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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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Human beings cannot prevent aging, but they can use chips to store brain information, give up their physical bodies, and resurrect with the help of robot bodies. This is the future immortality of mankind, which is the immortality we have been pursuing.
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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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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
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my country's first artificially bred rabbit cat turns one year old. On July 7, the Internet celebrity "Elder Snake" in Xining Wildlife Park is one year and two months old. "She" is my country's first artificially bred rabbit cat. "She" "It not only fills the gap in the successful
Xining is awesome! For the first time, China achieved
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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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Wang Jianping: One article per day: "Theory of Perception." Part 9" (105) Why is a problem a problem? Why is there a problem? Existence has existed for hundreds of millions of years. Is there something wrong with existence? Logically speaking, there is definitely no problem. If t
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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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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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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
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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
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Google’s Pixel 6 series is probably the least mysterious “mysterious new phone” this year. In August this year, Google announced the final photos of the Pixel 6 series, and a series of promotional videos were also released. The appearance, self-developed chips and camera modules
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Juventus Club showed off its third jersey for the new season on its official website yesterday. The players made their debut wearing this jersey in an internal friendly match between the first team and U23 early this morning, Beijing time.
Dybala Morata scored consecutive goals in the warm-up match and was in good form. Cristiano Ronaldo did not play and sought a move to Manchester City.
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The new genuine IP authorized MMO mobile game "Magic Baby: Traveler" is here. On August 26, "Magic Baby: Traveler" officially opened reservations for all platforms. According to the official page, the number of game reservations exceeded 200,000 on the day of launch. In the lates
Japanese fantasy and big world exploration, how does "Magic Baby: Traveler" refresh the classic IP?
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"As soon as the lights are turned on at night, water ants swarm in and they don't even dare to turn on the lights when eating!" After inspection, it was found that a large number of wooden furniture in Guo's home were basically eroded by termites, including wooden doors, escalato
Hundreds of thousands of termites "siege" the three-story old house! A 90-year-old man dare not turn on the light to eat at night...
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The turn-based system has always been one of the favorites of casual people, because most of the time you only need to hang up easily, and you can also flirt with the little brothers and sisters in your free time. It is very happy~ So today I will take stock of those classic roun
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When Woo-ki first started watching this TV series, Woo-ki was played by Choi Min-ho. I had watched his TV series "To the Beautiful You" (a remake of our "Girls Over Flowers") and I liked him very much.
What kind of person does Yuji from "The Soft Cell Boy" like?
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