What is a "ball mill"? Put the steel balls into the barrel and spin them, and interesting phenomena

What on earth compels you to step in dry mud?

yaki1

0 View

The power of science

haoyongwujingongju

44 Views

[ Detective Conan ] Learn Japanese by watching anime. Conan's "Ah-le-le" was criticized by Sonoko

yizhiriyumiaoニャン

408 Views

I guarantee you've never heard these life hacks before

haoyongwujingongju

34 Views

How harsh is the environment on a polar research vessel? #PopularScience #Unzip #ResearchShip #Polar

haoqiwanhuatong

35 Views

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

tanmi

18 Views

Why not turn off the water when repairing a pipe? This is called pressure plugging. #Science #Unzip

haoqiwanhuatong

9 Views

Speed bumps: the amazing work of skilled workers at work~

jixiepangke

147 Views

Why can loose sand be made into sand sculptures after mixing with water?

haoqiwanhuatong

10 Views

Can cliff skiing cause an avalanche? #Science #Unwind #CliffSkiing #Avalanche #Trivia

haoqiwanhuatong

24 Views

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

haoqiwanhuatong

11 Views

20 common mechanical transmission structures, I'm exhausted

Jinzhengmeiyongde

80 Views

How Tsunamis Are Formed (3D Principle)

Jinzhengmeiyongde

20 Views

I advise you to quit porn (enlarging testicles)

xuetudexin-

44 Views

The most perfect revenge!

laoshuguaitan

92 Views

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

d___iezatan

158 Views

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

haoqiwanhuatong

23 Views

Why do honey collectors only harvest a small portion of the hive when harvesting honey at high altit

haoqiwanhuatong

95 Views

Comparison of the size of tsunamis in history

Jinzhengmeiyongde

15 Views

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

danzijihe_04

113 Views