Fun childhood toy "Magic Flip"! Wooden blocks keep rolling down from the top. Do you know how it wor

Water will flow uphill

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The incredible ulexite is opaque but can project objects onto its surface. Do you know the principle

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Decompression video of the workers series!

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They say diamonds are forever, but they can be burned and broken.

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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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Learn a few handy tips for hardware tools—don't miss out!

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I advise you to quit porn (enlarging testicles)

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The final battle! A fateful duel, a fight to the death! Superstar vs. Eagle Meteor! The championship

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

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Gear latch process principle

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The 15th Knockout Round of the Gyro Contest, 240 advanced to 120 (1V1 Melee Champions Cup)

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The 10th Knockout Round of the Gyro Contest, 240 advanced to 120 (1V1 Melee Champions Cup)

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Why can silver cut ice in seconds? Put a silver bracelet on it and a magical phenomenon will happen.

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What is the principle of electroplating? Plastics are non-conductive, so why can they be electroplat

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The incredible "heat-insulating tiles" can be baked at 1200 degrees and then held directly by hand.

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The secret of the square wheel's forward motion: the catenary, which mathematicians have studied for

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Interesting science experiment, how to make the simplest centrifuge? Try it with rope and paper

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The incredible "lawn bubble" is soft when stepped on, but interesting phenomena occur when it is pop

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The "most dangerous" toy in history, put the ore into the cloud chamber, and interesting phenomena h

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The strange "Penrose Room", why is it that there are mirrors on all four sides but it cannot illumin

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