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The timeline of historic inventions is a chronological list of particularly significant technological inventions and their inventors, where known. [ a ] The dates in this article make frequent use of the units mya and kya , which refer to millions and thousands of years ago, respectively.
2000 BC: Pythagorean triples are first discussed in Babylon and Egypt, and appear on later manuscripts such as the Berlin Papyrus 6619. [6] 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]
The following articles cover the timeline of United States inventions: Timeline of United States inventions (before 1890), before the turn of the century;
A graphical view of the Cosmic Calendar, featuring the months of the year, days of December, and the final minute. The Cosmic Calendar is a method to visualize the chronology of the universe, scaling its current age of 13.8 billion years to a single year in order to help intuit it for pedagogical purposes in science education or popular science.
TIME Magazine has released its list of "50 Worst Inventions" and somehow FarmVille has made the list of one of the fifty! The list of fifty worst inventions is compiled of "the world's bright ...
The January 27, 2010, launch of the iPad by Apple, Inc. marked the first large-scale commercial release of a tablet computer. 2012 3D bioprinting Three dimensional (3D) bioprinting is the utilization of 3D printing –like techniques to combine cells , growth factors , and/or biomaterials to fabricate biomedical parts, often with the aim of ...
From the first Apple computer to the COVID-19 vaccine, here are the most revolutionary inventions that were born in the U.S.A. in the past half-century.
The Western Medical Tradition: 1800–2000 (2006) excerpt and text search; Loudon, Irvine, ed. Western Medicine: An Illustrated History (1997) online Archived 26 September 2017 at the Wayback Machine; McGrew, Roderick. Encyclopedia of Medical History (1985) Porter, Roy (1997).