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Generally speaking, in the weightless environment of space, water should float in the air and assume a spherical shape, as shown in the picture below. However, during the Shenzhou 13 space lecture, a photo of a water cup caused some confusion. From the picture, it can be seen tha
Why doesn’t the water on the space station float out of the cup?
05/21
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Although infinity is a rather illusory and abstract concept, and it is quite taboo in physics to use any definition of "infinite", it is still a very interesting question. Let's not talk about "infinitely long" ladders for now. Perhaps it is more acceptable to use "long enough".
Can we use an infinitely long ladder to leave the earth without reaching the first cosmic speed?
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Due to the vastness of the universe and the diversity of life, many people have always believed that aliens should exist in the world. In recent years, with human exploration of cosmic civilization, both scientists and ordinary people have become more concerned about extraterrest
The Love Island star claims to have seen a UFO with her brother, and says her phone was interfered with by three purple aliens
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[Source: Sichuan Ecological Environment] List of recommended search keywords for Sichuan Ecological Environment: Green Pioneers, the most beautiful grassroots environmentalists, illegally purchased red pandas, traded pangolin flake products, macaques, musk, and illegally caught w
Illegal acquisition of red pandas? Sichuan announces top ten typical cases of combating crimes that damage biodiversity
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If you neglect them, they will rot. Dr. Estelle Lazar, a forensic archaeologist from the University of Sydney, spoke to ABC News about your pearly whites after death.
What happens to your teeth when you die
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To put it simply: the speed of light is 300,000 kilometers per second, which is indeed very fast, but light does not require any power to reach the speed of light, and there is no acceleration process. To put it bluntly, light is "born" at the speed of light, and it must be the s
The speed of light reaches 300,000 kilometers per second. It is so fast, what is the power?
05/21
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There is a plot in science fiction movies where a person is frozen in ice due to an accident. When he thaws out and wakes up again hundreds of years later, he faces a completely different world than before.
The world's first frozen man took 2 years to thaw. Has he been successfully awakened?
05/21
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In order to meet the growing needs of semiconductor customers for large-area scanning and nanoscale metrology, Park Systems (Park Systems, hereinafter referred to as Park) has recently launched the Park NX-Hybrid WLI semiconductor machine, which can provide users with comprehensi
Park launches powerful new semiconductor tool "Park NX-Hybrid WLI"
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Our country has a vast territory and has all kinds of terrains. Among them is a kind of landscape, the cause of which scientists have not been able to figure out yet. The story starts with NASA satellites in the United States in 2014. When they passed through the sky over Inner M
American satellites have made a major discovery: There is an "Eye of the Desert" in Inner Mongolia, China! The cause is a mystery
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Only three scientists worldwide have received this honor. Yuan Daoxian, a professor at the School of Geographical Sciences of Southwest University, is among them. He is a famous geologist, hydrogeologist and karstologist.
There are only three in the world, and the Chinese are among them
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"China wants to occupy the moon" - NASA Administrator Nelson's accusation against China in an exclusive interview with Germany's Bild newspaper became an international joke this weekend. Some foreign media also quoted his words with a strong sense of irony: For example, an articl
It became an international joke! What is the origin of the man who said "China wants to occupy the moon"?
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1. In 2021, a piece of news officially announced by Canada caused quite a stir in the entire scientific community. According to relevant news, Canadian officials discovered a female sub-adult wolf cub in the permafrost area. Interestingly, this little wolf died about 57,000 years
The permafrost is melting massively, and the remains of prehistoric creatures have appeared. Is this a new crisis for mankind?
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Especially in the aerospace field, everyone is scrambling to be the first. Since ancient times, the weak will choose to emulate the strong, so many countries regard the United States as an example for them to learn from and as a goal to pursue.
Is there only a 15-year gap between the aerospace capabilities of China and the United States? Aerospace academician: The real gap may be far more than that
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Text | "China Science News" reporter Zhang Shuanghu 35 years ago, when the National Natural Science Foundation of China Youth Science Fund (hereinafter referred to as the Youth Fund) project was established, it was "reserved" for a young person for one year. Immediately afterward
Academician Deng Zixin: After receiving 50,000 yuan from the Youth Fund, my mood is no less than the millions today
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On June 23, the Changer Dingyao 64 rocket lifted off from the Xichang Satellite Launch Center, sending three remote sensing satellites of the Ministry of Agriculture and Rural Affairs 3502 Group A, B, and C into low Earth orbit. However, this is not all of its mission. According
The arrival of China’s solar sail is not the first time it has entered space. We cannot miss it anymore in the new era of navigation.
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I wonder if you have noticed a special-looking plant when you often go to the river in summer. There is a wetland park near my home. In the summer, I will go to the wetland park with my family. When passing by a place with water, I can see a plant that looks like a sausage, becau
Cattail: looks like a "sausage" and is common near water. It has many values and is full of treasures.
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Site Latest News
Why are some people willing to spend millions of dollars to buy a car? In addition to face reasons, many consumers also care about the product quality and after-sales service of big brands. In people's minds, those global luxury car brands should have very high product quality an
A Maserati worth over 1 million yuan leaked after 4 days of delivery. The person in charge asked: Can you just return the car if you don’t want to?
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This accident can be said to be a relatively common type of traffic accident. According to most people's understanding, after a rear-end collision occurs, the vehicle behind is usually fully responsible. This is mainly because our country has a very strict regulation. , that is t
Is the car behind you definitely responsible for the rear-end collision? There are at least 4 situations where it is not the case, and there is even no responsibility
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Mr. Zhang recently planned to buy a car, but he was torn between a fuel car and a pure electric car. Oil prices have been rising recently, and the cost of using fuel vehicles has increased significantly. This is an aspect that Mr. Zhang is more concerned about. However, electric
I’m too confused about buying a car. I want to rent an electric car to experience it first, but I didn’t expect to invite a “dad”
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Our country's automobile market is the envy of foreign countries. Because of its large population, the number of cars consumed has become a huge one. However, due to different groups of people, the more popular cars on the market today cannot satisfy all consumer groups. Some nic
"Copycat luxury cars" cost tens of thousands of yuan each, and there are still an endless stream of buyers
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Whether you're traveling leisurely or on the road, the all-new BMW X6's charm is unstoppable. The Off-Road Package, which includes adaptive two-axle air suspension, demonstrates dynamic driving performance at all times. The dazzling light screen grille and the "X"-shaped laser he
Model Recommendation-New BMW X6 Enjoy the surging and fearless journey
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Director Xu Fuxiang has already turned on Chen Bolin's comedy switch through the movie "The Stranger". Now he is collaborating with Chen Bolin again and has transplanted this comedy method again, but it is much more restrained than during the period of "The Stranger".
Chen Bolin's "The Algorithm of Justice": How the modern version of Song Shijie reverses the situation in court
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