How many of those little tricks that only doctors do have you seen...

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

chapingjun

0 View

What modifications can be made to an excavator? #PopularScience #Unzip #LargeMachinery #Excavator

haoqiwanhuatong

35 Views

Why did the steel fly so high in the flying steel accident? #Science #Unzip #RollingSteel #FlyingSte

haoqiwanhuatong

13 Views

Bleeding Heart

yuanlaishicurie

8 Views

Why does a well spout gas? #Science #StressRelief #Drilling #Well Blowout #FunFacts

haoqiwanhuatong

23 Views

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

danzijihe_04

113 Views

Super cool mechanical series of speed bumps! 7.18

jixiepangke

37 Views

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

haoqiwanhuatong

22 Views

Why has the alligator gar survived for hundreds of millions of years? #Science #FantasticBeasts #All

haoqiwanhuatong

11 Views

Speed bump!! Amazing machinery~

jixiepangke

12 Views

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

haoqiwanhuatong

25 Views

Super cool mechanical series of speed bumps!

jixiepangke

6 Views

Workers' amazing work site~

jixiepangke

17 Views

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

Jinzhengmeiyongde

11 Views

Is a fish that's been frozen still considered "raw"? 10.28

jixiepangke

20 Views

Why do we need to grind off the bark? This is the process of peeling and rounding the wood before pe

haoqiwanhuatong

34 Views

Introduction to Tequila

yaki1

57 Views

Why does steel slag when forging iron? #Science #Unzip #Forging #ExtremeComfort

haoqiwanhuatong

16 Views

Why does the doctor always pry into my sex life?

danzijihe_04

14 Views

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

yaki1

43 Views