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A perpetual motion machine is an ideal machine that can work without any fuel. It does not require external energy input, or it only needs an initial energy. The perpetual motion machine can continue to do work forever without stopping.
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Because I like flowers, I appreciate flowers. A kind of flower, when in full bloom, is as brilliant as fireworks, that is the flower of the fireworks tree. Fireworks tree, also known as Xingshuo Mountain Jasmine, is a small shrub of the genus Verbenaceae. It is native to the trop
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The acidic thickener has no cloud point and is a light yellow to amber viscous liquid. It is easily soluble in water and is a nonionic surfactant. When the anionic surfactant is acidic, the thickening effect is particularly obvious when combined with it. It can be used with Compa
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[Source: Shandong Provincial Department of Natural Resources_Government News] In order to comprehensively popularize knowledge about seafood nutrition, health and food safety, and improve teachers and students’ scientific understanding of the quality of marine life, the Provincia
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As summer approaches, ozone pollution occurs more frequently. Because it is not as easy to detect as PM2.5 and haze pollution, which affect visibility, it is often ignored by the public. To this end, Professor Hu Min’s team from the School of Environmental Science and Engineering
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Hello, little Moores. During this period, little Moores have given feedback that they feel that the space atmosphere in the manor is not strong enough. Don’t worry, the construction of space does not happen overnight~ After the planning and construction of June Manor, new space c
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Bow is an academician of the Chinese Academy of Sciences, an expert in neuroscience, a first-class professor, and one of the founders of modern neuroanatomy in my country. He proposed the hypothesis that the anterior lobe of the mammalian pituitary gland is dually regulated by ne
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The vastness of the universe is beyond human imagination. But we humans spend all our energy fighting and fighting with our fellow humans for some things. A brief look through this telescope will tell us that those things are trivial. The book "A Hundred-Year Adventure in the Uni
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The new pentaquark, illustrated here as a pair of standard hadrons loosely bound in a molecule-like structure, consists of a charm quark and a charm antiquark as well as an up, a down and a strange quark. Image credit: CERN International Large Hadron Collider (LHCb) Three never-b
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[Source: Xiaoshan Disease Control] Ultraviolet (Ultraviolet, UV) is invisible light with a higher frequency than blue-violet light.
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Among the celestial bodies in the universe, there is a huge force among the planets, constellations, and star groups, that is, "universal gravity" (discovered by the British scientist Newton), which pulls and connects each other, and is fixed in a certain position and cannot be s
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We ordinary people's understanding of time is that it keeps moving forward without an end. The famous Jewish physicist Einstein and our country's Shi Yigong have similar views on the concept of time. They believe that time is just human perception and an illusion. Because humans
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There are certain bottom lines that cannot be touched when criticizing children, as the result will only be counterproductive. When children make mistakes and are disobedient, parents are always prone to get angry, yell, or even beat and scold their children: "If you continue to
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Image: Doctor Strange 2: In the Multiverse of Madness Marvel movies have been taking his multiverse route since Avengers 4: Endgame . In this movie, in order to collect the Infinity Stones and bring back the lives that had been wiped out, the Avengers each traveled to different u
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Recently, the Vascular Surgery Department of Tonglu No. 1 Hospital, with the guidance and help of an expert from Hangzhou, successfully performed an interventional surgery for deep vein thrombosis in the lower limbs, which relieved the pain and eliminated the patient's risk of pu
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In the hot summer, mosquitoes are at their most aggressive. Mr. Chen (chěn), a citizen of Nanchang, was still walking on foot near the bank of the Liao River in Anyi County. This time, I didn't expect that history would be rewritten. People in Nanchang, Jiangxi Province were surp
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