this post was submitted on 08 Jan 2024
16 points (94.4% liked)
Physics
1291 readers
2 users here now
founded 2 years ago
MODERATORS
you are viewing a single comment's thread
view the rest of the comments
view the rest of the comments
Can I get an ELI5, please? I understand all of those words, but not the concepts behind them in this context…
The definition of a right angle depends on the number of dimensions. Perpendicularity and parallelism are different in higher dimensions. Space is hard.
https://en.wikipedia.org/wiki/Curvature#Space
https://en.wikipedia.org/wiki/Manifold
https://en.wikipedia.org/wiki/Dimension
https://en.wikipedia.org/wiki/Curvature#Flat_space