What is a "peristaltic pump"? Let the two wheels rotate continuously, and interesting phenomena will

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3:33

How does a 100-meter tower crane rise? How does the driver get on? I finally understand the principl

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4:45

稀土是什么？“中东有石油，中国有稀土”！了解中国稀土的重要性

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0:54

#白鹿#'s eyes are really warm and she keeps looking at #周深##宋玉琪##跑吧#

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2:38

What is hot ice? Do you know how your palm freezes quickly when you put it in liquid?

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5:56

Ultraman Ace: The Yabo people actually let humans breed super beast babies for them

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0:15

【Wednesday Animation】Wednesday is the best friend!

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6:20

[Finished Footage | Educational Film] "The Production Process of Celluloid Animation" Fleischer Stud

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7:44

When talking about her father, Liu Yifei's eyes welled up with tears. Although her parents are divor

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2:50

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

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2:32

Corner reflectors are everywhere! Why can bicycle taillights light up without bulbs?

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2:37

"I would rather starve to death than haul steel coils!" Why are steel coils, which drivers try to av

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2:34

The roller itself is hollow, so how can it generate 60 tons of high pressure? The secret lies within

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2:29

The stickiest couple: erasers and rulers! Why do they always stick together? They even melt.

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2:57

What is the "Venturi effect"? Firefighters can put out fires by spraying water out windows. Do you k

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2:18

The incredible "Archimedes' Compass" makes every ball move in a straight line! Do you know the princ

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3:34

The sea is so deep—how on earth were the bridge piers of this cross-sea bridge constructed? When it

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3:09

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

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2:38

What are "speed bumps"? What are the functions of those rows of "iron mushrooms" that sprout up alon

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3:33

How is pi calculated? Mathematicians have been calculating it since ancient times. Why is it so impo

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3:01

The incredible elastic tunnel plug inflates into an air bag in half an hour to block the influx of f

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