Mirage appear frequently. Why do ancient buildings and people appear in the mirage? It is a disorder of time and space?
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Why install a ball on the roof? Surprisingly, so many people don't know
Audit experts:Luo HuiqianAssociate Researcher, Institute of Physics, Chinese Academy of SciencesDo you have any friends like me? Every time I look at the scenery on the rooftop, my attention is attracted by the constantly rotating metal balls on the roof. Are everyone curious about these metal balls that frequently appear on rooftops or on the roofs of factories? What are these round and rolling guys used for, and why do they always appear on the roof?Today, let me take you all to understand the past and present lives of these little things...
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Ants are unaware of human existence, just like humans are unaware of the existence of advanced extraterrestrial civilizations?
Firstly, ants are aware of human existence, but they do not know that humans are intelligent species. In the eyes of ants, humans are no different from other species...
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100000 years ago, there were at least 6 species of humans on Earth, why were we the only ones left in the end?
The development of human civilization has always been the focus of scientists' research, but in fact, why humans emerged has also been a headache for scientists from ancient to modern times, because regardless of the level of analysis, the birth of humans is too bizarre.To be aware of the vastness of the universe, the emergence of life on Earth alone, and even the evolution of highly intelligent animals like humans, raises doubts about whether our birth was a masterpiece of the Creator...
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Will new energy vehicles completely replace fuel powered vehicles? The owner of the car repair shop roast that he was going to die
A few days ago, I went to sit with a friend who was doing maintenance for a while, but it's been a long time. He said that business is becoming increasingly difficult this year and is considering whether to seek transformation in the future...
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