What was Tesla thinking with such an anti-human design?!

A solemn apology!

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The ultimate beauty of physics

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20 common mechanical transmission structures, I'm exhausted

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Man's Speed Bump: Obsessive-compulsive Worker

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Let's release a video on decorating tips—designers, remember to save it!

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Funny|Using Bamboo To Build A House

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Amazing tool, so creative

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Which genius designed this?

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Iraq has brought Islamic architectural aesthetics to its peak, and it feels like being in the stars

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I made a cheering robot for my brother.

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

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The working people are so clever!

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Do you also do the same when cutting arcs in carpets?

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"Creative Bicycle" – Recommended Only for Fun-Loving People

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Homemade fast roller skates started with an electric screwdriver!

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10 very interesting inventions and tricks, come and see if they work!!!

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Rocking chair production process

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