What is a "carbon arc lamp"? When you connect two carbon rods to electricity, an interesting phenome

The ancient navigational tool "Sextant" is still in use today! Do you know how it works?

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Comparison of the size of tsunamis in history

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Water will flow uphill

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Decompression video of the workers series!

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

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Why do rock slabs need to be broken manually? #Science #Unzip #Construction #Cool Knowledge

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LEGO Dynamics: 360 Coaster Challenge

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The Most Silly and Absurd Short Film in History

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Why is the blade of a gantry shear angled? #Science #StressRelief #HeavyMachinery #GantryShear #FunF

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Where do mosquitoes lay their eggs?

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

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How Tsunamis Are Formed (3D Principle)

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

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There is no such thing as a perfect alibi!

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The Fertilization Process of Sperm and Egg

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【Ultra Mirror】Counting the skills and performances of mirror reflection in Ultraman

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What happens when the moon wakes up?

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Experimental research based on gravitational potential energy

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The Butterfly Effect

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The most rebellious bridge, the "suspension belt bridge," has stood suspended for 30 years—do you kn

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