe with relatively simplified brushwork and a large number of illustrations.
"Great design", he put forward the famous "philosophy is dead!" He wrote, "Philosophy can't keep up with the modern development of science, especially physics. In our journey of exploring knowledge, scientists have become torchbearers. "
In his book, he put forward the "dependency model theory of human cognition" (in fact, it is also a philosophical epistemology).
Hawking predicted that there were three, four and five, taking the middle four.
1) The planet hit the earth in 2032.
It is said that some Ukrainian scientists have discovered an asteroid, or will have the opportunity to hit the earth in 2032.
Can you believe it? I don't believe it anyway!
2) 1000, human beings migrated to other planets.
Hawking once said in a speech in Los Angeles that in the future 1000 years, it is almost certain that the earth will be destroyed by a catastrophe, such as nuclear war or greenhouse effect. Therefore, he stressed that human beings must migrate to other planets.
Believe it or not!
3) Aliens monitor human beings
At the launching ceremony of the Royal Society of Science in London on 20 15, Hawking said: "In the infinite universe, there must be other forms of life. Maybe alien life will stare at us. "
It is really possible that only the earth can have life in the universe!
4) Intelligent robots will be the terminator of human beings.
Hawking has repeatedly said that "the complete development of artificial intelligence may lead to the demise of mankind."
This is so sci-fi, even the cleverest machine is man-made, not made by God. People must have a way to control it when they make it. I thought Hawking's later predictions were for reference only! Just say it! Thank you for inviting me.
Stephen Hawking, one of the great men with international reputation in this century, was born in 1942. Born on the anniversary of Galileo's death,
University of Cambridge
In the 1970s, he and Penrose proved the famous singularity theorem, for which they both won the Wolf Prize in Physics of 1988. He is therefore known as the most famous scientific thinker and the most outstanding theoretical physicist in the world after Einstein. "He also proved the area theorem of black holes.
Hawking's life is very legendary, and he is one of the most outstanding scientists in history in scientific achievements. His position is
University of Cambridge
He suffers from Luger's disease (amyotrophic lateral sclerosis) and has been in a wheelchair for 20 years. However, he was physically and mentally disabled and turned it into an advantage, overcoming his disability and becoming a supernova in the international physics community. He can't even write.
Speak inarticulate.
science and technology
If the prediction of the end of the world is always wrong, it is also incorrect. Most people who predict the end of the world are from the perspective of religion, and some people without religious beliefs are even full of fear for the future. Most of them have not been cashed.
Hawking predicted that in the next 1000 years, it is almost certain that the earth will be destroyed by a catastrophe, such as nuclear war or greenhouse effect.
Hawking predicted: "Human extinction is possible, but not inevitable. I am an optimist and I believe this. "
science
Hawking also predicted that the earth will be hit by an asteroid in 2032, which is likely to lead to the end of the world and the destruction of mankind in 2032. Is it true?/You don't say.
At present, the scientific community has different predictions about Hawking. Some people think it is possible, while others think that the destruction of the earth in 200 years is too absolute.
Although everyone has different opinions after Hawking's prediction was published, it is really urgent to protect the earth's ecological environment. (From Du Niang)
Hawking is a famous scientist. He studied cosmology and founded the theory of black holes. It is difficult to predict that suffering will happen just because of illness and people need to take care of it. Whether Hawking's prediction is credible depends on the objective view of the problem and whether it conforms to scientific principles. Generally speaking, Hawking's prediction is based on the fact that man can conquer nature, which has some imperfections. The destructive power of human beings to nature and the whole life of the earth is enormous and can destroy life. Based on this, a series of predictions have been made for mankind in the near future. The destructive power of atomic bombs and hydrogen bombs is mainly radiation; In the near future, there must be instruments to eliminate radiation, so that atomic bombs and hydrogen bombs are useless. From a scientific point of view, water and oxygen on the earth can exist for at least10 million years. By then, mankind will be able to emigrate to other planets. In one or two hundred years, the earth was full of flames. I don't know if it's solar fire or friction fire. What combustible substances are there on the surface? The earth has existed for hundreds of millions of years. This is really against the laws of nature. It is also an impossible natural phenomenon that the collision of small celestial bodies causes catastrophe; According to the increase of surface gravity and hardness, no small natural celestial body has destroyed life for hundreds of millions of years, let alone hundreds of years. ! Certainly does not conform to the objective law. Again, it is wise to think of the problem as more complicated and serious.
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