When getting glasses, what is the little house you see in the ophthalmometer for?

Not a single frame is wasted in these 26 seconds—every shot is full of drama.

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The Magical World

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Swiss-Mile机器人首揭露

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Why can a single jar spew flames like an engine?

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[Physical Magician Matthew] Humanoid Weapon

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Has our universe been tampered with?

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[Science] Magnify the tip of the pen N times!

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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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How to make a Poo-Po-Po boat for Sosuke and Ponyo?

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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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Today it’s the physics and chemistry teacher’s turn to perform! Physics teacher, I think I’ve alread

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I advise you to quit porn (enlarging testicles)

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Everyone should learn CPR—this life-saving skill can make all the difference in a critical moment!

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Speed Bump: The Skilled Worker Series

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Stephen Chow's classic movie clip - The MasterChef

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Why can a flame gun refurbish plastic?

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A Roundup of the Strangest Sex Facts!

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Damn, Am I Seeing Sound Now?

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Far more than the average family car? A palm-sized inline four! The whole process of assembly!

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

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