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On the other hand, some scientists, theories and popular works conceive of a multiverse in which the universes are so similar that humanity exists in many equally real separate universes but with varying histories. [95] There is a debate about whether the other worlds are real in the many-worlds interpretation (MWI) of quantum mechanics.
A parallel universe, also known as an alternative universe, parallel world, parallel dimension, alternative reality, or alternative dimension, is a hypothetical universe co-existing with one's own, typically distinct in some way. [1] The sum of all potential parallel universes that constitute reality is often called the "multiverse".
The interdimensional hypothesis is a proposal that unidentified flying object (UFO) sightings are the result of experiencing other "dimensions" that coexist separately alongside our own [1] in contrast with either the extraterrestrial hypothesis that suggests UFO sightings are caused by visitations from outside the Earth or the psychosocial hypothesis that argues UFO sightings are best ...
Parallel universes in fiction, a hypothetical self-contained plane of existence, co-existing with one's own; Alternate history, a genre of fiction in which historical events differ from reality
Multiple independent timeframes, in which time passes at different rates, have long been a feature of stories. [15] Fantasy writers such as J. R. R. Tolkien and C. S. Lewis have made use of these and other multiple time dimensions, such as those proposed by Dunne, in some of their most well-known stories. [15]
In string theory and other related theories, a brane is a physical object that generalizes the notion of a point particle to higher dimensions. For instance, a point particle can be viewed as a brane of dimension zero, while a string can be viewed as a brane of dimension one.
A reality is the collection of a universe, where a version of the planet Earth exists, and the various other dimensions associated with it, like Asgard, the Dark Dimension, or the Negative Zone. Universes, where a planet Earth exists, are infinite, and there is (generally) one version of Asgard, one version of the Dark Dimension, one version of ...
Alternate reality (or Alternative reality, UK English) often refers to parallel universes in fiction, a self-contained separate world, universe or reality coexisting with the real world, which is used as a recurring plot point or setting used in fantasy and science fiction. Alternate reality may also refer to: