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  2. Rainbow Code - Wikipedia

    en.wikipedia.org/wiki/Rainbow_Code

    The Rainbow Codes were a series of code names used to disguise the nature of various British military research projects. They were mainly used by the Ministry of Supply from the end of the Second World War until 1958, when the ministry was broken up and its functions distributed among the forces. The codes were replaced by an alphanumeric code ...

  3. Berlin Wall - Wikipedia

    en.wikipedia.org/wiki/Berlin_Wall

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate; Pages for logged out editors learn more

  4. Chekhov's gun - Wikipedia

    en.wikipedia.org/wiki/Chekhov's_gun

    Chekhov's gun (Chekhov's rifle; Russian: Чеховское ружьё) is a narrative principle that states that every element in a story must be necessary and irrelevant elements should be removed. For example, if a writer features a gun in a story, there must be a reason for it, such as it being fired some time later in the plot.

  5. List of U.S. state and territory abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._state_and...

    Codes: ISO: ISO 3166 codes (2-letter, 3-letter, and 3-digit codes from ISO 3166-1; 2+2-letter codes from ISO 3166-2) ANSI: 2-letter and 2-digit codes from the ANSI standard INCITS 38:2009 (supersedes FIPS 5-2) USPS: 2-letter codes used by the United States Postal Service USCG

  6. Ten-code - Wikipedia

    en.wikipedia.org/wiki/Ten-code

    California Penal Code sections were in use by the Los Angeles Police Department as early as the 1940s, and these Hundred Code numbers are still used today instead of the corresponding ten-code. Generally these are given as two sets of numbers [ citation needed ] —"One Eighty-Seven" or "Fifty-One Fifty"—with a few exceptions such as "459 ...

  7. id Software - Wikipedia

    en.wikipedia.org/wiki/Id_Software

    id Software LLC (/ ɪ d /) is an American video game developer based in Richardson, Texas.It was founded on February 1, 1991, by four members of the computer company Softdisk: programmers John Carmack and John Romero, game designer Tom Hall, and artist Adrian Carmack.

  8. History of the firearm - Wikipedia

    en.wikipedia.org/wiki/History_of_the_firearm

    Hand cannon, Ming dynasty, 1379 The first firearms were invented in China, following the invention of gunpowder.The earliest known depiction of a gunpowder weapon is the illustration of a fire lance on a mid-10th century silk banner from Dunhuang. [2]

  9. Gardening - Wikipedia

    en.wikipedia.org/wiki/Gardening

    Plant domestication is seen as the birth of agriculture. However, it is arguably proceeded by a very long history of gardening wild plants. While the 12,000 year-old date is the commonly accepted timeline describing plant domestication, there is now evidence from the Ohalo II hunter-gatherer site showing earlier signs of disturbing the soil and cultivation of pre-domesticated crop species. [8]