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

Do you know how a motor works?

daxingfuxiansheng

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The teasing has begun!

hanenhuih

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

haoqiwanhuatong

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

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

haoqiwanhuatong

24 Views

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

haoqiwanhuatong

12 Views

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

haoqiwanhuatong

32 Views

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

haoqiwanhuatong

23 Views

Introduction to Tequila

yaki1

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

haoqiwanhuatong

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

haoqiwanhuatong

14 Views

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

haoqiwanhuatong

18 Views

Super cool mechanical series of speed bumps! 7.18

jixiepangke

26 Views

Speed bumps!! A mechanical marvel men can't resist~

jixiepangke

25 Views

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

haoqiwanhuatong

22 Views

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

haoqiwanhuatong

21 Views

If he succeeds in his youth, he will be powerful in Shandong Province.

du_bian

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Some not-so-cold knowledge in Genshin Impact [issue 10]

QiurenLin

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[Model Train] This run lasted the entire summer

hangchengtiedaomi

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Relaxing video: Skilled workers at a satisfying job site~

jixiepangke

24 Views