Since the 1950s, this type of fiction has to a large extent merged with science fictional tropes involving cross-time travel between alternate histories or psychic awareness of the existence of " our " universe by the people in another ; or ordinary voyaging uptime ( into the past ) or downtime ( into the future ) that results in history splitting into two or more time-lines.

Science fiction set in what was the future but is now the past, like Arthur C. Clarke's 2001: A Space Odyssey or Nineteen Eighty-Four, are not alternate history because the author has not made the conscious choice to change the past.

" It has also been implied, especially in the ' alternate future ' story Kingdom Come, that the Clark Kent persona is symbolic of the values taught to him by his wholesome Midwestern parents, the values he holds most dear: his instinctive knowledge of right and wrong that allows him to adopt his Superman persona, without being consumed by the moral implications of his actions ; Superman is the means through which he can bring this example to the world.

Some of these languages, e. g., in worlds of fantasy fiction, alternative universes, Earth's future, or alternate history, are presented as distorted versions or dialects of modern English or other natural language, while others are independently designed conlangs.

The New York Times reviewed the play saying " Mr. Davalos has molded a daft campus comedy out of this unlikely convergence ," and nytheatres review said the playwright " has imagined a fascinating alternate reality, and quite possibly, given the fictional Hamlet a back story that will inform the role for the future.

While continuing on X-Factor, Cyclops proposes to Jean and she meets her alternate future daughter Rachel Summers ( who goes by the codename " Phoenix " as well and is also able to tap into the Phoenix Force ), but she rejects them both out of the feeling that they indicate that her life is predetermined.

In the alternate future called " Marvel 2099 ", various power struggles over the fate of Latveria end with most of the country destroyed by nanites.

In the alternate future timeline of Titans Tomorrow, in which Conner still exists, Luthor acts as a caring, fatherly figure to him.

Several post-Mariner works are homages to the older phase of Mars fiction, circumventing the scientific picture of a dry and lifeless Mars with an unbreathable atmosphere through such science fiction generic staples as positing its future terraforming, or creating alternate history versions of Mars, where Burroughs ' Barsoom, Bradbury's Martian Chronicles or The War of the Worlds are literal truth.

References to the Israeli – Palestinian conflict crop up quite frequently in Anderson's fiction, through various analogues and the conflict's past, future, and alternate permutations.

Anderson set much of his work in the past, often with the addition of magic, or in alternate or future worlds that resemble past eras.

In an alternate future episode, " Endgame ", the Doctor adopts the name Joe, and marries a human female, named Lana ( played by Amy Lindsay ).

In the series finale, an alternate future timeline is shown where he has chosen the name " Joe.

In an alternate future, Alexander becomes a diplomat instead of a warrior.

In an alternate future, Worf had been reluctant to become involved with Troi and her subsequent death led to a rift between Riker and himself as a result.

With the intervention of a future / alternate version of herself, Janeway leads her crew in using one of the Borg's transwarp conduits to return her ship to Federation space after having traveled through the Delta Quadrant for seven years.

It also renders the events of Kes ' future, including her marriage to Tom Paris as well as her daughter Linnis, into an alternate timeline that never comes to pass.

In the series finale " All Good Things ...", it is revealed that in an alternate future, Dr. Crusher and Captain Picard had been married and then divorced — still evidently having feelings for each other after so many years.

In the alternate 2390 future in Star Trek: Voyagers " Timeless ", La Forge is a captain and the commanding officer of the USS Challenger, doing his best to stop Harry Kim and Chakotay from altering the time line.

The USS Enterprise ( NCC-1701-C ) responded to the outpost's distress call and engaged the Romulan ships, but was defeated and taken with its survivors ( among them a version of Lieutenant Tasha Yar from the future of an alternate timeline ) back to Romulan territory.

In " All Good Things ...", the final episode of Star Trek: The Next Generation, the Enterprise-D was shown in an alternate future where it had not crashed during the events of Star Trek: Generations, and instead had been made Admiral William T. Riker's personal flagship.

In the " Days of Future Past " timeline, which takes place in an alternate future, the " Omega Sentinels " have advanced technologically and become the de facto rulers of the United States.

In the alternate future depicted in Marvel 2099, an alien attack floods much of the earth rendering the Savage Land the only inhabitable space.

The game was first published in 1984 during the Cold War and was intended to be an accurate depiction of a possible future, but events in the world have rendered the premise of the game an alternate history.

It can be variously seen as a sub-genre of literary fiction, science fiction, and historical fiction ; different alternate history works may use tropes from any or all of these genres.

Individuals who alternate between top / dominant and bottom / submissive roles – whether from relationship to relationship or within a given relationship – are known as switches, though the term is occasionally seen as derogatory or unnuanced and is rejected by many who might simplistically fit the definition.

In the more complex stranded approach, two or more yarns alternate repeatedly within one row and all the yarns must be carried along the row, as seen in Fair Isle sweaters.

Stills of the alternate enemies can be seen during the credits, as " Actors who were Cut from the Game ".

In the alternate timeline seen in the DS9 episode " Past Tense ," where the Federation was never formed, Alpha Centauri is a Romulan colony instead.

* English SS volunteers in the 1965 alternate history film It Happened Here are part of the Black Prince Division as seen briefly on their cuff titles at the end of the film when being massacred after surrendering.

The team's alternate logo is the foot of a Sasquatch / Bigfoot and can be seen on the shoulders of the Avalanche's home and away jerseys.

These scenes included additional screen time with Jeanie in a locker room, Ferris ' younger brother and sister ( both of whom were completely removed from the film ), and additional / alternate lines of dialogue throughout the film, all of which can be seen in the original theatrical trailer.

In English translation, he is usually referred to as Quintilian, although the alternate spellings of Quintillian and Quinctilian are occasionally seen, the latter in older texts.

The alternate spelling " Waterton " is seen in some early documents.

A short list: Fujisawa appeared in a few episodes of Tenchi in Tokyo ( as Tenchi's teacher ) and even makes a reference saying Tenchi must've gone to an alternate world when Tenchi disappeared on a school field trip, Ryoko and Tenchi are featured on a magazine cover in a later episode of The Wanderers it's believed to be episode 20 of the Wanderers when Jinnai is having flash backs of his childhood he's sitting on his bed reading and manga of Tenchi, Jinnai and Alielle make an appearance in the Tenchi spinoff series Magical Project S, while ( badly ) hidden elements from Magical Project S can be seen in the El Hazard TV series.

* A paper called BSA Today in an alternate reality where North America is still governed by the United Kingdom as the British States of America, seen in Sliders ( 1995 )

The alternate spelling " Gonorhynchiformes ", with an " h ", is frequently seen but not official.

An alternate opening and ending were both filmed and can be seen on the Lethal Weapon 4 DVD.

For example, alternate forms exist for several tests of general intelligence, and these tests are generally seen equivalent.

A subsequent encounter with an elderly version of herself ( due to an Expanse-related anomaly seen in the episode E²-an alternate universe episode ) indicated that she will live with the after effects of her Trellium-D exposure for the rest of her life.

In the alternate time line seen in E², T ' Pol marries Trip and they have a son, Lorian, who becomes the captain of the Enterprise upon the death of Captain Archer.

In the alternate reality future seen at the end of the " Shattershot " storyline ( which ran through the 1992 annuals of the X-Men-related titles ), a mysterious hooded figure appears in the background when the former slaves and the Spineless Ones finally make peace.

Among British and North American ecologists, the notion of a stable climax vegetation has been largely abandoned, and successional processes have come to be seen as much less deterministic, with important roles for historical contingency and for alternate pathways in the actual development of communities.

In one alternate timeline seen during the Xindi mission in which Enterprise becomes a generational ship unable to return to Earth, Reed dies without leaving any heirs, having been unable to find a mate.

In the trilogy, Hill Valley is seen in four different time periods ( 1885, 1955, 1985 and 2015 ) as well as in a dystopian alternate 1985.

In the alternate 1985 Marty is seen walking over the sign, which has been knocked down and an ' E ' has been spray painted over the ' I ' in HILL VALLEY making the name HELL VALLEY.

Having seen Pleasantville changed irrevocably, Jennifer chooses to stay behind in the alternate world for a while to finish her education, but David uses the remote control to return to the real world.

The DVD and Blu-ray editions of the film feature both the shooting script and a great deal of deleted, extended and alternate footage which had never been seen before.