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Alice and Bob: Difference between revisions
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** Game Theory books often use an adaptation of Alice and Bob in "Rose and Colin" (rows and columns on game theory charts), with "Larry", or "layer" thrown in for three person games.
*** Game Semantics books tend to use Abelard and Eloise (for resemblance to the universal and existental quantifier symbols, which are an inverted A and a backwards E). They are also the names of a medieval logician and his lover.
* Alice and Bob are the names of the parents in [[Vernor Vinge]]'s ''[[Rainbows End]]'', and a government official is named Eve Mallory.
* E. R. Emmet's "Our Factory" puzzles feature "Alf", "Bert", "Charlie", and so on.
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== [[Web Comics]] ==
*
** Eve gets her say in [http://xkcd.com/177/ "Alice and Bob"].
** Taken literally in [https://xkcd.com/2691/ "Encryption"].
* Alice is introduced in the opening chapter of ''[[Freak Angels]]''. In the epilogue, {{spoiler|she's explaining the story to a military officer named Bob.}}
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== [[Real Life]] ==
* Alice and Bob really are quantum -- a professor at the University of Washington has used two separate remote cameras, named Alice and Bob, to test the theory of non-locality and its potential for time travel, by attempting to receive a message before it's sent. The experiment hasn't yielded results so far{{when}}, but it's telling.
* In [[Linguistics]], it's more often John and Mary.
* Named tropical storms (typhoons, hurricanes, cyclones) are based on a sequential list of given names, replaced every year, with a different list for each region. The lists will be re-used at half-dozen year intervals, but with the names of historic "worst" storms periodically retired. That'd make Hurricane Andrew the first (A) tropical storm of the North Atlantic hurricane season in his respective year. Q, U, Z are not used; a particularly bad season (such as 2005 with Dennis, Katrina, Wilma) can exhaust the entire 23-name alphabetical list, after which the Greek alphabet (Hurricane Beta...) is pressed into service. The original lists used female names as meteorologists proposed the names of their sweethearts; more recent practice has alternated gender on each successive storm (so Alex, Brenda, Charles, Diana, Elmer, Francesca... or a similar pattern).
** A similar alphabetically-sequential naming series was used circa-1883 for a string of Atlantic and Pacific Railroad stops where steam trains took on water across the Mojave Desert. The first was "Amboy", now a ghost town on the former US Route 66. followed (from west to east) with Bristol, Cadiz, Danby, Essex, Fenner, Goffs, Home, Ibis, Java, and Klinefelter. Most of these points are now abandoned.
** Similar alphabetically-sequential naming patterns have been used for versions of software; Ubuntu uses names of animals this way, while the Android OS used to use names of foodstuffs (beginning after 'B' as the base, "Cupcake", "Donut", Éclair", "Froyo", "Gingerbread", "Honeycomb", "Ice Cream Sandwich", "Jelly Bean", "KitKat", "Lollipop", "Marshmallow", "Nougat", "Oreo", "Pie", ending just before this reached 'Q').
** In 2012, [[The Weather Channel]] began naming winter storms starting with "Winter Storm Athena", a nor'easter that hit the Eastern United States and Canada in early November of that year. As of this writing (Fall 2021), this remains a practice exclusive to The Weather Channel, with both the US National Weather Service and competing weather forecasters like AccuWeather rejecting outright the use of names for winter storms.
== All The Tropes ==
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[[Category:Characters As Device]]
[[Category:Metasyntactic Variable]]
[[Category:Duo Tropes]]
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