Why can't you pee in boiling water? The unique Maragoni effect causes hot water to flow upstream
Many people have thought about urinating in boiling water, but have been told not to. So, why can't you pee in boiling water? This involvesMarangoni Effect Yes...
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Why does the sea rise and fall? Where did the seawater go after the ebb tide? I've finished reading about the rising knowledge
The sea is one of the most magnificent and spectacular wonders on Earth, and its turbulent and vast scenery is breathtaking! In our daily lives, we can often see the phenomenon of rising and falling tides in the sea. So, why does seawater rise and fall? Where did the seawater go after the high tide?Reasons for rising and falling tidesFirstly, we need to know that the phenomenon of rising and falling tides in seawater is caused by the gravitational pull of the moon and the sun...
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32 years ago, American scientists conducted an experiment where four men and four women lived in the same room for two years. What were the results?
In the 1960s, the Americans had successfully ventured into space and sent humans to the moon. In addition, the space hegemony between the United States and the Soviet Union was very serious at that time, and the Americans began to make bold ideas in order to rank higher than the Soviet Union:Can we directly create an ecological base on an outer planet in space where humans can live?With the proposal of this plan, the Americans began the experiment with great fanfare, with four male and four female participants,So what exactly is the result? Is it what people say gave birth to a football team or was the experiment successful?Experimental planThrough many years of exploration and experience accumulation, American scientists have discovered that in order to build an extraterrestrial ecological base,Only Mars in space meets the conditions for human survival and migration, but one fatal drawback is that there is no oxygen on Mars...
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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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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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