How big is the real universe? What lies outside it?

Universe 24 | Could the "dark matter" that has puzzled humanity for 100 years actually be a problem

lilunkexue

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

chapingjun

15 Views

The power of science

haoyongwujingongju

47 Views

How to make a Poo-Po-Po boat for Sosuke and Ponyo?

lilunkexue

46 Views

Why do sprinkler heads keep knocking when irrigating farmland? #Science #Decompression #Irrigation #

haoqiwanhuatong

8 Views

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

haoqiwanhuatong

10 Views

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

tanmi

20 Views

Speed bump!! Amazing machinery~

jixiepangke

18 Views

How Tsunamis Are Formed (3D Principle)

Jinzhengmeiyongde

22 Views

20 common mechanical transmission structures, I'm exhausted

Jinzhengmeiyongde

86 Views

How to lay a qualified asphalt road? #Science #Unzip #Paving #Knowledge

haoqiwanhuatong

23 Views

Check out Kamen Rider Fourze 1-40's astronomy switch transformations!

lianかkuangzi

317 Views

I advise you to quit porn (enlarging testicles)

xuetudexin-

45 Views

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

Feifeijianzhang

14 Views

Electricity-Resistant King

deo9

8 Views

The Death of Superman

dongniao1

134 Views

Titan TV Man vs Titan Monitor Man xG - Titan x Titan Sound Man x Astronomy Dominator

taitantianwen_______

173 Views

Why doesn't it hurt when a needle is stuck in my finger?

yaki1

51 Views

Introduction to Tequila

yaki1

65 Views

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

Feizhoudexiaojierui

758 Views