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  2. Wormhole - Wikipedia

    en.wikipedia.org/wiki/Wormhole

    An actual wormhole would be analogous to this, but with the spatial dimensions raised by one. For example, instead of circular holes on a 2-Dimensional plane, the entry and exit points could be visualized as spherical holes in 3D space leading into a four-dimensional "tube" similar to a spherinder. [citation needed]

  3. Reciprocal causation - Wikipedia

    en.wikipedia.org/wiki/Reciprocal_causation

    In these examples, the source of selection on a trait coevolves with the trait itself, therefore causation is reciprocal and developmental processes potentially become relevant to evolutionary accounts. For instance, a peacock’s tail evolves through mating preferences in peahens, and those preferences coevolve with the male trait.

  4. Ellis wormhole - Wikipedia

    en.wikipedia.org/wiki/Ellis_wormhole

    The wormhole metric has the proper-time form =, where = + = + (+) = + (+) [+ (⁡)] and is the drainhole parameter that survives after the parameter of the Ellis drainhole solution is set to 0 to stop the ether flow and thereby eliminate gravity.

  5. Non-orientable wormhole - Wikipedia

    en.wikipedia.org/wiki/Non-orientable_wormhole

    The existence of a traversable nonorientable wormhole would seem to allow the conversion of matter to antimatter, and vice versa. A universe that includes one of these "non-orientable" connections does not allow a global definition of whether a particle is "really" matter or antimatter, and this sort of universe, with no global definition of ...

  6. Wormholes in fiction - Wikipedia

    en.wikipedia.org/wiki/Wormholes_in_fiction

    In the FOX/Sci-Fi series Sliders, a method is found to create a wormhole that allows travel not between distant points but between different parallel universes; [119] [120] objects or people that travel through the wormhole begin and end in the same location geographically (e.g. if one leaves San Francisco, one will arrive in an alternate San ...

  7. Ellis drainhole - Wikipedia

    en.wikipedia.org/wiki/Ellis_drainhole

    The Ellis drainhole is the earliest-known complete mathematical model of a traversable wormhole.It is a static, spherically symmetric solution of the Einstein vacuum field equations augmented by inclusion of a scalar field minimally coupled to the geometry of space-time with coupling polarity opposite to the orthodox polarity (negative instead of positive):

  8. Category:Wormhole theory - Wikipedia

    en.wikipedia.org/wiki/Category:Wormhole_theory

    Pages in category "Wormhole theory" The following 11 pages are in this category, out of 11 total. This list may not reflect recent changes. * ... Code of Conduct;

  9. Wormhole (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Wormhole_(disambiguation)

    A wormhole is a hypothetical topological feature of spacetime. Wormhole may also refer to: Bajoran wormhole, a wormhole located near the planet Bajor in the fictional Star Trek universe; Wormholes: Essays and Occasional Writings, a book containing writings from four decades by the English author John Fowles