And if you've seen Arrival, you're probably like "oh but it is about time travel" but actually no, it's not really
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Replying to @BootlegGirl
I am going to explain what I think, based on reading the Wikipedia of the short story it was based on, was going on and correct me >
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Replying to @BootlegGirl
if I'm wrong about physics please. But I *think* this is the whole thing I didn't get when I was trying to grasp relativity.
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Replying to @BootlegGirl
So, in the film the aliens experience time nonlinearly, and the story forms a closed time loop, which y'all might recall from Homestuck
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Replying to @BootlegGirl
Homestuck ALSO did the thing that Arrival did, and that Dr. Chilton alludes to in Hannibal: that we live in the only possible universe
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Replying to @BootlegGirl
Homestuck DOES have alternate timelines but they're "doomed," there's only one true timeline. And that appears to actually be true!
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Replying to @BootlegGirl
So, IF I understand this shit, the "objective" universe is a light particle within its light cone.
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Replying to @BootlegGirl
Somehow, the aliens in Arrival and the protagonist by the end effectively have the perspective of a partical of light
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Replying to @BootlegGirl
For the particle, time is illusory because of Fermat's principal which states that light particles will always follow the quickest path >
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Replying to @BootlegGirl
> that they can in a medium. The quantum many worlds theory arises from hypothesizing that Fermat's principle may not always be true?
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Or that it isn't true on the level of very very small things (quantum tunneling) but ends up averaging out to being true on the big scale
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