Bootstrap paradox — The bootstrap paradox is a paradox of time travel in which information or objects can exist without having been created. After information or an object is sent back in time, it is recovered in the present and becomes the very object/information… … Wikipedia
Ontological paradox — An ontological paradox is a paradox of time travel that questions the existence and creation of information and objects that travel in time. It is very closely related to the predestination paradox and usually occurs at the same time. Because of… … Wikipedia
Predestination paradox — A predestination paradox (also called causal loop, causality loop, and, less frequently, closed loop or closed time loop) is a paradox of time travel that is often used as a convention in science fiction. It exists when a time traveller is caught … Wikipedia
Novikov self-consistency principle — The Novikov self consistency principle, also known as the Novikov self consistency conjecture, is a principle developed by Russian physicist Igor Dmitriyevich Novikov in the mid 1980s to solve the problem of paradoxes in time travel, which is… … Wikipedia
Closed timelike curve — In mathematical physics, a closed timelike curve (CTC) is a worldline in a Lorentzian manifold, of a material particle in spacetime that is closed, returning to its starting point. This possibility was first raised by Kurt Gödel in 1949, who… … Wikipedia
Chronology protection conjecture — The chronology protection conjecture is a conjecture by the physicist Professor Stephen Hawking that the laws of physics are such as to prevent time travel on all but sub microscopic scales. Mathematically, the permissibility of time travel is… … Wikipedia
List of Star Trek materials — This is a list of fictional materials from the science fiction universe of Star Trek. Like other aspects of stories in the franchise, some were recurring plot elements from one episode or series to another. Contents 1 Metals for starship… … Wikipedia
Characters of Final Fantasy VIII — Final Fantasy characters Final Fantasy V … Wikipedia
Religions of the Discworld — The world depicted in Terry Pratchett s Discworld series of novels has a lively and complex religious life. The Discworld had numerous gods, all of which clearly exist rather than being socio cultural inventions. There are also multiple… … Wikipedia
Mythology of Fringe — Fringe is an American science fiction drama television show from 2008 to the present. The show, created by J. J. Abrams, Alex Kurtzman, and Roberto Orci, is based on the Fringe subdivision of the Federal Bureau of Investigation, responsible for… … Wikipedia