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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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A new cosmological model proves that the universe can expand and contract endlessly, providing a rival to the Big Bang theory and solving a thorny puzzle of modern physics, according to physicists at the University of North Carolina at Chapel Hill learning problems. By Dr. Paul F
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Summary: What kind of plant looks like a "sausage" growing by the river? Do you know its value? The best way to repel mosquitoes is that the water resources in the south are very abundant, and there are not only various "river fresh foods" in the water, but also various wild vege
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According to a recent article published in the British magazine "Nature", meteorologists have predicted La Niña for the third consecutive year, that is, a rare "triple" La Niña climate event may occur.
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I believe many of you have seen the movie "Venom". The image of the intelligent liquid shown in the movie is impressive, but you may not know that there is also such a kind of liquid in the real world. It can not only flow, but also It can change its shape and even beat regularly
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Since Bill Nelson became the new administrator of NASA in March last year, he has repeatedly exaggerated the "Chinese space threat theory" in public. No, according to a report by Germany's "Bild", a few days ago in a In a public interview, Nielsen once again expressed his views o
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Engineers have developed new energy-filled lithium-ion batteries that perform well in both cold and blazing temperatures. Engineers at the University of California, San Diego (UCSD) have developed new lithium-ion batteries that perform well in both cold and hot temperatures while
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As we all know, Samsung mobile phones have been suffering in the domestic sales market in recent years, but their global market share is second only to Apple mobile phones. Take Samsung's annual flagship model S22 Ultra, for example, with its simple and exquisite design style, ef
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Many of the fans who consulted Lao Bai during this period are planning to get married. They all wanted to ask Lao Bai what they should pay attention to before getting married. Well, Lao Bai will tell you today 6 things you must do before marriage: 1. Understand the awareness of i
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I believe that a man should not hit a woman or his wife under any circumstances. When a man hits a woman, he is bullying the weak. My boyfriend said that he is opposed to domestic violence, and his parents have never experienced domestic violence. He personally feels that this ki
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