An interstellar teleporter is a hypothetical technology appearing in science fiction, typically in hard sci-fi, which teleports people and/or other objects over interstellar distances instantaneously. In some cases the matter of the physical person or object is scanned or disassembled at the point of departure and information is transmitted so that the person or object may be reassembled at the point of arrival. In other cases (such as "Springers" in John Barnes' Thousand Culture universe), the technology involves a "spatial coordinate remapping" whereby a distant location is remapped to a location adjacent to the point of departure on the device. This assumes existence of two coordinate systems in space: one "real" and one "relative". Another version makes use of wormhole theory, creating a fold in space to shorten travel time. All such forms of teleportation are purely hypothetical.
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