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  2. Multiverse - Wikipedia

    en.wikipedia.org/wiki/Multiverse

    This is an accepted version of this page This is the latest accepted revision, reviewed on 14 December 2024. Hypothetical group of multiple universes Not to be confused with Metaverse. "Multiverses" redirects here. For the crossover fighting game, see MultiVersus. For other uses, see Multiverse (disambiguation). Part of a series on Physical cosmology Big Bang · Universe Age of the universe ...

  3. Parallel universes in fiction - Wikipedia

    en.wikipedia.org/wiki/Parallel_universes_in_fiction

    Time travel can result in multiple universes if a time traveller can change the past. In one interpretation, alternative histories as a result of time travel are not parallel universes: while multiple parallel universes can co-exist simultaneously, only one history or alternative history can exist at any one moment, as alternative history usually involves, in essence, overriding the original ...

  4. Why is there anything at all? - Wikipedia

    en.wikipedia.org/wiki/Why_is_there_anything_at_all?

    The question does not include the timing of when anything came to exist. Some have suggested the possibility of an infinite regress, where, if an entity can't come from nothing and this concept is mutually exclusive from something, there must have always been something that caused the previous effect, with this causal chain (either deterministic or probabilistic) extending infinitely back in time.

  5. Anthropic principle - Wikipedia

    en.wikipedia.org/wiki/Anthropic_principle

    A Theory of Everything will explain why the various features of the Universe must have exactly the values that have been recorded. The multiverse: Multiple universes exist, having all possible combinations of characteristics, and humans inevitably find themselves within a universe that allows us to exist.

  6. Lee Smolin - Wikipedia

    en.wikipedia.org/wiki/Lee_Smolin

    There is only one universe. There are no others, nor is there anything isomorphic to it. Smolin denies the existence of a "timeless" multiverse. Neither other universes nor copies of our universe—within or outside—exist. No copies can exist within the universe, because no subsystem can model precisely the larger system it is a part of.

  7. Games on AOL.com: Free online games, chat with others in real ...

    www.aol.com/games/play/masque-publishing/blocked-10

    Discover the best free online games at AOL.com - Play board, card, casino, puzzle and many more online games while chatting with others in real-time.

  8. Measure problem (cosmology) - Wikipedia

    en.wikipedia.org/wiki/Measure_problem_(cosmology)

    The measure problem in cosmology concerns how to compute the ratios of universes of different types within a multiverse. It typically arises in the context of eternal inflation. The problem arises because different approaches to calculating these ratios yield different results, and it is not clear which approach (if any) is correct. [1]

  9. A Universe from Nothing - Wikipedia

    en.wikipedia.org/wiki/A_Universe_from_Nothing

    A Universe from Nothing: Why There Is Something Rather than Nothing is a non-fiction book by the physicist Lawrence M. Krauss, initially published on January 10, 2012, by Free Press. It discusses modern cosmogony and its implications for the debate about the existence of God .