Everyone with myopia has done this, but no one knows why.

Why do pants get darker when they get wet? (Don't ask me how...)

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Why should you clean your car's exhaust pipe? #Science #Unzip #Car #Cleaning #Trivia

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

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Those super cool mechanical series of speed bumps~

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Why do we need to cut a slant on the tree when felling it?

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Why is steel colored after cutting? #Science #Unzip #Metalworking #CoolKnowledge

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[DIY] I will teach you to make cool bismuth crystal!

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Far more than the average family car? A palm-sized inline four! The whole process of assembly!

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I advise you to quit porn (enlarging testicles)

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Hanabi❤️Use her belly to catch a 0.92-ton iron ball, and each like will increase the initial speed b

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Violent gyro (10KG)

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When I rubbed out Wall-E with my hands, my life took a qualitative leap~

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High Voltage Toys 9

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High IQ crime, the battle between mathematical genius and physics genius

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High voltage toys 2

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"The beauty of light refraction"

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Newton: You kid really didn’t take me seriously!

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What a zombie moon looks like

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Interviewing the first candidate caught cheating in the college entrance examination in 2020, I neve

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Let's take a look at the satisfying workplace of skilled workers!

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