0:16
Recommended
The metallurgical industry in the Qing Dynasty exceeded the level of the mid-Ming Dynasty. According to statistics from the Geological Survey, the national output of iron smelting by the old method was more than 170,000 tons in 1919, and the output of iron in the late Qing Dynast
Cold Knowledge of the Qing Dynasty - Metallurgical and Machinery Manufacturing Achievements of the Qing Dynasty
06/10
1613
Chinese people have a special emotion for the moon. Chang'e flies to the moon, the Moon Rabbit makes medicine, we are strangers in a foreign land, but we still share the beauty of the moon. The moon represents my heart. Throughout the ages, many thoughts and emotions have been pl
Why do American experts want to blow up the moon and leave the earth without seasons? What is their purpose?
06/10
1691
Researchers including Daohua Jiang from the Institute of Physics, Chinese Academy of Sciences, and William Catterall and Ning Zheng from the University of Washington analyzed the structure of the open-state cardiac sodium channel (NaV1.5) and analyzed its working principle (1).
Cell | Open state myocardial sodium channel structure
06/09
1285
Protecting wild animals is everyone’s responsibility. The reporter learned from the Guangdong Coast Guard Bureau on July 7 that recently, law enforcement officers from the Nan'ao Work Station of the Guangdong Shantou Coast Guard Rescued a pangolin, a national first-level wild pro
Meet a "cute" on the road! Coast Guard law enforcement officers warmly rescue pangolins, national first-level protected animals
06/09
1082
Rats are a very disgusting animal. Many people eat the food they just bought at home before they even open it and taste it. People usually gnash their teeth when talking about this animal. From ancient times to the present, people have used various methods to try to eliminate the
What would happen if all the rats in the world died? Will mankind also suffer catastrophe?
06/09
1366
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?
06/09
1472
On July 6, the team of Professor Luan Sheng from the University of California, Berkeley, published a paper in Nature entitled. A receptor-channel trio conducts Ca.
Nature | Luan Sheng's team has made important breakthroughs in the fields of plant sexual reproduction and signal transduction
06/10
1171
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
"Quest Files" Unsolved Mysteries of the World - The Black-Headed Man from the East 2
06/10
1017
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?
06/09
1513
It might be tempting to use a cup with a green “Plant-Based” label for a cup of coffee, or see that the plastic utensils in your takeout are “100% compostable.” Some comfort. So could a plastic made from plants rather than petroleum actually melt harmlessly in the environment?
"Science" Have you ever used environmentally friendly plastics made from plants?
06/10
1657
Relation Video
science Relation Video
Site video recommendation
science Latest News
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
06/11
1668
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.
06/11
1169
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?
06/11
1154
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
06/11
1511
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
06/11
1040
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
06/11
1125
Site Latest News
If you don’t have children or don’t have a partner when traveling to Japan, you can visit these places and you may find unexpected gains! Tokyo, Japan: Zojoji Temple, donate a stone statue of a baby to pray for a child. As we all know, Zojoji Temple is a famous cherry blossom vie
If you are on honeymoon or single, you can come here to visit Japan.
06/16
1169
Not only that, the Japanese are good at doing things in the smallest detail, so they can fill their stomachs while enjoying the cherry blossoms. This is the second guide to cherry blossom viewing during the cherry blossom season.
Meet the cherry blossom season | Go to Japan to catch up with the cherry blossom line and fill your stomach at the same time
06/16
1299
Are you planning a free trip to Tokyo? Please remember this great place "Damon Hamamatsucho". Regardless of whether you are coming in or out of Haneda or Narita Airport, choosing to stay in "Daimon Hamamatsucho" will avoid the trouble of transferring. On the first night when you
General travel guide to "Damon Hamamatsucho", a neighborhood with various views of Tokyo Tower
06/16
1534
Recently, cherry blossoms were in full bloom in central Tokyo, Japan. On the afternoon of March 17, the Japan Meteorological Agency announced after observations that Tokyo has officially entered the cherry blossom season. This time the cherry blossom season is 4 days earlier than
Tokyo, Japan enters cherry blossom season ahead of schedule and tourists enjoy the beautiful scenery while wandering around the sea of flowers
06/16
1305
From classic cherry blossom spots to private cherry blossom viewing spots, we have them all. You are welcome to refer to this map when you come to Tokyo from March to April to start your cherry blossom viewing journey.
The latest selection of 15 cherry blossom viewing spots, from classic cherry blossom spots to private cherry blossom viewing spots!
06/16
1636
Starting from late March, cherry blossoms bloom in major places in Japan from south to north. This is the most beautiful season. Come and follow KLOOK’s editor in Japan to take a look at Japan’s famous cherry blossom viewing spots, which Internet celebrity attractions are suitabl
Japan’s cherry blossom viewing guide in 2017, where to visit from south to north
06/16
1676