Su Wei Li
The invention is one percent inspiration and ninety-nine percent perspiration。
What are cosmic rays? What are the dangers to people?
Cosmic rays exist almost anywhere in the universe, even on our planet. It is a stream of high-energy particles from space, consisting mostly of individual protons and nuclei of elements, but also electrons and photons, neutrinos, etc.
What happened to the artificial satellite that reappeared after 13 years of disappearance?
Since the Industrial Revolution, mankind has been on the road of technological development, and the rapid development of science and technology has given mankind the hope to go out of the earth to explore the universe. The first human-made satellite lifted off in 1957, marking the first step toward space and opening the door to the space age. Thus, the history of human space development is only a few decades, while the development of mankind in the field of space is a leap forward.
Apollo 18 mission, found on the back of the moon 100 million years ago spacecraft, is it true?
Introduction:From the beginning of the industrial revolution to the present, the level of human technology has also been improved by leaps and bounds. A long time ago, human beings explored outer space, the earliest was the exploration of the moon, because the moon is the closest celestial body to the earth. 2008, photos about the moon caused a hot debate on the internet, in which the spacecraft-like objects also gave rise to exaggerated ideas.
Is the speed of light unsurpassable and does the FTL phenomenon really exist?
When it comes to the speed of light, we should first think of Albert Einstein and his theory of relativity, one of the greatest achievements of physics in the early 20th century. Relativity fundamentally changed the old concepts of time, space, and motion and established a new space-time.
The prehistoric giant saber-toothed tiger with brittle teeth and low bite force, what makes it a dominant beast?
When it comes to prehistoric dominant beasts, people always like to bring out the saber-toothed tiger, but did you know that? The saber-toothed tiger does not refer to a particular animal, but a certain class of prehistoric animals with saber-tooth characteristics. This includes the subfamily of saber-toothed tigers, cat hunters, and even iguanodonts and marsupial saber-toothed tigers.
Do you have a lot of questions for children", a treasure of books to answer your various doubts
When faced with the little kid in the house, I usually selectively ignore her because I don't know what kind of things she has in her little head, only that every time she asks a question, I may need to look up the information and then answer it. So when "Do you have a lot of question marks, little one" was no longer a joke, I felt that I needed to solve all the problems in my head in advance.
Mysterious material found 12 billion light-years away from our solar system blocks everything in our solar system!
Since the 21st century, scientists have not stopped their research on extraterrestrial life. These research results are naturally not all shared out, the main reason or fear of causing public panic. Among these unpublished research results, there is such a definite theory as Earth-style prison. A long time ago there was a saying that humans are not real earthlings, because humans are not evolved at all, it is very likely that tens of thousands of years ago aliens used the earth as an alien prison and exiled the humans they created to the earth for observation experiments while hiding their existence. Shaped like a god living in the hearts of people. All these words sound very absurd but are explored by scientists in real.
Deep underwater 10,000 meters, in the deepest part of the ocean, the Marianas Trench, water pressure is hard to imagine
The water in the Marianas Trench is crystal clear, but the magic is that as long as more than 100 meters below the seafloor, vision will be weakened can not see what the bottom of the sea looks like, vision is extremely limited, and there was a hair over the explorer set a record of - 113 meters. Why say below 100 meters vision is still blurred it, the reason is the role of the human's magnetic field, as long as within a certain depth, humans began to hallucinate, began to lose their way, for divers, down to the bottom of the sea must have contrast things to distinguish the direction.
The world's longest cave is 668 kilometers long: walking half a month can not finish, and still getting longer
For friends who like to travel, they should have seen a lot of various natural caves or man-made caves, such as the Huanglong Cave in Zhangjiajie, the Tenglong Cave in Lichuan, Hubei, and the Furong Cave in Chongqing, all of which have very beautiful scenery, strange cave surfaces, winding, and full of mystery. The length of their cave is not long, the tour also tops a few minutes to get out. But the cave we are going to talk about today is the longest in the world with a length of 668 kilometers.
If you die and are launched into space, what happens to your body? Does it decompose or turn into a star?
With the increasing development of science and technology in various countries, many countries have realized the desire to enter space. Human exploration has been going on, and currently, nearly 600 people around the world have gone into space, but exploration is a great and dangerous undertaking, and the process is not always smooth. So far, 19 people have died while on missions. So what do the remains go through when you die in space?
Folk tale: The master wanted to kill the male donkey, the donkey gave him a dream in the middle of the night: wait until your daughter is full moon before killing me
During the Tang Dynasty, there was a young farmer named Li Peigen in Puzhou who was honest, honest, and loyal. When Li Peigen was twenty years old, he married a woman named Ying Xiao from a neighboring village under the arrangement of his parents.