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  2. Universal Product Code - Wikipedia

    en.wikipedia.org/wiki/Universal_Product_Code

    A UPC barcode. The Universal Product Code (UPC or UPC code) is a barcode symbology that is used worldwide for tracking trade items in stores.. The chosen symbology has bars (or spaces) of exactly 1, 2, 3, or 4 units wide each; each decimal digit to be encoded consists of two bars and two spaces chosen to have a total width of 7 units, in both an "even" and an "odd" parity form, which enables ...

  3. Code 128 - Wikipedia

    en.wikipedia.org/wiki/Code_128

    A Swiss postal barcode encoding "RI 476 394 652 CH" in Code 128 (B & C) Code 128 is a high-density linear barcode symbology defined in ISO/IEC 15417:2007. [1] It is used for alphanumeric or numeric-only barcodes.

  4. History of the wine press - Wikipedia

    en.wikipedia.org/wiki/History_of_the_wine_press

    This was probably due in part to the added volume of wine (anywhere from 15 to 20%) that pressing could produce versus treading. But safety could have also been a driving force since many parish records from the period reported wine cellar workers suffocating to death (from the released carbon dioxide) while treading fermenting wine grapes in a ...

  5. Headphones - Wikipedia

    en.wikipedia.org/wiki/Headphones

    One of the earliest companies to make headphones for wireless operators was the Holtzer-Cabot Company in 1909. [20] They were also makers of head receivers for telephone operators and normal telephone receivers for the home. [20] Another early manufacturer of headphones was Nathaniel Baldwin. [21]

  6. Airbus - Wikipedia

    en.wikipedia.org/wiki/Airbus

    In 2006, EADS acquired BAE Systems' remaining 20% of Airbus. [17] EADS NV was renamed Airbus Group NV and SE in 2014 and 2015, respectively. [ 18 ] [ 19 ] [ 20 ] Due to the dominance of the Airbus SAS division within Airbus Group SE, the executive committees of the parent and subsidiary companies were aligned in January 2017, but the companies ...

  7. C (programming language) - Wikipedia

    en.wikipedia.org/wiki/C_(programming_language)

    C (pronounced / ˈ s iː / – like the letter c) [6] is a general-purpose programming language.It was created in the 1970s by Dennis Ritchie and remains very widely used and influential.