Why does a flame not "fall" under the action of gravity? What happens to flames under weightlessness?
We know that all objects on Earth are subjected to the action of gravity. If there were no gravity, the entire Earth would be in chaos...
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Do not go to the business hall or make phone calls. I will teach you how to use your phone to directly change the mobile package to a minimum fee of 8 yuan
Hello friends, I am Xiaojun. I believe that when you use your phone, you often find that you don't make much calls...
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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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The world's first frozen person: paid 50 years in advance, originally scheduled to be awakened in 2017. Wake up?
In science fiction, there is a well-known concept: 'human hibernation'.For example, during long-distance interstellar travel, in order to avoid people dying of old age before reaching the destination...
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Russian mathematical genius: claimed that parallel lines can intersect, but was questioned and ended in frustration, which was confirmed 12 years later
Before reading this article, please click on 'Follow'. It not only facilitates your discussion and sharing, but also brings you a different sense of participation...
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