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Generally speaking, in the weightless environment of space, water should float in the air and assume a spherical shape, as shown in the picture below. However, during the Shenzhou 13 space lecture, a photo of a water cup caused some confusion. From the picture, it can be seen tha
Why doesn’t the water on the space station float out of the cup?
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CMP is a planarization process that is carried out by chemical and mechanical effects. It preferentially removes the concave and convex parts on the surface to make it a surface with consistent height differences. It can effectively obtain an ultra-smooth surface. Its polishing p
The unspeakable secrets of fumed silica and CMP chemical mechanical polishing (1)
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"Genius is on the left, madman is on the right." "The ultimate genius is madness, and the ultimate madness is genius." Regarding this point of view, some people agree and some do not.
26 years ago, the high school student who built a "nuclear reactor" at home later died of alcoholism and poisoning
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Although infinity is a rather illusory and abstract concept, and it is quite taboo in physics to use any definition of "infinite", it is still a very interesting question. Let's not talk about "infinitely long" ladders for now. Perhaps it is more acceptable to use "long enough".
Can we use an infinitely long ladder to leave the earth without reaching the first cosmic speed?
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Some people say that the pyramid we saw is not a mausoleum at all. So what exactly is it? There are many incredible things about the structure of the pyramid. What is behind it? All the pyramids on Earth are on volcanic lines! Volcanoes are underground energy reserves! We can thi
Some people say that the pyramid is not a mausoleum at all. What is the secret behind it?
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If you neglect them, they will rot. Dr. Estelle Lazar, a forensic archaeologist from the University of Sydney, spoke to ABC News about your pearly whites after death.
What happens to your teeth when you die
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@True Knowledge New Coordinates Regarding time, it has always been a major issue discussed by many philosophers. Einstein once said: "Time is a cognitive illusion of people, which seems to imply that time only exists on clocks and calendars." So, does time really exist or is it o
Time doesn't exist? What would you do if time stood still?
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Click to read the relevant answers. The reasons are nothing more than: high academic pressure, low employment rate, too bald to engage in scientific research in the laboratory, etc., which has led to endless voices in society "dissuading people from studying biology".
Yale Ph.D.: This major has deceived me for fifteen years, and finally I found that I made a profit
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In 1992, Neal Stephenson constructed a virtual world parallel to the real world, the Metaverse, in his science fiction novel "Snow Crash". Since then, although the concept of the metaverse has not left the public eye, it has not been widely paid attention to and accepted by peopl
Ethical Thoughts on the "Metaverse"
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The study, published in Science on June 30, reports that the implant is made of biodegradable materials and is designed to reduce postoperative pain. There is an urgent need for better ways to relieve pain because currently available opioids can be addictive, and ice packs or coo
Still using ice cubes to relieve pain? Science: Try this method
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Through this event, the path from scientific research to industrial application, and from laboratory to clinical practice has been further opened. At the Molecular Diagnostics Forum on June 24, Xu Xiaonan, founder of Dapu Biotech, gave a sharing titled "Searching for Needles in t
Dapu Biotech: Constructing the underlying technology of droplet microfluidics to create industrial-level solutions for biopharmaceuticals
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The L'Oréal Corporate Foundation and UNESCO held a grand ceremony for the "World's Outstanding Female Scientists Achievement Award" on June 23 in Paris, France. Hu Hailan, dean of the School of Brain Science and Brain Medicine at Zhejiang University in China, has become the 2022
TOPHER｜Conversation with Hu Hailan: Female scientists should not be labeled
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According to measurements, the water content of aquatic plants is as high as 98%, the water content of herbaceous plants is 70~80%, the water content of woody plants is 40~50%, and the water content of plants in desert areas is only 6%.
Do you know what plant is called the "nine-death resurrector"?
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Are UFOs "getting together" in 2022? Indeed, there has been a lot of discussion on this issue this year, including the issue of suspicious signals detected by China’s Sky Eye, which we just introduced. Many people say that it may be related to extraterrestrial life.
"Mysterious light beams" appear in many provinces in my country! Citizen: It disappeared a minute ago, what could it be?
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In her research, she found a brain area in the thalamus that could improve movement and depression-like symptoms of Parkinson's disease by regulating different types of neurons in this brain area.
MIT postdoc reveals new target for Parkinson's treatment, expected to be translated into primates
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"China wants to occupy the moon" - NASA Administrator Nelson's accusation against China in an exclusive interview with Germany's Bild newspaper became an international joke this weekend. Some foreign media also quoted his words with a strong sense of irony: For example, an articl
It became an international joke! What is the origin of the man who said "China wants to occupy the moon"?
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On July 4, 2022, at Xiaomi Imaging Strategy Upgrade and Xiaomi New Product Launch, Xiaomi released its first WiFi6 distributed router: Xiaomi HomeWiFi. Xiaomi HomeWiFi uses tri-band professional Mesh technology, combined with 8 high-speed concurrent data streams, to achieve whole
Villa-level signal coverage! Xiaomi releases high-end router Xiaomi HomeWiFi
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The highly anticipated "Mad Max" prequel "Mad Max: Furiosa" (Mad Max: Furiosa) has started filming in Australia (Sydney)! Recently, the official released the first set of photos, and "Brother Hammer" Chris Hemsworth and his family were the first to appear!
"Mad Max Prequel" releases set photos and Chris Hemsworth appears
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"Sister Riding the Wind and Waves" is definitely the most popular variety show in the past two years. Many outdated actresses have become famous through this show and ushered in the second spring of their careers.
The current situation of the actresses who became popular thanks to "Sister Lang": some offended their financial sponsors, while others were "short-lived"
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According to Taiwanese media reports, the Taiwan authorities' Executive Yuan's 30 billion yuan expansion of rent subsidy project will accept applications today. The Kuomintang criticized the "Executive Yuan" Su Zhenchang for only wasting taxpayers' money for superficial political
Will the DPP spend another NT$30 billion to buy votes? Kuomintang approves: I’m sorry for the young people’s tax money
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Relevant units: In order to promote the clustered development of the civil aviation industry in our district, in accordance with the spirit of the document "Qingpu District's Implementation Measures for Actively Launching Manufacturing Brands" (Qingfu Fa [2019] No. 10), the appli
Notice on the Application for Support Funds for Civil Aviation Industry Projects in Qingpu District in 2022
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Every summer, among the classic TV series that we all miss, "Legend of Sword and Fairy 3" must be one of them. June 28th marked the 13th anniversary of the premiere of "Sword and Sword 3", and related topics quickly became hot searches. Every time a fairy tale drama of the same t
No one can even think about remaking "Sword and Sword 3". Those born in the 80s and 90s won't agree, but those born in the 00s can watch Pleasant Goat.