What is the use of "lotus root stem silk"? Why is it mixed into ink and sold for more than gold?

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

lengkepu

2 Views

Why do rock slabs need to be broken manually? #Science #Unzip #Construction #Cool Knowledge

haoqiwanhuatong

16 Views

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

yaki1

53 Views

Why is the blade of a gantry shear angled? #Science #StressRelief #HeavyMachinery #GantryShear #FunF

haoqiwanhuatong

9 Views

Strong men VS. Strong fish

Shidaolunhuizhijing

3.2K Views

Why do we need to install a wellbore when digging a well? #Science #Unzip #IncreaseKnowledge #Diggin

haoqiwanhuatong

9 Views

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

haoqiwanhuatong

26 Views

Let's follow Mechanical Punk to explore the irresistible charm of machinery!

jixiepangke

9 Views

The wisdom of the working people is to change the direction of force to move heavy objects. #Science

haoqiwanhuatong

13 Views

The son asked his mother what his name was. The mother stared at him with wide eyes and remained sil

Jingxuanrongmei

46 Views

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

haoqiwanhuatong

9 Views

If you often watch videos, you don’t know how terrible the job of a porn appraiser is!

d___iezatan

159 Views

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

danzijihe_04

115 Views

The most perfect revenge!

laoshuguaitan

103 Views

Why do two people need to swing the hammer when forging iron? #Science #Unzip #Ironmaking #Forging #

haoqiwanhuatong

20 Views

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

lengkepu

1 View

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

lengkepu

0 View

Incredible geocells: Why do roads need honeycomb grids? I admire the engineers' wisdom after reading

lengkepu

0 View

Incredible "bacterial dyeing"—clothes made from bacteria—would you dare to wear them?

lengkepu

0 View

The incredible "lawn bubble" is soft when stepped on, but interesting phenomena occur when it is pop

lengkepu

0 View