The incredible Buffon needle throw: throwing a needle randomly on paper can actually calculate "π"!

Weird "concave face illusion": why does the pit we hit look convex?

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What is the principle behind submarines? What's the difference between nuclear and conventional subm

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稀土是什么？“中东有石油，中国有稀土”！了解中国稀土的重要性

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Why does the mermaid start reciting pi when you hold an umbrella over the dinosaur?

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

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Mercury, the natural nemesis of gold, when mercury is dropped onto gold foil, an interesting phenome

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How to Invest and Trade on Argentina Stock Market

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I'll post it now while no one is reading it. I really don't want to read it anymore. I'm dying of cr

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Corner reflectors are everywhere! Why can bicycle taillights light up without bulbs?

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What if pi = 3?

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When an earthquake occurs, which is safer—the lower floors or the higher floors? Let's start by exam

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What is a vortex ring? Let two streams of paint collide in water, and interesting scientific phenome

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If the value of pi were calculated, 500 million people would disappear from the world in one day, an

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What is a quantum computer? How is it superior to classical computers? Why do people say it has the

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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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What’s the principle behind electromagnetic guns? Can they replace rockets for launching satellites?

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The incredible elastic tunnel plug inflates into an air bag in half an hour to block the influx of f

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This incredible "old candle" has been burning for 40 years! How did it first form?

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How to separate a pound of sugar and a pound of salt when mixed together? Analyze from a scientific

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How white is the world's whitest paint? Do you know why you don't need to use air conditioning in th

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