The train tracks are actually as soft as noodles—do you know why?

Do you know how a motor works?

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The teasing has begun!

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Super cool mechanical series of speed bumps! 7.18

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

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

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

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

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

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

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[Model Train] This run lasted the entire summer

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Did Dindin actually fly away? A man spent 6 days trying to find his Dindin again! Japan's hilarious

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Why does a well spout gas? #Science #StressRelief #Drilling #Well Blowout #FunFacts

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Introduction to Tequila

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How to lay a qualified asphalt road? #Science #Unzip #Paving #Knowledge

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The baby didn't cry or fuss for 18 hours, but the mother didn't care. When the police came over, the

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Huiming Streamer's Dance 5

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How sexy is sexy lingerie?

paidahexiaokui

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Why do two people need to swing the hammer when forging iron? #Science #Unzip #Ironmaking #Forging #

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Racing girl drives the train, sit tight

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

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