In case you haven't seen the man who strapped on giant wings and imitated bird flight in 1931

In case you haven't heard people speaking dialect during the Republican era [Original Soundtrack]

butiaoguade___bao

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How are mooring ropes secured? #Science #Unzip #MooringRopes #Ship

haoqiwanhuatong

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The power of science

haoyongwujingongju

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As long as you use the right method, work won't be that tiring.

haoyongwujingongju

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Why are the joints of steel cables so strong? #Science #Unzip #SteelCable #MachineryManufacturing #E

haoqiwanhuatong

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Why do we need to cut a slant on the tree when felling it?

haoqiwanhuatong

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Why do sprinkler heads keep knocking when irrigating farmland? #Science #Decompression #Irrigation #

haoqiwanhuatong

7 Views

Why do we cut trees at height? Will there be accidents? #高空伐木 #解压 #科普

haoqiwanhuatong

6 Views

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

tanmi

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Upgraded version of how to fold the wings of a thousand paper cranes, teach you how to fold step by

fanxianshengshougong

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Why not use a high-pressure water gun to wash your car? #Science #Unzip #High-pressureWaterGun #CarW

haoqiwanhuatong

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Are the videos we watched fake? Has wild sex education been fooling us all these years?

danzijihe_04

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20 common mechanical transmission structures, I'm exhausted

Jinzhengmeiyongde

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

haoyongwujingongju

22 Views

Handmade Wings

_xizhi

840 Views

How are the patterns painted on ceramics? #Science #StressRelief #Pottery #LearnSomethingNew

haoqiwanhuatong

7 Views

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

yaki1

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

haoqiwanhuatong

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Rare historical images (1)

alaries

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"Earthquake Bed," which has been watched by 50 million people online, is about to release version 2.

Feifeijianzhang

12 Views