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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?
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Editor: Yang Xiangyu Proofreader: Zhang Lu Micro (nano) plastics refer to plastic particles, films, fragments, pellets and textile fibers with particle sizes ranging from tens of nanometers to several millimeters. They are dispersed in the environmental medium and are often diffi
WR | Ju Feng’s group from West Lake University reveals the impact of microplastic pollution on the bacterial flora and denitrification function of constructed wetlands
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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?
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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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"Genius is on the left, madman is on the right." "The ultimate genius is madness, and the ultimate madness is genius." Regarding this point of view, some people agree and some do not.
26 years ago, the high school student who built a "nuclear reactor" at home later died of alcoholism and poisoning
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Introduction to the results Inspired by agricultural ridge technology, in this article, researchers such as Associate Professor Guo Xingmei and Professor Zhang Junhao from Jiangsu University of Science and Technology, Professor Sheng Lin from Shandong University published a repor
Jiangsu University of Science and Technology: Cobalt nickel selenium nanosheets grown on 3D carbon framework for use in supercapacitors
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In a new study published on November 4, 2021, a new computer model of the black hole in the M87 galaxy was created. New computer models show that the first (and only) black hole to be photographed by humans is ejecting huge streams of plasma at nearly the speed of light.
Black holes swallow objects, but part of the matter is spit out by the black hole. What is the principle?
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1. Precession vortex flowmeter At present, in the process of metering and management of natural gas, instruments are relatively critical application equipment. By scientifically screening its basic types, measurement accuracy can be effectively improved, the probability of transm
Application of precession vortex, orifice plate, and vortex flowmeter in natural gas measurement
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Click to read the relevant answers. The reasons are nothing more than: high academic pressure, low employment rate, too bald to engage in scientific research in the laboratory, etc., which has led to endless voices in society "dissuading people from studying biology".
Yale Ph.D.: This major has deceived me for fifteen years, and finally I found that I made a profit
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The study, published in Science on June 30, reports that the implant is made of biodegradable materials and is designed to reduce postoperative pain. There is an urgent need for better ways to relieve pain because currently available opioids can be addictive, and ice packs or coo
Still using ice cubes to relieve pain? Science: Try this method
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Got a story for July 4th? Today is also called aphelion. This day is the day when the earth is farthest from the sun. The time it takes for the earth to orbit the sun is one year. The place where the earth is closest to the sun is called perihelion. It is in early July every year
July 4th, the story you don’t know
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According to Global Network, in an environment of increasingly tense international situation, NASA Administrator Nelson recently made a series of remarks against China. In an interview with German media, he hyped up the "Chinese space threat theory" and bluntly stated that China
NASA exaggerates China's "military space program", and China makes it clear: the United States is seeking space hegemony
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Cha Xiaofeng wrote on 22.07.01 Do you think humans can see the unknown? sure. How did you see it? Unknown In human fantasy, the unknown is the known "creativity". Discussions of the unknown often involve academic theoretical research, such as the principles of physical fluid mech
Multidimensional Perspective: The Uncertainty of Theory First
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In 1887, Tesla, the "Father of Alternating Current", was walking down the streets of the United States gloomily. But that was not the case because at that time, a man named Edison was competing with him.
The civil voltage in China is 220V, why does the United States use 110V? Is it safer to use electricity in the United States?
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The giant panda is my country's national treasure and a national first-level protected wild animal. When my country leases a pair of giant pandas, the annual rent collected is as high as 3.5-6.9 million yuan, not counting various other expenses such as building a panda park. It c
In 2014, a farmer's sheep in Yunnan was bitten to death, and two brothers killed a giant panda in anger. What happened?
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SCI Tech Daily pointed out - CGCG 396-2 is an unusual multi-arm merger galaxy located in the constellation Orion about 520 million light-years from Earth.
Hubble Astronomy Crowdsourcing Project Discovers Unique CGCG 396-2 Multi-Armed Merging Galaxy
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On July 3, a Hong Kong writer revealed on social platforms that Ni Kuang, one of the Four Great Talents, passed away at the age of 87. Later, Hong Kong media reported that 87-year-old writer Ni Kuang died at home.
Zhou Huimin, who has been married for 13 years and is barren, has a single-parent family and lacks fatherly love, so she is doted on by Ni Kuang as a daughter.
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Yesterday afternoon, Mr. Ni Kuang, one of the four great talents in Hong Kong, passed away at the age of 87. Ni Kuang, whose original name is Ni Cong and also has the courtesy name Yi Ming, was born in 1953. He is a native of Ningbo, Zhejiang Province. He is known as one of the "
Ni Kuang passed away at the age of 87. His daughter-in-law Zhou Huimin still has no children.
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Text/Ouyang Feng Recently, Hong Kong talent Ni Zhen was photographed walking in and out of the theater alone without his wife Zhou Huimin by his side, enjoying a rare single time. I scanned the whiskey and fruit wine section, but didn't take a fancy to any of the products. Then I
54-year-old Ni Zhen is alone watching movies, his partner Zhou Huimin is missing, and the prodigal son returns to his ordinary life.
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Hong Kong's popular actress Zhang Min once posted a deeply emotional message on Weibo: "Please allow me to guard reincarnation and be with you, in the light clouds and gentle breeze, with deep affection in mind." and paired with
The two goddesses have only collaborated in these two movies, but Zhang Min expressed her affection to Zhou Huimin
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1. In 1984, Zhou Huimin, who was only 17 years old, had already met someone who was "somewhat interesting" to her. At that time, Ni Zhen was just 20, with strong adolescent hormones, running around in nightclubs every day, so free... In 1967, Zhou Huimin After birth, she was actu
The head of the beautiful lady was a cuckold, and her husband was caught and raped in bed twice. Zhou Huimin: Ni Zhen is not bothered
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"Settle Down" is a hit. Not only the popularity of the two leading actors, Sun Li and Luo Jin, continues to rise, the real-time ratings of the TV series easily exceeded 3, and the number of clicks on the online platform exceeded 300 million. All data are leading the way.
Evil will be punished! After Grandpa Song and his wife passed away one after another, the two nephews did not receive a penny.
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