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[Source: Shunyi Ecological Environment] Ubiquitous plastic products have facilitated people's lives, but the resulting plastic waste has caused a lot of pollution to the ecological environment...
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The male protagonist is a physics genius. He discovered the secret of time at the age of 28 and successfully invented a time machine. He is a sure winner in life! Just when this great god was about to solemnly announce his great discovery to the world, an accident happened! Of co
Science Fiction - Interpretation of "Ripples on Dirac's Sea"
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There is a terrifying legend circulating deep in the dense forests of Xishuangbanna, Yunnan. There is a man-eating blanket-like monster in the Lancang River that sucks human blood. It is extremely terrifying. Once encountered, there is no possibility of survival. Is this true?
The "blood-sucking blanket" in the Xishuangbanna River drags animals into the water and eats them. What kind of animal is it?
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Have you ever thought about the possibility of regenerating those brain cells you sacrificed in college? Medicine is being rewritten and we may be able to repair our brains, and it's something anyone can do.
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When it comes to invasive alien species, the first thing that comes to everyone's mind is that they have no natural enemies and reproduce wildly, seriously threatening the local ecological balance. Since the spring of 2022, a large number of invasive alien species have appeared i
A large number of white mud ants appear in Qingdao! A boat catches 200 kilograms a day, and not only are they inedible, but they also eat clams
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We’ve seen blue skies on sunny days, black skies on rainy days, gray skies on cloudy days…but what about green skies? It seems that it is only possible in science fiction movies, or on some alien planet beyond the earth. Will there be green skies on the earth we live on? The worl
Is the green sky suddenly appearing in the United States an ominous sign?
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The spring itself is elastic. After being compressed, the spring will have the tendency to return to its initial state, and therefore has elastic potential energy. We can think of it as the energy stored in the overall system of the spring. So the question is Question: If a compr
Put a compressed spring into strong acid. After the spring dissolves, where does the energy of the spring go?
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As we said before, oracle bones are keel bones and belong to the fossil category. So the first question is, did these fossils appear first and then people carved them on them, or did people find these bones first and carve words on them, and then these bones gradually evolved int
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This article is original to the Translational Medicine Network. Please indicate the source when reprinting. Author: Lily Introduction: Fat cells can be divided into "white" and "brown" - white fat cells are responsible for storing fat, and their weight accounts for about 15%-20%
"Nature" rekindles brown fat cells and eliminates excess fat
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In modern astronomical theory, the formation of important celestial objects such as double black holes, double neutron stars, and double white dwarfs are the result of the evolution of the shared envelope of binary stars. A few days ago, the research team of Academician Han Zhanw
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Pictured above is Physarum polycephalum, a protist, specifically a slime mold. The term "slime mold" does not refer to a specific single group, but is a broad term referring to several types of eukaryotes that behave similarly. Regardless, they possess intelligence, although it l
Intelligent slime mold
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01. Nostalgia is a spaceship heading to Mars. ——Douyou 02. Since childhood, I have been taking care of the stars of all generations alone. ——Bai Helin's "Loneliness" 03. The stars should laugh, the universe is a remote place anyway. ——Pasternak 04. All my desires and contemplatio
Golden sentence#星星——All my desires and contemplations are the slowly exhaled air currents of this universe.
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Today, an insight into the vision of a once young cosmic artist shows the dust continuum and molecular lines of carbon monoxide and water seen in the pair of SPT0311-58 galaxies. (Image source: ALMA (ESO/NAOJ/NRAO)/S.
Water was discovered in ancient galaxies, which surprised astronomers. What happened?
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Text/Picture Yangcheng Evening News all-media reporter Wen Cong has completed about 700 experimental projects, filling many gaps in my country's scientific research field... Next month, the China Spallation Neutron Source (CSNS) will have been in operation for four years. With th
Filling in many scientific research gaps! The China Spallation Neutron Source will be in operation for four years丨The party flag is flying high at the grassroots level
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In fact, we are not unfamiliar with the term mycotoxins. They generally exist in grains. The detection of mycotoxins can be carried out on-site. When choosing instruments for testing, we must choose brands with good quality.
Introduction to applicable industries of mycotoxin detectors
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How should we choose testing instruments? When choosing together, we should focus on the quality of the product. Speaking of instruments, online residual chlorine analyzers have a wide range of uses. They are not only very accurate in detecting residual chlorine content, but can
Instructions for using online residual chlorine analyzer
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New "futuristic design" KS7 bullpup shotgun Keltec's new KS7 bullpup shotgun is a derivative of the company's KSG shotgun, but the difference is that it only has a tubular magazine for ammunition. Keltec is known as a company that focuses on innovative firearms. They constantly b
Futuristic weapons! Keltec’s latest bullpup shotgun is smaller and lighter
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In the United States, the development of combat shotguns was at least partly motivated by economic considerations. Two hundred years ago, colonists had a shotgun, which was mainly used to hunt game for food, but it may also be used against Indians or other Enemies, crews on ships
Two hundred years of shotgun culture in the US military and various taboos on its use
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Since its birth in the late 19th century, shotguns were first used as hunting rifles and later for military use. Until now, they have been widely used. Whether in the police, security, anti-terrorism, military and other departments, shotguns are widely used, and modern shotguns h
Inventory of thirteen types of automatic shotguns, all of which are powerful weapons in close combat
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The Mossberg 500 shotgun is a firearm specially designed by "Mossberg and Sons". This gun is a specific product for the actual needs of special departments. This gun has good "achievements" and is used in practice. In the test, it has the characteristics of "strong firepower, sim
Shotgun: A "shotgun" that cannot be opened by one man.
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Saiga-410 semi-automatic shotgun: The Saiga-410 shotgun was developed together with the Saiga-12 and Saiga-20 shotguns. These shotguns have the same structure and are based on the design of the AK assault rifle. Saiga-410 fires .410 caliber shotshells or single-point bullets. Alt
Military丨Russian 410-caliber shotgun based on the design of the AK assault rifle
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Most bullets are composed of four parts: a cartridge case, a primer, a propellant, and a warhead, but there are some individual bullets that are not constructed like this. This is a pistol bullet, with a warhead on the top and a cartridge case on the bottom. The cartridge case co
What does the internal structure of various bullets look like?
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