You can quickly rotate your hand as shown in the video, and you will feel like you have touched a lump of soft cotton, if you don't believe it, you can try it yourself!
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You may not know why this feeling occurs, but this is because when you rotate your hand quickly, there will be air resistance around your hand, and there will be a slight feeling of pressure, and then you will feel soft and soft.
Another reason is that when you rotate your arm quickly, the receptors on the skin will produce a fuzzy sensation when they move at high speed, and it will spread this feeling, and you will feel like you are touching cotton.
At the same time, when your arm is moving rapidly, it will also stimulate your nervous system, making it difficult for your nervous system to describe what you are feeling, and you will also feel like cotton.
There is also a reliable conclusion, that is, because you rotate your arms quickly, at this time, your arms and palms will be ischemia, and your palms will have a numb feeling, and you will mistakenly think that you have touched something soft similar to cotton.
Let's give it a try! Feel the feeling of touching cotton!