The airplane appears to be hovering in mid-air, but in reality, it's our brain playing a trick on us

Why do rock slabs need to be broken manually? #Science #Unzip #Construction #Cool Knowledge

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It turns out that we are all lovely ordinary people.

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Why is the blade of a gantry shear angled? #Science #StressRelief #HeavyMachinery #GantryShear #FunF

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How are the patterns painted on ceramics? #Science #StressRelief #Pottery #LearnSomethingNew

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Why do we cut trees at height? Will there be accidents? #高空伐木 #解压 #科普

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What modifications can be made to an excavator? #PopularScience #Unzip #LargeMachinery #Excavator

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Why do we say that no two pairs of ripped jeans are exactly alike? #Science #Unzip #Jeans #Workers #

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Why do we need to install a wellbore when digging a well? #Science #Unzip #IncreaseKnowledge #Diggin

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They say diamonds are forever, but they can be burned and broken.

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Why does the bearing emit "hot air" when installing it? This is the interference fit installation me

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Those iconic blunder scenes that became legendary

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Why do sprinkler heads keep knocking when irrigating farmland? #Science #Decompression #Irrigation #

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There are no such things as "useless people" in this world—when properly utilized, everyone is a tre

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

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

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Pay attention! This picture was rated as the classic optical illusion picture of 2020, which makes p

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The snow on the roof looks beautiful, but why do we need to remove it?

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Why do we add a layer of metal between the hammer head and the wooden handle? #Science #StressRelief

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The wisdom of the working people is to change the direction of force to move heavy objects. #Science

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Why can the fountain stone ball rotate? #Popular Science #Unzip #Physics #Fountain Stone Ball #Trivi

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