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Reversibility can refer to: Time reversibility , a property of some mathematical or physical processes and systems for which time-reversed dynamics are well defined Reversible diffusion , an example of a reversible stochastic process
There are two major, closely related types of reversibility that are of particular interest for this purpose: physical reversibility and logical reversibility. [ 2 ] A process is said to be physically reversible if it results in no increase in physical entropy ; it is isentropic .
A mathematical or physical process is time-reversible if the dynamics of the process remain well-defined when the sequence of time-states is reversed.. A deterministic process is time-reversible if the time-reversed process satisfies the same dynamic equations as the original process; in other words, the equations are invariant or symmetrical under a change in the sign of time.
"A science fiction story is a story built around human beings, with a human problem, and a human solution, which would not have happened at all without its scientific content." [13] Basil Davenport. 1955. "Science fiction is fiction based upon some imagined development of science, or upon the extrapolation of a tendency in society." [14] Edmund ...
Science fiction (sometimes shortened to sci-fi or abbreviated SF) is a genre of speculative fiction which typically deals with imaginative and futuristic concepts such as advanced science and technology, space exploration, time travel, parallel universes, and extraterrestrial life.
Mathematical fiction is a genre of creative fictional work in which mathematics and mathematicians play important roles. The form and the medium of the works are not important. The form and the medium of the works are not important.
Perhaps the most fully developed fictional alien language is the Klingon language of the Star Trek universe – a fully developed constructed language. [ 8 ] The problem of alien language has confronted generations of science fiction writers; some have created fictional languages for their characters to use, while others have circumvented the ...
Linguistics has an intrinsic connection to science fiction stories given the nature of the genre and its frequent use of alien settings and cultures. As mentioned in Aliens and Linguists: Language Study and Science Fiction [1] by Walter E. Meyers, science fiction is almost always concerned with the idea of communication, [2] such as communication with aliens and machines, or communication ...