What is "copper ammonia silk"? When the blue liquid is squeezed into the solution, an interesting ph

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2:50

The incredible "Puff Boat" can move forward by lighting a candle. Do you know the principle?

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He's finally here! ! It's really funny, he plays a mute and a drunkard with a stammer. Others are re

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2:31

There are no such things as "useless people" in this world—when properly utilized, everyone is a tre

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I've learned a lot! I always thought sperm extraction involved watching porn movies for visual stimu

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3:01

A truck mixer driver's nightmare: a blocked tank! What happens when the concrete in the mixing drum

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2:59

What are tumbleweeds? The flooding of roads and the invasion of small towns have Americans complaini

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3:40

If an elevator falls out of control, can jumping out a second before hitting the ground save your li

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2:56

The incredible "flowing ring" can climb along the arm against gravity. Do you know the principle?

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1:51

An interesting old item called "candle extinguisher" can extinguish candles at a designated location

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2:44

How powerful is acetone? Press the cup into the liquid and an incredible phenomenon will happen.

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2:41

Incredible "tubeless siphon", liquid can climb up the wall of the cup by itself, do you know the pri

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2:44

What is the Celtic Magic Stone? Place it on a table and rotate it in the opposite direction. Somethi

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2:47

Mercury, the natural nemesis of gold, when mercury is dropped onto gold foil, an interesting phenome

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3:02

There are two balloons, one big and one small. When the tube in the middle is connected, an interest

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2:02

An incredible scientific phenomenon: two circles have different diameters, but why do they roll the

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2:48

What is "Continuously Variable Speed"? Connecting two cones with a belt, an interesting phenomenon o

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2:24

Incredible friction welding, put two steel bars together and rotate them, and an interesting phenome

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13:15

How did sailors accurately locate their positions in ancient times when there were no artificial sat

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2:40

The magical "levitating hourglass"—turn the glass tube upside down, and an intriguing phenomenon unf

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