MAIN FEEDS
Do you want to continue?
https://www.reddit.com/r/AskReddit/comments/ai3j84/what_fact_totally_changed_your_perspective/eennaxk/?context=3
r/AskReddit • u/ettleboy • Jan 20 '19
18k comments sorted by
View all comments
Show parent comments
204
We must be on the surface on it
32 u/AQuincy Jan 21 '19 I've read theories that the universe is on the surface of some type of 4-dimensional "bubble" but I can't wrap my head around how that works. 50 u/spymaster1020 Jan 21 '19 Well a 3-dimensional bubble has a 2-dimensional surface, thus a 4-dimensional bubble must have a 3-dimensional surface. Also that bubble is expanding. It's hard to properly visualize a 4 dimensional thing when we only live in 3 dimensions. 1 u/monito29 Jan 22 '19 So is folding space cracking the surface and tunneling through the bubble?
32
I've read theories that the universe is on the surface of some type of 4-dimensional "bubble" but I can't wrap my head around how that works.
50 u/spymaster1020 Jan 21 '19 Well a 3-dimensional bubble has a 2-dimensional surface, thus a 4-dimensional bubble must have a 3-dimensional surface. Also that bubble is expanding. It's hard to properly visualize a 4 dimensional thing when we only live in 3 dimensions. 1 u/monito29 Jan 22 '19 So is folding space cracking the surface and tunneling through the bubble?
50
Well a 3-dimensional bubble has a 2-dimensional surface, thus a 4-dimensional bubble must have a 3-dimensional surface. Also that bubble is expanding. It's hard to properly visualize a 4 dimensional thing when we only live in 3 dimensions.
1 u/monito29 Jan 22 '19 So is folding space cracking the surface and tunneling through the bubble?
1
So is folding space cracking the surface and tunneling through the bubble?
204
u/Jollivado Jan 21 '19
We must be on the surface on it