The ancient Greek god in charge of wind direction, why can a tattered cloth bag measure wind speed?

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

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The most perfect revenge!

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The power of science

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These kids look so annoying.

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centaurs, centaurs

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What would Vikings do if they suspected their wives of cheating?

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Why doesn't it hurt when a needle is stuck in my finger?

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[Friesian horse] Running videos mix

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The Butterfly Effect

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Lego plus AK, the children who received it will be very happy: the master made AK47 with Lego

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Some not-so-cold knowledge in Genshin Impact [Issue 26]

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

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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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Incredible "paper sculptures" stretch back and forth like an accordion, and one can sell for 300,000

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Some normal psychological phenomena

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The incredible "anti-bubble", the outer layer is gas and the inner layer is liquid, do you know the

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The "rice pile" that makes people addicted! Why do you like to put your hands in rice when you go to

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Hyperbolic space: the mathematical version of blind men and an elephant! Why do two lines on a disk

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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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How dangerous is it really to reach the summit of Mount Everest? Why does Everest have two "heights"

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