Why does it rain bubbles? Slow down water drops on sand 500 times! An interesting phenomenon occurs

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

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How a Car Engine Works

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Kochou Shinobu Character Profile: Coins can be flipped to make choices, but unwavering determination

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The foreigner's giant plow tractor actually has a cab from the last century!

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Water will flow uphill

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Every little science experiment can be explained using scientific knowledge.

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Incest, but not completely

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What kind of wisdom did the ancients have to design such a sophisticated mechanism?

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I advise you to quit porn (enlarging testicles)

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Where do mosquitoes lay their eggs?

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Decompression video of the workers series!

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Battery Magnet Train

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Even a single swipe with an eraser causes it to slip—don’t believe me? Try it yourself!

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The Butterfly Effect

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

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Unbelievable metal "infectious disease": tin plates expand and shatter when they come into contact w

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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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A genius invented the "Golden Lips Bug," which lay inside the American national emblem for seven yea

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What are "speed bumps"? What are the functions of those rows of "iron mushrooms" that sprout up alon

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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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