Handmade demonstration of mechanical principles.

German Puzzle Toy: Four Hammers

0 View

Paper gun that fires bullets, super safe

140 Views

I made a door curtain out of old newspapers—what do you think, guys?

43 Views

What's the meaning of "Zhongdeng" and "Laodeng"? Why are people referred to by various names online?

234 Views

What on earth am I supposed to do with all this leftover waste mud at home…???

28 Views

A fellow enthusiast from Anhui sent a piece of DC53 tool steel, asking Master Yu to forge a slicing

40 Views

An adult animation from 20 years ago, where a woman is bullied and a man does whatever it takes to g

11.9K Views

Netizens' welding skills competition! Great welding, don't weld next time!

104 Views

Chips Control the Body

8 Views

How a vibrator works

165 Views

From now on, you won’t need subtitles to watch Japanese movies!

12 Views

Homemade aircraft (banana leaf version) is so beautiful the moment it flies

26.5K Views

A Few Useful Wilderness Survival Tips

56 Views

A hundred rusted iron nails: see how Master Yu transforms waste into treasure by fusing them with an

15 Views

Technology changes life.

267 Views

Can a sub-zero 20°C apocalyptic cold snap really destroy the world?

14 Views

How do you weld a large pipe to a small pipe?

34 Views

A man quarreled with an AI robot and threatened to unplug it. The robot's response made him vomit bl

13 Views

Packing crabs is a task that requires great skill.

26 Views

I just realized that this is how blind people watch football games live🤯

46 Views