Portals in fiction  From Wikipedia, the free encyclopedia Jump
to: navigation, search  A portal in science fiction and fantasy
is a magical or technological doorway that connects two distant
locations separated by spacetime. It usually consists of two or
more gateways, with an object entering one gateway leaving via
the other instantaneously.  Places that a portal will link to
include a different spot in the same universe (in which case it
might be an alternative for teleportation); a parallel world
(inter-dimensional portal); the past or the future (time
portal); and other planes of existence, such as heaven, hell or
other afterworlds. A parallel world, such as C. S. Lewis's Wood
between the Worlds in his Chronicles of Narnia, may exist solely
to contain multiple portals, perhaps to every parallel world in
existence.      Film and television[edit]  In film and
television, a portal is often portrayed using a ripple effect.
One of the earliest examples is the Guardian of Forever, in Star
Trek. The device could