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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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Recently, researchers such as Broad Institute of MIT and Harvard David Liu published a review in Cell to introduce the research progress in this field.
Cell | David Liu and others review the research progress of gene editing vectors
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Every spring and summer is the time when most young birds learn survival skills such as leaving the nest to fly and foraging for food. Due to rain, strong winds, physical strength and other reasons, many young birds will accidentally fall from the trees when learning to fly. . Wh
Don't pick up the birds on the roadside! Please let them go home on their own
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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
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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
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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
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Researchers such as Gao Fu from the Institute of Microbiology, Chinese Academy of Sciences, have just published an article in NEJM introducing the neutralizing ability of volunteer sera with different vaccination programs against Omicron subtypes. Under similar conditions, two do
Confused about how to get vaccinated? Pay attention to the latest NEJM work such as Gao Fu
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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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Since the terms information and entropy are used in many branches of science, this may sound strange to those familiar with the second law of thermodynamics. How could information and entropy be identical?
Conservation of information and the second law of thermodynamics, how can these basic laws be consistent?
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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
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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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Site Latest News
The catering industry plays an important role in stabilizing employment, protecting the main body, and promoting consumption. During the epidemic, the catering industry was greatly affected. Data released by the Guangdong Provincial Bureau of Statistics shows that from January to
Southern Net Comment: Make good use of tax and fee discounts to revive the catering industry as a "pool of spring water"
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February 14, Cixi, Zhejiang. After Mr. Jiang went to a restaurant to pay for his meal, he found that the zero mark on the hotel bill was very strange, and he immediately became uneasy. The bill showed 1,011.80 yuan, and the profit and loss amount was 0.20 yuan. The result showed
A man pays the bill but the hotel reversely charges him an extra 20 cents. What does the hotel discount mean?
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When you finally put away your laziness and want to purify your soul, you find: It's over, there is no book to read. The shortage of books is not terrible. What is terrible is that the shortage suddenly makes your originally positive heart shrink back into bed, and you say goodby
"Time" selects the 100 greatest novels in history, and only one from China is on the list
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News from the Financial Industry on December 24: The 2021 Financial Industry Leading China Annual Conference hosted by the Financial Industry was held grandly on Sunday. Nearly a hundred people attended the five-day special summit, which attracted widespread attention from the in
2021 Leading China Annual Selection List Announced CITIC Trust Wins Outstanding Trust Company Award
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The popularity of the Crystal Ball Analyst Selection for the short-term reappearance of new wealth also declares to a certain extent that the evaluation system of the buyer's market-oriented voting and selection of analysts still has its market. Subsequently, New Fortune also res
After New Fortune was suspended, this analyst selection activity became popular! Expert: The model is difficult to change
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It would be tragic if New Fortune failed the list. After all, there are only three types of analysts in the world: **New Fortune's No. 1, New Fortune on the list, and New Fortune not on the list—the last one is too shameless.
Because of this event, analysts are forced to be restless once a year
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