Why is the speed limit of the universe 299,792,458 meters per second? Is there any special reason?

The teasing has begun!

hanenhuih

98 Views

How are the piers of a cross-sea bridge constructed underwater?

lilunkexue

1 View

How do we measure the weight of such a heavy earth? [Bad review]

chapingjun

15 Views

[DIY] I will teach you to make cool bismuth crystal!

Shiwudeyueliangnianjiuyuan

6.2K Views

They say diamonds are forever, but they can be burned and broken.

haoqiwanhuatong

25 Views

How to draw a circle?

lilunkexue

106 Views

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

tanmi

11 Views

Those skilled workers deliver satisfying results on the job site!!

jixiepangke

27 Views

Speed bumps!! A mechanical marvel men can't resist~

jixiepangke

11 Views

[Warhammer 40k] Nameless Rage

Tangeer

1.3K Views

I advise you to quit porn (enlarging testicles)

xuetudexin-

36 Views

skibidi toilet zombie universe 63 zombie universe

feixingliuyue

98 Views

Relaxing video: Skilled workers at a satisfying job site~

jixiepangke

17 Views

Let's take a look at the amazing workplace of skilled workers!

jixiepangke

36 Views

Advanced civilizations are on the road to escape. A short sentence tells the cruelty of the universe

yingshijieshuoji

13 Views

skibidi toilet zombie universe 18 zombie universe

thisis-me

433 Views

Could the rift in spacetime really open?

jingjing____

137 Views

A few useful life hacks~

jixiepangke

41 Views

[Movie] A Mashup Video Of Intersteller| Poems Written In The Milky Way

Feizhoudexiaojierui

747 Views

Astronaut: What? The Earth exploded?

yitoude__ufa

12 Views