Why are ropes twisted together in a spiral? This not only disperses stress but also makes the rope m

Why don't plastic caps on mineral water bottles leak? What's the principle behind this? #解压 #科学 #微观世

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Divers Clean Barnacles from the Ship’s Bottom

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What irresistible machines!!

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Why Are Raised Road Markers Being Scraped Off? #Science #StressRelief #Construction #LearnSomethingN

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Skilled workers at a satisfying job site~

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Why not turn off the water when repairing a pipe? This is called pressure plugging. #Science #Unzip

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Man's Speed Bump - Skilled Worker Series

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

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

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Today's decompression video: the workers' amazing work scene~

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Why do we need to stretch the syrup repeatedly when making handmade candies? This step is actually c

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How harsh is the environment on a polar research vessel? #PopularScience #Unzip #ResearchShip #Polar

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Why does glass crack along the scratch of a glass cutter? #Science #Unzip #Glass #Physics #Trivia

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Workers used a traditional method to detonate the coal seam.

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Is this fish edible?

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Why do honey collectors only harvest a small portion of the hive when harvesting honey at high altit

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Some lawns are dyed green, and others have their turf replaced in patches.

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Let's take a look at those satisfying work moments!

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Man speed bump!! Skilled worker series~

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

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