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  2. Invisibility - Wikipedia

    en.wikipedia.org/wiki/Invisibility

    Invisibility. By using two parabolic cylindric mirrors and one plane mirror, the image of the background is directed around an object, making the object itself invisible - at least from two sides. Invisibility is the state of an object that cannot be seen. An object in this state is said to be invisible (literally, "not visible").

  3. Invisibility in fiction - Wikipedia

    en.wikipedia.org/wiki/Invisibility_in_fiction

    Invisibility in fiction. Invisibility in fiction is a common plot device in stories, plays, films, animated works, video games, and other media, found in both the fantasy and science fiction genres. In fantasy, invisibility is often invoked and dismissed at will by a person, with a magic spell or potion, or a cloak, ring or other object.

  4. The Invisible Man - Wikipedia

    en.wikipedia.org/wiki/The_Invisible_Man

    The Invisible Man is an 1897 science fiction novel by British writer H. G. Wells. Originally serialised in Pearson's Weekly in 1897, it was published as a novel the same year. The Invisible Man to whom the title refers is Griffin , a scientist who has devoted himself to research into optics and who invents a way to change a body's refractive ...

  5. Imaginary friend - Wikipedia

    en.wikipedia.org/wiki/Imaginary_friend

    Caliban has a conversation with his imaginary friends in Folger Theatre's production of Shakespeare's The Tempest.. Imaginary friends (also known as pretend friends, invisible friends or made-up friends) are a psychological and a social phenomenon where a friendship or other interpersonal relationship takes place in the imagination rather than physical reality.

  6. Invisible Man - Wikipedia

    en.wikipedia.org/wiki/Invisible_Man

    Invisible Man is Ralph Ellison's first novel, the only one published during his lifetime. It was published by Random House in 1952, and addresses many of the social and intellectual issues faced by African Americans in the early 20th century, including black nationalism, the relationship between black identity and Marxism, and the reformist racial policies of Booker T. Washington, as well as ...

  7. Parallel universes in fiction - Wikipedia

    en.wikipedia.org/wiki/Parallel_universes_in_fiction

    Time travel can result in multiple universes if a time traveller can change the past. In one interpretation, alternative histories as a result of time travel are not parallel universes: while multiple parallel universes can co-exist simultaneously, only one history or alternative history can exist at any one moment, as alternative history usually involves, in essence, overriding the original ...

  8. Invisible ink - Wikipedia

    en.wikipedia.org/wiki/Invisible_ink

    Invisible ink. A coded letter from Benedict Arnold, originally written in invisible ink. Handwriting by Peggy Shippen Arnold is interspersed with coded communication in Arnold's hand. Invisible ink, also known as security ink or sympathetic ink, is a substance used for writing, which is invisible either on application or soon thereafter, and ...

  9. Invisible Cities - Wikipedia

    en.wikipedia.org/wiki/Invisible_Cities

    Invisible Cities is an example of Calvino's use of combinatory literature, and shows influences of semiotics and structuralism. In the novel, the reader finds themselves playing a game with the author, wherein they must find the patterns hidden in the book.