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Physics 62 Special Relativity (6 of 43) Relativistic Velocity: Another Example
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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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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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Every spring and summer is the time when most young birds learn survival skills such as leaving the nest to fly and foraging for food. Due to rain, strong winds, physical strength and other reasons, many young birds will accidentally fall from the trees when learning to fly. . Wh
Don't pick up the birds on the roadside! Please let them go home on their own
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One laboratory announced its new establishment. From a common sense point of view, since it has been released to the public, it must not be a small laboratory or it must be responsible for some insignificant fringe projects; since a laboratory has been established and publicly an
What big project is this new laboratory doing?
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Paris, July 7, local time, France had 161,265 new confirmed patients and 89 new deaths within 24 hours, bringing the total to 149,943.
An increase of 161,000 cases! New variant of COVID-19 detected in Europe! Fuel subsidy launched in October! France plans to limit property tax increases! Pasta and meat prices are going crazy
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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 metallurgical industry in the Qing Dynasty exceeded the level of the mid-Ming Dynasty. According to statistics from the Geological Survey, the national output of iron smelting by the old method was more than 170,000 tons in 1919, and the output of iron in the late Qing Dynast
Cold Knowledge of the Qing Dynasty - Metallurgical and Machinery Manufacturing Achievements of the Qing Dynasty
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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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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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This article is original to the Translational Medicine Network. Please indicate the source when reprinting. Author: Lily Introduction: Fat cells can be divided into "white" and "brown" - white fat cells are responsible for storing fat, and their weight accounts for about 15%-20%
"Nature" rekindles brown fat cells and eliminates excess fat
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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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On February 18, South Korean police confirmed that actor Ha Jung-woo was under investigation for illegally injecting propofol. National Science and Technology Search is currently conducting hair tests to confirm whether he is still taking the drug recently.
The Korean police confirmed that Ha Jung-woo is under investigation for drug abuse. I have not responded yet.
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Actor Kim Yong Gun has confirmed through genetic DNA testing that his 2-year-old son, whom he acquired later in life, is his biological son. He has eliminated unnecessary misunderstandings and is going through household registration procedures.
Ha Zhengyu's father gave birth to his third child at the age of 77. After DNA testing, he was confirmed to be his biological child.
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The protagonist is older and stronger, and the plot is more bloody than a Qiong Yao drama. It can be said that when the elderly become more intense, the marriage and love story is much more exciting than that of the young ones. "The Chaser", "Representative of the Nation", "Horro
She gave birth to three children at the age of 76, her wealth is really amazing
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What kind of era is this? We often stop in front of the shelves to buy a product that we don’t need at all, and we fight tooth and nail just for a cheap T-shirt co-branded by two well-known brands.
11 years, 4 encounters, the dazzling Kim Go Eun is back
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How many people study hard day and night in order to go to a good university, especially Peking University and Tsinghua University, because being able to graduate from Peking University and Tsinghua University is definitely a dazzling star on their resume, and they will have a be
10 years have passed. What happened to the Peking University math genius who became a monk despite his parents’ cries?
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How can a person realize the value of his life? "If you are successful, you can help the world; if you are poor, you can save yourself." If you want to save the people from the sea of suffering with the power of one person, what choice should you make?
Mathematics genius at Peking University rejected an invitation from a prestigious American university and became a monk. After 8 years, he became a monk in despair.