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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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The Earth is a planet filled with liquid water, with approximately 71% of its surface area covered by seawater, and this number is getting larger as sea levels rise due to global warming. Many people may have wondered what the bottom of the sea looks like. The simple answer is th
Why is it said that it rained for millions of years before the earth finally had an ocean?
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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.
From the machine age of unmanned factories to humans giving up their physical bodies and returning to eternal life
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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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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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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
An Appointment in the Starry Sky | Exploring the evolution of binary stars. Scientists found direct evidence of shared envelope evolution for the first time
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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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[Source: Shunyi Ecological Environment] Ubiquitous plastic products have facilitated people's lives, but the resulting plastic waste has caused a lot of pollution to the ecological environment...
"Popular Science" "Degradable Plastics" Revealed
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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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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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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 2021 QQ Celebrity Season 1 All-Star Ace Game is online! ONER Muzi Yangling Super Loves and Kills Huya Live 2021 QQ Celebrity Game Season 1 King All-Star Ace Game King Special is starting again! A new season, the excitement continues. The first celebrity guest episode, which s
The 2021 QQ Celebrity Season 1 All-Star Ace Game is online! ONER Muzi Yangling is in love and kills each other
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Putting aside the disputes, just talk about Morant. He is expected to lead the team to the conference finals in the third season of his career. This is definitely an amazing achievement. Therefore, this article will take stock of 14 current All-Stars who have reached the conferen
Among the 14 current All-Stars who have reached the conference finals in the first three seasons, does Morant have a chance this year?
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In his first year with the Pacers, O'Neal Jr. averaged 12.9 points, 9.8 rebounds and 2.8 blocks per game. In his second year, his data skyrocketed to 19 points, 10.5 rebounds and 2.3 assists.
It's such a pity that O'Neal was selected as an All-Star for 6 consecutive seasons but was ruined by a famous brawl.
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In the end, the Chinese men's basketball team collapsed in the final quarter and scored only 3 points after a draw in the first three quarters. In the last quarter, it lost to its opponent 23-48 to 71. It suffered two consecutive defeats against Australia in the world preliminari
Collapse in the final quarter and losing by 23 points. The Chinese men's basketball team lost to Australia. They are expected to meet again in the Asian Cup.
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But in the long river of history, although some memories will gradually fade over time, those great records and the touching stories behind them will never be erased. Today, we take stock of the top five players in the history of the 21st century and reveal their secrets.
The top five players in the history of the 21st century are revealed, Jordan is unmatched, and Curry fights back
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Live Broadcast, June 26th: 19 years ago today, in the 2003 NBA draft, the Cavaliers selected high school player LeBron James with the No. 1 pick. James has played for the Cavaliers twice and led the team to win the first championship in team history in 2016. He was personally ele
19 years ago today: The Cavaliers selected high school player James with the No. 1 pick
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