Why can you pull out a pillar stuck in the ground by wrapping it around an iron chain? #Science #Unz

Why do we cut down large trees? #Science #Relaxing #Lumberjack #CuttingTrees #Trivia

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Don't Laugh Challenge 15

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A gadget from the 1920s, but no one uses blades anymore

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Converting water into hydrogen is so easy - How to make a simple hydrogen generator!!!

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Fire and ice

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What Creatures Can Take Blood From Leeches?

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Who said this UP can't build bridges? !

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How are mooring ropes secured? #Science #Unzip #MooringRopes #Ship

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

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Nuclear fusion light helps snail eggs hatch out of their shells at high speed

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You don't necessarily have to go to the ocean to surf—surf simulators and artificial wave pools can

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This is the first time I saw a hydraulic press fail.

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How about feeding live leeches to nepenthes? Can you digest it?

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Fan Edit|Seobok|Return to the lab by himself 6

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

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Can cliff skiing cause an avalanche? #Science #Unwind #CliffSkiing #Avalanche #Trivia

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Slime Experiment!

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

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Why did the steel fly so high in the flying steel accident? #Science #Unzip #RollingSteel #FlyingSte

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