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1912 was a leap year starting on Monday of the Gregorian calendar and a leap year starting on Sunday of the Julian calendar, the 1912th year of the Common Era (CE) and Anno Domini (AD) designations, the 912th year of the 2nd millennium, the 12th year of the 20th century, and the 3rd year of the 1910s decade. As of the start of 1912, the ...
2000 BC: Multiplication tables in a base-60, rather than base-10 (decimal), system from Babylon. [7] 2000 BC: Primitive positional notation for numerals is seen in the Babylonian cuneiform numerals. [8] However, the lack of clarity around the notion of zero made their system highly ambiguous (e.g. 13 200 would be written the same as 132). [9]
The British Royal Navy introduces the director ship gun fire-control system using the Dreyer Table, a mechanical analogue computer. [18] The Sperry Corporation develops the first gyroscopic autopilot ("gyroscopic stabilizer apparatus") for aviation use. The earth inductor compass is first patented by Donald M. Bliss.
1912: The first commercial slot cars or more accurately model electric racing cars operating under constant power were made by Lionel (USA) and appeared in their catalogues in 1912. 1912: The first use of articulated trams by Boston Elevated Railway. 1913: The Bergius process is developed by Friedrich Bergius.
January 6 – New Mexico is admitted as the 47th U.S. state (see History of New Mexico). January 11–March 12 – 1912 Lawrence textile strike ("Bread and Roses" strike): Immigrant textile workers in Lawrence, Massachusetts, strike in response to a pay cut corresponding to a new law shortening the working week.
How Data Happened: A History from the Age of Reason to the Age of Algorithms is a 2023 non-fiction book written by Columbia University professors Chris Wiggins and Matthew L. Jones. The book explores the history of data and statistics from the end of the 18th century to the present day. [1]
A historical geographic information system (also written as historical GIS or HGIS) is a geographic information system that may display, store and analyze data of past geographies and track changes in time. It can be regarded as a tool for historical geography.
A single data analyst may have available a set of data-files with millions of records, each with dozens or hundreds of separate measurements. These were collected over time from computer activity (for example, a stock exchange) or from computerized sensors, point-of-sale registers, and so on.