Dark Time

Before I go into Dark Time, you should probably know a bit about Dark Matter and Dark Energy. Not that there's a lot to know, nor am I an expert on what there is. If you'd rather skip that primer section it should be fairly well delineated below.

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Dark Matter is essentially what explains how galaxies are the shape they are and the speed they turn, despite not having enough visible matter to account for either. It also keeps galaxies the shape they are – which also doesn't quite work out on paper, if I understand the reading correctly. It's theorized to be a weak interacting force – meaning outside of gravitational lensing it's not detectable.

Dark Energy is the same kind of thing, except for energy. Galaxies are said to be, not merely moving apart from each other at a constant rate, but accelerating away from each other – without any well understood cause.

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What if there's a third 'Dark' type of quasi-explained stuff, that keeps time, events, memories, and our sanity more or less on track. It would, for lack of a better description, 'remember' events as they originally played out. It would provide a 'resistance' to change – negating the butterfly effect, as well as delaying the propagation of changes if they did occur.

At the moment, it seem more like a literary device, than something required for a non-fiction universe. Depending on how much retro-causality is permitted by quantum theory, however, it may actually serve a practical purpose in that regard. It might also play a hand in shaping the way consciousness exists and how it operates.