Time loop
Plot device in science fiction / From Wikipedia, the free encyclopedia
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This article is about the fictional plot device. For the philosophical and physical concept, see Causal loop.
The time loop or temporal loop is a plot device in fiction whereby characters re-experience a span of time which is repeated, sometimes more than once, with some hope of breaking out of the cycle of repetition.[1] Time loops are constantly resetting; when a certain condition is met, such as a death of a character or a certain point in time, the loop starts again, possibly with one or more characters retaining the memories from the previous loop.[2]
The term "time loop" is also sometimes used to refer to a sequence of events involving travel back in time, in which the chain of causality is circular.[1]