Why does the tide rise twice a day?

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Bilibili’s newly updated translation feature is absolutely insane! It can translate almost anything.

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Episode 139 | The Principle Behind Rising and Falling Tides!

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The wisdom of the working people is to change the direction of force to move heavy objects. #Science

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[Legend of the Galactic Heroes DNT] Starfleet Battle Special

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The “Speed Bump Man”: An Irresistible Mechanical Charm

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"I was shocked by the scene before my eyes! It was like I had entered another world!"

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A comet the size of Mount Everest collides with Earth

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Start dreaming

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The AI team was utterly defeated

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A tool men can’t refuse

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Small Tip: Iron Plane, Copper Wire, C‑shaped Sealing O‑ring, PVC Conduit, Hot‑Melt Chemical Welding,

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[Mashup Video] "Interstellar" remix cut

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[Survival Chat] What are the major plot flaws in “Extreme Cold Apocalypse” stories?

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【Steven Cosmic】Amethyst's past, the beauty in mistakes

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Space Battleship Andromeda: "Even if it is short-lived and shines in the starry sky, I have no regre

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[Movie] 'Interstellar' All Space Scenes Compilation

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Audio-video desynchronization! Why does the video’s lip-sync always look off?

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[Remix] Space Travel Can Make You Calm

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