Jonbar Hinge

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A Jonbar Hinge (also referred to as a Jon Bar Hinge or change-point[1]) is a science fiction concept derived from the Jack Williamson novel The Legion of Time. Specifically it comes from the short story John Barr, when picking up one of two objects (a magnet and a pebble) is a major turning point in history: choosing one will lead to a utopian civilization named Jonbar, while the other to the tyranny of the state of Gyronchi.

Background

Jonbar hinges often refer to small non-descript events that had an important effect on history, but because of time travel the outcome of the choice or event was changed leading to a different future or an alternate history.[2][3] It can, however, refer to any kind of change in history without having to deal with time travel, as Paul Di Filippo used the term when reviewing S. M. Stirling's In the Courts of the Crimson Kings.[4] In Michael Chabon's The Yiddish Policemen's Union the jonbar hinge was the death of the main opponent to the King-Havenner Bill, which if passed would have allowed Jewish refugees to settle in Alaska.[5] The term is also used when describing an important upcoming event or decision humanity will have to make in the future.[6]

Jonbar Hinges are often the subject of professional, journalistic, and amateur speculation.[7]

See also

References

  1. ↑ Evelyn C. Leeper and Mark R. Leeper (1993). "ConFrancisco 1993". Retrieved 7 December 2008. 
  2. ↑ "The weak things of the world shall confound the mighty". MetaFilter. March 8, 2008. Retrieved 6 December 2008. 
  3. ↑ Pauline Morgan (November 28, 2005). "Century Rain by Alastair Reynolds". SF Crowsnest. Retrieved 6 December 2008. 
  4. ↑ Paul Di Filippo (March 17, 2008). "Review:In the Courts of the Crimson Kings". Sci Fi Weekly. Archived from the original on 21 June 2008. Retrieved 6 December 2008. 
  5. ↑ John Joseph Adams (March 05, 2008). "Yiddish Inspired By Phrasebook". Sci Fi Wire. Retrieved 7 December 2008. 
  6. ↑ Clyde Lewis. "The Martian Chronicle for the 21st Century Apocalypse". Ground Zero. Retrieved 7 December 2008. 
  7. ↑ "Ripped Off From the Headlines". Washington Post. December 6, 2008. Retrieved 6 December 2008. 


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