The person who built the Hoover Dam was definitely a genius—why has it stood strong for 90 years?

Why do wood shavings from woodworking bend?

haoqimiaomiaomiaody

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Yemen is the first country to be destroyed by drugs, even children are not spared. How tragic is it?

tanmi

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Which genius designed this?

hanenhuih

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black hole genius

guangyiyingyu

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Why is steel colored after cutting? #Science #Unzip #Metalworking #CoolKnowledge

haoqiwanhuatong

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Introduction to Tequila

yaki1

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Super cool mechanical series of speed bumps!

jixiepangke

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New: "The Three Sisters of Teino Turned Out to be Easy to Deal With" Episode 02 Explains the Three G

マイキャラ_02

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Those talented young men from the royal family

yiqitouzhuo

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Super cool mechanical series of speed bumps! 7.18

jixiepangke

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The Fertilization Process of Sperm and Egg

Jinzhengmeiyongde

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Why don’t civilian aircraft spray flames? The working principle of turbofan jet engines

Jinzhengmeiyongde

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6-year-old Russian piano prodigy Elisey Mysin plays the classic "Mozart Piano Concerto"

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This fish is so scary that it even dares to bite people while protecting its cubs!

quanzhilierentekaopu

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Speed bump!! Amazing machinery~

jixiepangke

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Gear machining: Why only a tiny bit of cutting is required? #Science #Unzip #Machinery #ExtremeComfo

haoqiwanhuatong

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42 The brother is so crazy, he looks like he wants to kill the hero! The hero is about to be conquer

yancheng1

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Making a 10m Underground Tunnel/Swimming Pool by Hand

JungleSurvival

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[DIY]Building a Wilderness Vacation House

Huangyejianzaozhe

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Xiao Chuhe, the Sixth Prince of Beili, is worthy of being called the number one genius!

yuanqiancz

26 Views