Someone came up with a very similar theory (two arrows of time diverging from the same point, the big bang). They even gave their theory the same name: Janus.

Someone came up with a very similar theory (two arrows of time diverging from the same point, the big bang). They even gave their theory the same name: Janus. https://januscosmologicalmodel.com/januspoint https://januscosmologicalmodel.com/januspoint There are other players concerned with similar ideas: - Negative mass, Farnes: https://en.wikipedia.org/wiki/Dark_fluid https://en.wikipedia.org/wiki/Dark_fluid - Mirror-image universe going backwards in time from the big bang, Turok: https://www.newscientist.com/article/mg25734230-100-neil-turok-on-the-case-for-a-parallel-universe-going-backwards-in-time/ https://www.newscientist.com/article/mg25734230-100-neil-tur...