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An abnormal phenomenon in life: Why use a rope to cut the grass? Wouldn’t a blade be more convenient

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What are wind dampers? Why do skyscrapers withstand typhoons? It's all thanks to this thousand-ton i

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Incredible "tubeless siphon", liquid can climb up the wall of the cup by itself, do you know the pri

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A genius invention from 800 years ago! Why can lanterns roll freely without going out—what’s the und

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Why is ice so slippery? A seemingly simple question that has puzzled scientists for centuries

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