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Whenever the return capsule of a manned space flight lands safely, people are really relieved, which means that the astronauts have returned safely and smoothly. At this time, the return capsule was "beyond recognition", and the surface was as black as coal. It turned out that on
When returning to the atmosphere, the manned spacecraft was surrounded by raging fire. How did it prevent heat?
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Reply: Technologies that assist humans in enhancing their comprehensive self-support capabilities are positive labor productivity. Technologies that make humans lazy will only hinder humans from achieving long-term and sustained prosperity and development. For example, artificial
Technologies that assist humans in enhancing their comprehensive self-support capabilities are positive labor productivity
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Bacteria from ancient times seem to have been a topic of immortality since the birth of human civilization. For thousands of years, ancient alchemists and modern scientists have hoped to somehow solve this mystery that has puzzled mankind for a long time. Perhaps this is the inst
In order to live forever, scientists injected themselves with bacteria from 3.5 million years ago. What happens now?
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All stars visible to the naked eye are part of the Milky Way. We know that our galaxy is not the only one, there are billions of galaxies forming galaxy clusters. These large concentrations of galaxies form larger structures—galaxy filaments and lobes. But there are huge gaps bet
What are cavities and where do they come from?
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Panama's "Monster" In September 2009, a group of teenagers discovered a cave while playing near the Blue Mountains of Panama. As soon as they entered the cave, a hairless monster that seemed to be made of rubber rushed towards them. In order to defend themselves, several children
Is life-threatening to go to the toilet? The legendary "water monkey", this animal often dies while going to the toilet
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With the successful return of the last batch of astronauts, the launch of Shenzhou 14 has once again brought a new team on the journey. During the mission, the astronauts will also perform docking tasks in the experimental module and Mengtian experimental module.
It’s strange. The Dragon spacecraft can seat 7 people, but why can the Shenzhou 14 only seat 3 people?
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When the NASA personnel in the control room saw this scene, they were happy, excited and a little angry, because among the astronauts on this space flight, there was a couple-Mark Ree and Jane Davis.
In 1992, an American astronaut couple went to space. Was there any story?
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Science fiction is the seed of imagination buried in everyone’s childhood. It is precisely because of the yearning and pursuit of science fiction that mankind has created scientific miracles one after another.
The universe is infinite and the imagination is even more amazing! 6 Classic Short Science Fiction Novels That Subvert Your Imagination
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A series of recent studies such as direct aerosol virus detection and aerodynamic analysis have shown that aerosols play a very critical role in the spread of respiratory viruses. The main manifestations are: 1. Aerosols are highly concealed and can be transmitted when talking, s
Science Review | "Secret Tips" on the Transmission of Respiratory Viruses
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#网celebrityfoodjaws, a national second-level protected animal# The female internet celebrity with millions of fans has become popular! In the latest issue, her video of boiling and grilling sharks received likes from 77,000 netizens. What makes people happy is that popular scienc
Female Internet celebrity with millions of fans eats state-protected animals for traffic. Netizen: It’s time to punish them
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The summer solstice is the third day of the summer solstice, and the minor summer heat is the first day of the lunar month. Tomorrow is the 18th day of the sixth lunar month, which is the first day of the day.
As the old saying goes: "When the sun sets in Qinglong, autumn will be cool." If it sets in tomorrow, how long will it be hot this year?
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Lithium-sulfur batteries have an energy density of up to 2600 Wh kg-1 and are the next generation secondary batteries with great application prospects. However, there are several important scientific issues with sulfur cathodes that seriously affect the electrochemical performanc
Huazhong University of Science and Technology: Porosity design of high-loading sulfur cathode with high sulfur utilization rate
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At the beginning of the new year of 2019, on one side of the Yangtze River, a group of experts are busy working on something. The expert saw a Yangtze River paddlefish that was completely entangled in fishing nets right in front of him. Because the fishing net is too strong, the
After living for 150 million years, why can’t we survive 2020? A brief discussion on the tragic extinction of the Yangtze River paddlefish
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In the Mingxi Botanical Garden on Fudan's Jiangwan Campus, there is a small closed experimental area where genetically modified rice is grown. Careful people will find that although no pesticides are used here, the plants are exceptionally strong;
Devil or hero? Uncovering the Mystery of Genetically Modified Technology - Part One of a Series of Reports
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Introduction Designing bifunctional oxygen electrocatalysts with high activity, long-lasting stability, and low cost for rechargeable zinc-air batteries (RZABs) is a daunting challenge.
Progress in research on high-efficiency bifunctional oxygen electrocatalysts for rechargeable zinc-air batteries
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He has successively won the Hou Debang Chemical Science and Technology Youth Award, Tianjin First Prize in Natural Science, Sichuan University Outstanding Scientific and Technological Talent Award, Sichuan University Young Scientific and Technological Talent Award, and the Minist
Sichuan University: N, S co-doped branched carbon nanotubes for supercapacitors and lithium batteries
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Although the epidemic in our country has been basically controlled and most factories have gradually resumed production, there are still uncertainties in the mobile phone market. The related industrial chains behind mobile phone manufacturers will naturally be affected, such as t
The mysterious Chinese optical giant, with a monthly revenue of 3.8 billion, relies on Huawei and Apple to become the world's number one
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In order to further strengthen the ideals and beliefs of party members, improve the leadership and cohesion of the party branch, and conscientiously implement the "three meetings and one lesson" system. On the morning of July 12, Comrade Jiang Jiangming, Secretary of the Party Br
Emergency Center: Review the history of the Party to gain insights, perform duties with due diligence and strengthen responsibility
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Ivana Trump, the ex-wife of former President Donald Trump who played a key role in his business empire, died Thursday at the age of 73.
Ivana Trump, businesswoman who played key role in ex-husband's empire, dies at 73
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According to a recent report by foreign media "BMWBLOG", according to sources, BMW is actively considering providing the manual transmission BMW Z4 M40i for the US market. Because this Roadster equipped with the B58 six-cylinder engine has only had an 8-speed manual transmission.
Innovative BMW may provide the six-cylinder Z4 with manual transmission for the United States. Is the United States the last paradise for manual transmission?
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The company achieved operating income of 15.121 billion yuan in the first half of the year, a year-on-year increase of 37.28%; attributable to. The net profit of shareholders of the parent company was 620 million yuan, a year-on-year increase of 68.69%.
Can the optical giant OFILM become the next company with a market value of 100 billion in the mobile phone industry chain after successful transformation?
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Get married at the age of twenty-six, marry the person you love, have a harmonious family, and be loved by your parents-in-law. My eldest sister-in-law is also particularly nice. She delivers small black bottles of fairy water every now and then, as if for free.
Story: I was worried about being pregnant with my third child unexpectedly. I overheard my husband complaining, so I decisively made an appointment for surgery.