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Atoms were once considered to be the basic particles of everything in the world, but later people discovered that atoms are composed of nuclei and electrons, and there is a vast space between the nuclei and electrons. How vast is it specifically? Let us take the simplest atom in
What exists in the vast space between the nucleus and the electrons? Is it an absolute vacuum?
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June 1 to November 30, 2005 As 2007 approaches, an extreme to abnormal drought occurs in the southeastern United States. The year also saw tropical cyclones—tropical depressions, tropical storms, and hurricanes—that often flooded parts of the East Coast and Gulf Coast. Tropical c
"Space Observation" Small tropical cyclones contribute more to annual rainfall
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pixabay.com State-owned enterprises have stepped out of the "high wall" to promote the scientific and technological achievements they have developed to the society.
China National Nuclear Corporation joins hands with the national technology market to promote the latest scientific and technological achievements to the society
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Bureau Veritas (BV), in partnership with Total Energies, has launched a study aimed at reducing the risks of ammonia as a marine fuel, with a particular focus on the mitigation and treatment of ammonia leaks. This study assesses the risks posed by ammonia leaks to the health and
How risky is ammonia fuel? The classification society completed preliminary studies
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1. When did cats start to look like this? 2. “This is what an artichoke would look like if you let it bloom.” 3. “A large group of turtles sunbathing on a floating tree trunk” 4. “The passion vine bloomed this morning!” 5. “These two strawberries grew With a pair of happy feet.”
19 photos of natural beauty that will completely mesmerize you
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Text | Science Wormhole animals reproduce through mating, but their pairing forms are diverse and can be divided into relatively rare monogamy (monogamy) and mixed mating. The mixed system also includes polygamy, polyandry, and polyandry. As we all know, animals mate in order to
"Monogamous" animals, if one partner dies, can they withstand the temptation of mating?
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1119
On July 3, Typhoon Siam made landfall in South China and is pouring rain in many places in the south. Typhoon Airi is moving in the Western Pacific. Today, its center has moved into the East China Sea, bringing refreshing blue sky and white clouds to many places in the Yangtze Ri
rare! As hot and high pressure climbs up the Tibetan Plateau, will there be problems with the glaciers? Analysis: Northwest or extreme heat
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"What are humans doing? They discharge so much sewage! The fish are all affected." "Why do humans pursue progress and development? Human beings are very selfish when they only think about themselves." "Why don't humans let other animals manage the earth?" Early in the morning, th
Cognition|What are humans doing?
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On April 15, 2022, the Heilongjiang Agricultural Engineering Vocational Food Innovation R&D Team successfully developed D-psicose industrial production technology after 2 years of exploration and research. At the same time, the team applied for three national invention patents.
Heilongjiang Agricultural Engineering Vocational College successfully developed D-psicose production technology
05/17
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@真知新ordinate Popular science and cold knowledge 1. Lamprey Lamprey has lived on the earth for hundreds of millions of years, and it has always maintained its appearance in ancient times, so it is also called a "living fossil." Later this creature was assigned to the superclass Ag
Seven exotic species, one relies on breeding and one is prohibitive
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Beginning in the 1940s, a luminous disc aircraft was discovered in the skies over the United States. Newspapers at that time only generally called it an "elliptical luminous object." UFOs aroused people's interest even more. The term UFO is a name given to unidentified flying obj
The word UFO was invented by Americans, but there were legends in China during the time of Emperor Yao
05/19
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Itching, swelling, and many people remember mosquitoes as a nasty presence in summer. In addition, mosquitoes also bring a variety of terrible mosquito-borne infectious diseases to people. In 2018, the eight infectious diseases of urgent concern announced by the World Health Orga
Tsinghua team reveals: Why are these people more attracted to mosquitoes?
05/19
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Humans can be said to be the most advanced animals on the earth. There is almost nothing that humans dare not eat. In times of famine, people who are too hungry will eat tree bark, leather belts, grass roots, soil, etc. Nowadays, people's living conditions are better and they eat
There is a plant that is full of treasures, but is often "peeled". Have you ever seen it?
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In cartoons, the "omnipotent" Doraemon often takes out various magical props from the future world from his four-dimensional pocket in order to help Nobita. They are full of creativity and science fiction imagination, just like Doraemon's pocket. It's an inexhaustible treasure ch
She has a "shrinking gun" that makes animals smaller than a fingernail, so cute
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On July 2, Xin Baoan, Chairman of the State Grid Corporation of China and Secretary of the Party Leadership Group, went to Nari Group Co., Ltd. for investigation. He went deep into the front line of production and scientific research to learn about technological research, product
Xin Baoan, Chairman of State Grid Corporation of China, went to NARI Group for investigation
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Researchers test glass membrane roofs under real-life conditions in the rooftop greenhouse of the "Oberhausen Old Market Garden". (Source: Fraunhofer Umsicht) Glass roofs and architectural elements made of glass are not only visual highlights but also serve important functions. B
lightweight glass roof
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Site Latest News
Beginning in the 1940s, a luminous disc aircraft was discovered in the skies over the United States. Newspapers at that time only generally called it an "elliptical luminous object." UFOs aroused people's interest even more. The term UFO is a name given to unidentified flying obj
The word UFO was invented by Americans, but there were legends in China during the time of Emperor Yao
05/19
1225
Itching, swelling, and many people remember mosquitoes as a nasty presence in summer. In addition, mosquitoes also bring a variety of terrible mosquito-borne infectious diseases to people. In 2018, the eight infectious diseases of urgent concern announced by the World Health Orga
Tsinghua team reveals: Why are these people more attracted to mosquitoes?
05/19
1306
Humans can be said to be the most advanced animals on the earth. There is almost nothing that humans dare not eat. In times of famine, people who are too hungry will eat tree bark, leather belts, grass roots, soil, etc. Nowadays, people's living conditions are better and they eat
There is a plant that is full of treasures, but is often "peeled". Have you ever seen it?
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In cartoons, the "omnipotent" Doraemon often takes out various magical props from the future world from his four-dimensional pocket in order to help Nobita. They are full of creativity and science fiction imagination, just like Doraemon's pocket. It's an inexhaustible treasure ch
She has a "shrinking gun" that makes animals smaller than a fingernail, so cute
05/19
1069
Introduction to the photographer Zhang Yanjun, born in February 1959, is from Yushu City, Jilin Province. He is a member of the Jilin Provincial Photographers Association and a member of the Chinese Folk Photographers Association. Most of his photographic works focus on the devel
Photography || Zhang Yanjun "Glimpses of Yujia Lanheba Rice Industry"
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1187
Yueyang Tower, a famous historical and cultural building in China, promotes the national spirit of worrying first and rejoicing later. Recently, a set of old photos of Yueyang Tower were exposed. Do you have any memories? ▲ Yueyang Tower taken in 1900 ▲ Yueyang Tower in 1906-1907
Old photos exposed! Have you ever seen Yueyang Tower and Dongting Lake like this?
05/19
1969