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  1. What’s the difference between inter-dimensional, inter-universal, and ...

    Jan 26, 2020 · The prefix inter means something belongs to or transits between more than one area. For example, international means involving multiple nations (international flights, international soccer …

  2. How could I make a portal to parallel universes as scientifically ...

    The problem I have with most fantasy disguised as sci-fi which assumes interdimensional doors, time travel, FTL, etc. is (among other issues) you need to justify why in the world such doors would be …

  3. Would an inter-dimensional being need to eat? [closed]

    Jan 27, 2022 · Their larger universe has its own space and time dimensions, relative to which they are finite and mortal, and they need to eat so-called interdimensional food. This interdimensional food …

  4. In-Between Worlds: Building a Portal Interchange the Right Way

    May 13, 2015 · These Interchanges are nebulous, interdimensional points in an effectively limitless network. Rather than allowing an infinite number of dimensional tunnels to form a hazardous web …

  5. infrastructure - How can an inter-dimensional rift between worlds ...

    Mar 26, 2021 · Making an inter-dimensional portal one-way is not hard, the hard part is making them two-way! All universes, all dimensions have an inherent energy level. And wherever it is, energy only …

  6. How would Superspeed be Explained? - Worldbuilding Stack Exchange

    Nov 27, 2021 · That it works by having interdimensional lightning flow through one's body, letting him break the laws of space and time. Trying to come at it from a less vague point of view, though, if we …

  7. Time travel from stationary position? - Worldbuilding Stack Exchange

    Mar 15, 2019 · Might add a neat plot twist if he has to relocate to retreat from the advance of urbanisation before the rock is removed for a new interdimensional bypass.

  8. science fiction - Closest possible proximity of 2 sunlike stars that ...

    Jan 30, 2026 · For reference, the closest neighbor to the sun is 4.5 light years away. Traveling that distance during a suspensful time in a story would really slow down the pacing unless there was …

  9. Science and Physics of Portals - Worldbuilding Stack Exchange

    Aug 9, 2025 · The gun would be weightless and have no recoil Portal break a lot of things in physics. Conservation of energy is the obvious one (I mean, just put 2 portals at different heights and fall …

  10. Tents in medieval fantasy? - Worldbuilding Stack Exchange

    Context: my protagonist is a single woman travelling on horseback with an all-male company, from whom she has reason to fear violence and would be strongly resistant to sharing sleeping quarters with