The incredible "sedimentation phenomenon" makes sewage clear in seconds after being scooped out! Wha

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

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Water will flow uphill

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

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Every little science experiment can be explained using scientific knowledge.

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A millennium-old mystery—anyone who understands can step forward and explain it.

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Use inertia to remove parts. #PopularScience #Unzip #Inertia #SlidingHammer

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A girl attended a comic exhibition and was fed candy by a strange girl. After eating, the razor blad

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Why are the joints of steel cables so strong? #Science #Unzip #SteelCable #MachineryManufacturing #E

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Why does steel need to be rolled repeatedly? #Science #Unzip #Rolling #Forging

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How a vibrator works

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

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Gear machining: Why only a tiny bit of cutting is required? #Science #Unzip #Machinery #ExtremeComfo

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I advise you to quit porn (enlarging testicles)

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Decompression video of the workers series!

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Where do mosquitoes lay their eggs?

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The Ultimate Sense of Comfort and Aesthetic Beauty

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The Fertilization Process of Sperm and Egg

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Will the Earth experience another ice age?

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Why does a compound bow get easier to draw the more you draw? Its design defies physics, allowing yo

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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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