this post was submitted on 21 Dec 2025
744 points (99.6% liked)

Comic Strips

20707 readers
3639 users here now

Comic Strips is a community for those who love comic stories.

The rules are simple:

Web of links

founded 2 years ago
MODERATORS
744
Cusp (lemmy.world)
submitted 4 days ago* (last edited 4 days ago) by ekZepp@lemmy.world to c/comicstrips@lemmy.world
you are viewing a single comment's thread
view the rest of the comments
[–] MonkderVierte@lemmy.zip 7 points 3 days ago (2 children)

The concept of timelines (or that each decision creates a new dimension) ignores almost all of the fundamental laws of physics.

[–] SkyeStarfall@lemmy.blahaj.zone 4 points 3 days ago* (last edited 3 days ago) (2 children)

I mean, backwards time travel goes against our current understanding of physics. But multiple dimensions, or the many-worlds interpretation, etc, are not incompatible with our current understanding of physics, no, it's just presently an untestable hypothesis

[–] MonkderVierte@lemmy.zip 3 points 3 days ago* (last edited 3 days ago) (1 children)

It doesn't work with the law of conservation of energy for one. Except if you assume a framework of universes, in which anything goes but then you needn't bother with physics at all.

[–] SkyeStarfall@lemmy.blahaj.zone 10 points 3 days ago* (last edited 3 days ago)

You know what's funny? Conservation of energy isn't true on a universal scale in our universe in the first place. The expansion of our universe over time actually breaks that symmetry. This is why light can get redshifted over travelling long distances. It loses energy into.. nothing

[–] MonkderVierte@lemmy.zip 1 points 3 days ago (1 children)

It doesn't work with the law of conservation of energy for one. Except if you assume a framework of universes in which anything goes but then you needn't bother with phisycs at all.

[–] Natanael@infosec.pub 2 points 3 days ago

MWI can easily ignore conservation of energy either by only considering in-universe energy or otherwise putting all universes in the same configuration space (much like one of those matter phase graphs showing how possible states grow on one side)

This does still leave plenty of problems around stuff like branching triggers and much more, though

[–] echodot@feddit.uk 2 points 3 days ago

Woldlines are a part of physics. Look up light cones.