An interdimensional being or intelligence (also intra-dimensional[1] and other-dimensional[1]) is a type of theoretical or fictional entity existing in a dimension beyond our own. Such beings are common in science fiction.
Nonfiction Edit
Nonfictional theoretical implementations Edit
An Alcubierre drive is a spacetime manipulation[disambiguation needed] system. It warps the dimensions of both space and time. There is a gravity sinkhole in front of the ship pulling the ship along, and also a gravity bubble pushing the ship from behind. The space ship is not actually visible[disambiguation needed] in this diagram. This engine is only theoretical, because humans do not have the technology to create one, and physicists dispute whether it would actually operate correctly in practice.
A theoretical type of starship engine, the Alcubierre drive, emulates superluminal travel by manipulating the fabric of spacetime. This can be achieved by amassing large quantities of pure energy in a section of spacetime.[citation needed]
However, the quantity of energy required would be completely impractical. Albert Einstein's theories certainly imply that the energy could be carried around as mass, yet the exact implementation of releasing the energy using materials other than antimatter is not terribly clear.[citation needed]
Since the Alcubierre drive manipulates spacetime, it is the closest theoretical space travel engine to interdimensional travel. Because modern science on Earth does not have a real concept of multiple dimensions beyond quantum mechanics and the many worlds interpretation, bending or changing spacetime itself to achieve faster-than-light travel appears to be the real-world equivalent of jumping through dimensional doorways in fiction.[citation needed]