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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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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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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.
Can the brain regenerate? 5 ways and habits to reverse brain aging
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This year's high temperature weather has left a deep impression on people. Since June, heat waves have occurred in many places in our country. Starting from July 6, a new round of heat waves is sweeping through parts of the northwest, north and south of our country. It is expecte
It’s heating up! Global glaciers are disappearing rapidly, and the Everest glaciers are also melting. The Arctic may be ice-free in 13 years
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Recently, a scientific research team from Tokyo Metropolitan University in Japan discovered a new type of compound that can capture carbon dioxide directly from the environment and achieve the highest carbon capture efficiency so far of 99%, which is twice the efficiency of other
Japanese scientists develop new carbon capture system that can quickly and directly capture low-concentration carbon dioxide
06/09
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One laboratory announced its new establishment. From a common sense point of view, since it has been released to the public, it must not be a small laboratory or it must be responsible for some insignificant fringe projects; since a laboratory has been established and publicly an
What big project is this new laboratory doing?
06/10
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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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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
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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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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
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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 Bank of Japan's interest rate minutes were released on Wednesday. The message sent by the Bank of Japan to the outside world is very clear. The Bank of Japan implements monetary policy to achieve price stability, not to control exchange rate trends.
The Bank of Japan allowed the yen to depreciate to 136, constituting exchange rate manipulation. Will a currency war be triggered?
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Under the suppression of the United States and the European Union, especially after major Russian banks were excluded from the SWIFT international settlement system, it once reached a low point of needing 150 rubles to exchange for 1 US dollar.
The euro depreciated by 11.7% in the second quarter, and the Russian ruble appreciated by 11.7%. What about the RMB and the Japanese yen?
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Financial News Agency, July 8 (Editor Zhou Ziyi) After former Japanese Prime Minister Shinzo Abe suffered a sudden shooting incident, the yen actually strengthened, triggering market debate. Some analysts worry that the Bank of Japan's ultra-loose monetary policy may lose support
Why did the yen rise after Abe’s assassination? See what analysts are saying
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The Japanese yen has suffered a huge decline against the U.S. dollar recently. Last week it fell below 130 yen per U.S. dollar, which has been rare in decades. The current decline in the yen seems to be related to the sharp decline in the ruble against the U.S. dollar. However, t
The yen has fallen sharply, but don’t buy the yen at the bottom easily
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The yen has fallen about 15% against the dollar this year and is at its lowest level compared with a basket of other currencies since the 1970s. Traders believe that the direct cause of the yen's decline is the divergence of the central bank's monetary policy. The Federal Reserve
The exchange rate fell by about 15%! Is Japanese currency a casualty? Expert: Don’t seriously underestimate the yen
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At 1:54 pm and 1:55 pm on June 15, a large number of sell orders suddenly appeared in the Japanese government bond futures market. Because the price decline was likely to exceed the limit, the transaction was automatically circuit breaker twice.
Nancai Express Commentary: Will Japanese government bonds really plummet?
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1932