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

The ancient navigational tool "Sextant" is still in use today! Do you know how it works?

lengkepu

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The power of science

haoyongwujingongju

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The foreigner's giant plow tractor actually has a cab from the last century!

haoqimiaomiaomiaody

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How Tsunamis Are Formed (3D Principle)

Jinzhengmeiyongde

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Xiao Wu finds Aisha to go to school

aotemanazhai

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【OK Dance】ok dance earned it cover dance choreography Kunming hip-hop, Kunming jazz, Kunming Korean

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Comparison of the size of tsunamis in history

Jinzhengmeiyongde

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How to lay a qualified asphalt road? #Science #Unzip #Paving #Knowledge

haoqiwanhuatong

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

haoyongwujingongju

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The bullied eventually become the bullies!

haiwaishipinlv

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Decompression video of the workers series!

jixiepangke

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Why doesn't it hurt when a needle is stuck in my finger?

yaki1

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What is "liquid nitrogen branding"? Instead of using a red-hot iron, you can mark your butt the mome

lengkepu

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Why does chewing betel nut make your face square? Read on to learn how harmful chewing betel nut is!

tanmi

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Why is the surface of a golf ball covered with tiny dimples? How much force can the little ball with

lengkepu

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How do fishing nets work? Why are they able to catch fish even though the bottom is empty?

lengkepu

2 Views

The trebuchet, a device that terrified the ancients, could hurl a 300-pound boulder 400 meters. Do y

lengkepu

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Where is the airplane's fuel tank? Given how expensive aviation fuel is, why do planes still dump fu

lengkepu

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The most rebellious bridge, the "suspension belt bridge," has stood suspended for 30 years—do you kn

lengkepu

2 Views

Second grade oral arithmetic, but [multithreading] challenge! !

NailinQueen

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