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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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On July 5, 2022, according to a report by Bloomberg titled: "The United States wants Dutch suppliers to stop selling chip manufacturing equipment to China," U.S. government officials are lobbying, hoping to further prevent ASML from selling lower-priced chips to China. The latest
ksliu: The United States wants the Netherlands to cut off the supply of Chinese lithography machines, and the consequences may be disastrous
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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?
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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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In Thailand, because most vaccinated people have no symptoms or very mild symptoms when infected with the new coronavirus Omicron variant, many people have the option of quarantining at home.
Thai experts explain: How long is enough for COVID-19 patients to be quarantined?
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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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#真知新ordinate# Water hyacinth is both good and evil. I applaud the water hyacinth. The flowers of this water devil are a bit beautiful. It was once known as "the lavender corolla that beautifies the world". It actually tastes like cabbage. You’ve heard of water hyacinth, but have
Don’t misunderstand water hyacinth anymore. It blooms really beautifully and tastes like cabbage.
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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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The laboratory of the Beijing Center for Disease Control and Prevention conducted genetic sequencing on the specimens of the three infected persons reported on July 5. The results showed that the viruses all belong to the BA.5.2 branch of the Omicron variant. Gene sequence compar
Will Omicron BA.4/5 become the most transmissible respiratory virus?
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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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I saw a report some time ago that said "Drinking coffee will cost you a lot of money." At first I thought it was because coffee lovers spend a lot of money on coffee?
Does drinking coffee make you want to spend more?
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Ryder (left) Tam (right) When Ryder died, people discovered that Ryder was a lesbian, and her lover Tam also officially entered the public eye. Such a woman, the first woman to enter space in the history of American voyages, has brought more ideological impact to people. Today, 7
She was the first American female astronaut to fly into space, but people only remember her as a homosexual.
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"The days of screening a single protein expression profile each time are coming to an end." Author: Claire Editor: tuya On July 7, Nuclera, a biotechnology company headquartered in Cambridge, UK, announced that it had raised an additional 15.5 million in Series B financing US dol
British biotechnology company Nuclera completes Series B financing to focus on improving protein development efficiency
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Editor's recommendation: A better understanding of the neural pathways that connect light-sensitive cells in the retina to areas of the cerebral cortex associated with emotion and cognition has important implications for the development of treatments for mood disorders. From chan
Can light 'cure' mood disorders?
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There is evidence that insects' central nervous systems are more sensitive to pain than humans. Scientists once conducted what we still consider to be horrific experiments on animals out of curiosity. Currently, research on vertebrate animals must first submit an application to a
Insects may also feel pain, study finds
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rainbow! rainbow! We often say that after a storm, a rainbow is seen. Yesterday evening, some residents in Binhai District actually saw a rainbow!
A beautiful rainbow appeared in Binhai yesterday! Did you see it?
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Site Latest News
Sansevieria is a very common household green plant. Many people like to keep a pot at home. Its leaves are wide and thick, and the edges of the leaves have beautiful golden edges, which is very cute. However, many people's Sansevieria does not grow much after raising it for sever
Sansevieria grows slowly? A gardener teaches you how to correct "5 mistakes" and grow pots with ease
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Summer is the season with the highest temperature of the year. This hot temperature condition poses a great threat to the safe storage of hazardous chemicals. Therefore, when producing, transporting, and storing hazardous chemicals in summer, heat prevention and cooling must be d
Safety measures for storage of high-temperature hazardous chemicals in summer
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Many people build a sunroom and only care about what kind of glass is used for the panel, but they ignore that the selection of the frame material is also very important. Is the sunroom frame made of aluminum alloy or steel? In fact, they all have their own advantages, let’s comp
For the frame of the sunroom, in addition to steel structure, try aluminum alloy
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Emma Corrin, who became a world-famous and powerful actor for her role as Princess Diana in the British drama "The Crown", won the cover of the August issue of the US version of "VOGUE".
British drama "The Crown" actress Emma Corrin appears on the cover of "VOGUE". She looks cute and cute with blonde hair.
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Let’s talk about entertainment and gossip, let’s talk about battle and glory! Here, the editor will deliver very lively and interesting entertainment gossip every day! Don’t forget to pay attention! The entertainment industry is a place where people are angry and it is also a ver
Wan Qian is the cleanest actress. She once refused the director's unreasonable request and now she is famous for her strength.
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Let’s talk about entertainment and gossip, let’s talk about battle and glory! Here, the editor will deliver very lively and interesting entertainment gossip every day! Don’t forget to pay attention! Since he was born as Xie Xian's son, Nicholas Tse's career and emotional problems
She was hidden by the company because of her secret affair with Nicholas Tse, and was later abandoned by Nicholas Tse. She is now 46 years old and making a comeback again.
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