Why is curling so expensive at 12,000 yuan per piece? Only three companies in the world can make it.

What is "wire cutting"? The machining accuracy of a molybdenum wire can reach 0.001mm. Do you know t

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Harmonic Drive Reducer

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[Animation] Antarctic Athletes Compete In The Winter Olympics

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Bingdundun: Do a good job of expression management, OK!

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Incest, but not completely

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There is no such thing as a perfect alibi!

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Yuzuru Hanyu, who is obviously playing a noble son, how can he become the stupid son of the landlord

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Professional pool cleaner gets 12 million fans by cleaning indoor swimming pools

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lol Winter Olympics: As the captain of the ice hockey team, it’s normal for me to bring a stick when

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Some not-so-cold knowledge in Genshin Impact [Issue 3]

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What is "copper ammonia silk"? When the blue liquid is squeezed into the solution, an interesting ph

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This "universal charger" that reveals your age can charge any battery. Do you know the principle beh

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What is a Halbach array? Changing the orientation of a magnet can enhance its magnetic properties. D

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Scientists threw raisins into soda, and an interesting phenomenon occurred. They also published a pa

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The ancient navigational tool "Sextant" is still in use today! Do you know how it works?

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What is scraping? Precision machine tool processing must be done manually, this is the real technolo

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The stickiest couple: erasers and rulers! Why do they always stick together? They even melt.

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Is the ancient "silver needle test for poison" effective? Strange things happened when you put a nee

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What is the principle of electroplating? Plastics are non-conductive, so why can they be electroplat

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How does a microwave oven heat something? Why can't you put metal in a microwave?

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