What is a Reuleaux triangle? Place a cup on the triangle and push it—something fascinating happens!

The power of science

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Flight attendants struggle every time they close the aircraft door—why not design it as an electric

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20 common mechanical transmission structures, I'm exhausted

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Introduction to Tequila

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What kind of wisdom did the ancients have to design such a sophisticated mechanism?

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The foreigner's giant plow tractor actually has a cab from the last century!

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

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Decompression video of the workers series!

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How strong is the force of regular CPR? I feel like my ribs are going to break in the next second.

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Why doesn't it hurt when a needle is stuck in my finger?

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Car repair tips: temporary inflation, wire bundling to prevent punctures, DIY fenders, lubricating t

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[Science] Amazing science magical toys to astonish you

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Painting - Paradox

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Yemen is the first country to be destroyed by drugs, even children are not spared. How tragic is it?

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Homemade wine candy

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DIY Process | DIY Tricks You Could Use

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You May Never Open This Video

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Hinata

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Who said this UP can't build bridges? !

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Iron Ball VS Glass Bottle Blast Contest

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