A clever way to repair pipes: stuff hoses into waste pipes and they can be used for another 50 years

Does 100% pure water exist? Why does Japan store 50,000 tons of ultrapure water 1,000 meters undergr

0 View

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

19 Views

The foreigner's giant plow tractor actually has a cab from the last century!

13 Views

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

10 Views

How Tsunamis Are Formed (3D Principle)

21 Views

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

25 Views

Bleeding Heart

10 Views

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

13 Views

20 common mechanical transmission structures, I'm exhausted

85 Views

I advise you to quit porn (enlarging testicles)

45 Views

He's finally here! ! It's really funny, he plays a mute and a drunkard with a stammer. Others are re

18 Views

Decompression video of the workers series!

34 Views

The incredible elastic tunnel plug inflates into an air bag in half an hour to block the influx of f

1 View

What is scraping? Precision machine tool processing must be done manually, this is the real technolo

0 View

What is the "Venturi effect"? Firefighters can put out fires by spraying water out windows. Do you k

0 View

How does the "traditional oil pressing method" work? How much oil can be produced by hitting a 200-j

0 View

What is the Celtic Magic Stone? Place it on a table and rotate it in the opposite direction. Somethi

0 View

How corrosive is aqua regia? A man used a truckload of aqua regia to dissolve 8 tons of gold. Do you

4 Views

The ball in the bearing won't fall out, so how did it get in? Read this to solve your years of confu

0 View

Although I don’t know the principle, I can imitate it!

0 View