Why is the speed of light 299792458m/s instead of 300000000m/s?

Will future civilizations be able to discover that humans have existed?

lilunkexue

1 View

The teasing has begun!

hanenhuih

257 Views

[Warhammer 40k] Nameless Rage

Tangeer

1.3K Views

[Stars/Healing] "♥Look up to the Milky Way, it's all you♥"

Xiangsuhuayiyi

21 Views

Cosmic Superman vs. Godzilla

kanqilaihaoxiaoderen

100 Views

[Stellaris] Faster Than Light

Xingqiyuan

73 Views

【Xuanwu Four Symbols Ⅻ】 Episode 23: The Universe Killing God Realm

qiyuyuanshiren

23 Views

The Death of Superman

dongniao1

124 Views

【Gray Animation】Interstellar Exploration

Qingmeizhumagoulizhi

1.9K Views

Damn, Am I Seeing Sound Now?

WozhijiezhuBzhan

11.1K Views

Far more than the average family car? A palm-sized inline four! The whole process of assembly!

kejishouo

1.6K Views

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

Shiwudeyueliangnianjiuyuan

6.2K Views

Why can the fountain stone ball rotate? #Popular Science #Unzip #Physics #Fountain Stone Ball #Trivi

haoqiwanhuatong

10 Views

High Voltage Toys 9

WuliaodeyitianAboringday

2.7K Views

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

tanmi

12 Views

High voltage toys 2

WuliaodeyitianAboringday

236 Views

Good news is coming to you.

yizhixiaow___iang

13 Views

How can two different immortals coexist on a planet where water is more valuable than life?

jiejiuchuanmei

39 Views

I watched "Matthew the Physical Magician" in one sitting and practiced physical skills to the extrem

daizhekanzhe

21 Views

If the moon hits the earth

Jinzhengmeiyongde

8 Views