Scifi Definition and 10 Discussions

Science fiction (sometimes shortened to sci-fi or SF) is a genre of speculative fiction that typically deals with imaginative and futuristic concepts such as advanced science and technology, space exploration, time travel, parallel universes, and extraterrestrial life. It has been called the "literature of ideas", and often explores the potential consequences of scientific, social, and technological innovations.Science fiction, whose roots go back to ancient times, is related to fantasy, horror, and superhero fiction, and contains many subgenres. Its exact definition has long been disputed among authors, critics, scholars, and readers.
Science fiction literature, film, television, and other media have become popular and influential over much of the world. Besides providing entertainment, it can also criticize present-day society, and is often said to inspire a "sense of wonder".

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  1. K

    Ideas for novel I'm writing! I would love some insight on a concept!

    Summary:: Ideas for a novel I want to begin writing. Brainstorming ideas and need help with a certain concept. Any help is appreciated! Hello to you all, this is my first post, and I Google searched this astrophysics forum because I thought it might be a good place to begin asking for advice...
  2. Eumeme

    B Black Holes collisions as “Universal Space Time Position System”?

    My hypothesis: A sequence with the gravitational waves detected, sent by modulating radio waves, could be received and used by other intelligent beings to find the corresponding sequence within their records and then compare it to calculate our spacetime position in relation to theirs. As...
  3. scottdave

    Ursula K. LeGuin has passed away

    Ursula K. LeGuin, SciFi/Fantasy author, has passed away Jan. 22. I read only one of her novels: The Left Hand of Darkness, which I enjoyed. Here is her obituary. Here is an...
  4. E

    B Warp jet?

    I was looking at videos on how a warp drive theoretically could work: by compressing space in front and expanding space in the back. This reminded me of a jet engine compressing air and blasting it out of a nozzle. My question is, could you build a sort of warp jet that would compress space...
  5. Y

    Anaerobic organisms in space?

    They don't breathe. Their internal pressure greater than space. Radiation. Temperature. Micrometeorites. No picnic? Any recommended reading? Thanks.
  6. VNV

    Writing: Input Wanted Extraorbital Atmospheric Re-Entry: Terminal Velocity?

    Extra Orbital Atmospheric Re-Entry, or the Art of Leaping From Orbiting Starships onto Planets. Ignoring that my TITANs are donned in A.T.L.A.S. PCA and thereby protected by force-evaporating malarkey nodes, I want to know how they'd be in the middle of these jumps. In my book, a TITAN Super...
  7. Grarr McGrarr

    Sweet Spots in Gravity Wells for the purposes of fiction

    I'm a writer and I like to play in the science fiction sandbox but keep a firm grasp on what is possible. I recently started working on some notes for a setting in which we have begun to colonise the solar system. To the question at hand. The further you fall into a gravity well, the more you...
  8. E

    A perfect machine?

    What are the odds that humans will come up with a 100% (or extremely close to) efficient machine within the next couple centuries. If so, what principle do you think it would work on? How about a perpetual motion machine? Share your thoughts.
  9. H

    Weapon that produces the same effect as a taser?

    I was thinking of a pistol that shoots out a pellet with two needles that pierce the body to produce the same effect as a taser. Would it be possible and must there be two needles to make a circuit?
  10. TrueGormagon

    Applications of Rare Earth Elements, Island of stability elements, and Exotic matter

    Greetings, I am interested in creating a thread dedicated to the discussion of the uses of currently discovered and used and theorized/dreamed of types of matter in our universe. This includes R.E.E's (Rare Earth elements, like Neodymium or Yttrium...