Beijing Shougang Park: An industrial site turned into a place for Internet celebrities to check in for the Winter Olympics! ?

In the 2022 Beijing Winter Olympics, in the women’s freestyle skiing women’s platform final, Chinese player Gu Ailing threw and leaped in the air, breaking the historical record of the Winter Olympics with a difficult 1620-degree turn, and won gold in one fell swoop; a week later, Chinese player Su Yiming did the same. Won …
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If the blood contains iron, will it be sucked away by the magnetic field?

Magnets are everywhere, and almost all mechanical and electronic equipment use magnetic accessories. Therefore, the magnetic field has long become an integral part of the modern world. In nature, the most easily attracted material by magnetic field is naturally “iron”. However, anyone with a little medical knowledge also knows that the human body contains iron, …
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People who live in tin cans

Paul Alexander, 76, has lived on a cylindrical iron can for 70 years. He spends most of his time lying in it, otherwise he will die. This iron can is an “antique” produced 70 or 80 years ago, and even repair is a problem. Why does Paul have to live in an iron can? Child …
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