What is an "optical tweezer"? It traps particles using a beam of light! Do you know how it works?

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

2 Views

"These are all freaking iconic scenes!"

9.4K Views

Water will flow uphill

24 Views

"Facial Massage"

674 Views

20 common mechanical transmission structures, I'm exhausted

97 Views

Where do mosquitoes lay their eggs?

13 Views

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

10 Views

Learn a few handy tips for hardware tools—don't miss out!

13 Views

The Fertilization Process of Sperm and Egg

11 Views

He clearly said that he didn't see me as a girl, but he was secretly looking at me while searching f

57 Views

How sexy is sexy lingerie?

160 Views

Electricity-Resistant King

20 Views

The most rebellious bridge, the "suspension belt bridge," has stood suspended for 30 years—do you kn

2 Views

There are two balloons, one big and one small. When the tube in the middle is connected, an interest

0 View

A truck mixer driver's nightmare: a blocked tank! What happens when the concrete in the mixing drum

1 View

Wang Hongcheng is a hot contender for the Fields Medal! What exactly is the Kakeya problem, which ha

0 View

The magical "levitating hourglass"—turn the glass tube upside down, and an intriguing phenomenon unf

1 View

Why does popping candy pop? What happens if you drink 6 packs of popping candy and 6 cans of Coke to

0 View

How does a 100-meter tower crane, taller than buildings, get taller? Years of confusion finally clea

0 View

The lack of sex education is truly terrifying.

1 View