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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 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.
The following articles cover the timeline of United States inventions: Timeline of United States inventions (before 1890), before the turn of the century; Timeline of United States inventions (1890–1945), before World War II; Timeline of United States inventions (1946–1991), during the Cold War
There was a huge jump in broadband internet usage globally - for example, it constituted only 6% of U.S. internet users in June 2000 [6] and one mid-decade study predicted 62% adoption by 2010. [7] Yet, by February 2007, over 80% of US Internet users were connected via broadband and broadband internet became almost a required standard for ...
The modern-day provisions of the law applied to inventions are laid out in Title 35 of the United States Code (Ch. 950, sec. 1, 66 Stat. 792). From 1836 to 2011, the United States Patent and Trademark Office (USPTO) has granted a total of 7,861,317 patents [ 7 ] relating to several well-known inventions appearing throughout the timeline below.
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 ...
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.
The historical application of biotechnology throughout time is provided below in chronological order.. These discoveries, inventions and modifications are evidence of the application of biotechnology since before the common era and describe notable events in the research, development and regulation of biotechnology.