Why does pushing the rope over the branch make it flip over? #Science #MechanicalPrinciples #Physics

A few useful life hacks~

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On-site pulley test: does it make lifting easier or not?

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Mengxin can't draw hands? Don't miss out on these super simple painting techniques! hand drawing tut

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Fun English Cartoon 07: Distinguish between that and this in three minutes

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

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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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Rebirth: I Return to the End of the World and Build a Doomsday Bunker (Part 1)

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How a Car Engine Works

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Why do whales leap out of the water? It's much more than just a display of power.

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

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Hurricane Films will stop producing 25-frame videos

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

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Why does steel slag when forging iron? #Science #Unzip #Forging #ExtremeComfort

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Electrical Knowledge

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During a magic exam, a person who only knows physical attacks sneaked in. He doesn't know any magic

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The “flower mosquito” that has everyone in China talking—could it really be an invasive alien specie

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Everyone should learn CPR—this life-saving skill can make all the difference in a critical moment!

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