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The Antikythera mechanism (/ ˌ æ n t ɪ k ɪ ˈ θ ɪər ə / AN-tik-ih-THEER-ə, US also / ˌ æ n t aɪ k ɪ ˈ-/ AN-ty-kih-) [1] [2] is an Ancient Greek hand-powered orrery (model of the Solar System). It is the oldest known example of an analogue computer. [3] [4] [5] It could be used to predict astronomical positions and eclipses decades ...
Originally thought to be one of the first forms of a mechanised clock or an astrolabe, it is at times referred to as the world’s oldest known analog computer. [5] The wreck remained untouched until 1953, when French naval officer and explorer Jacques Cousteau briefly visited to relocate the site. [6]
An analog computer or analogue computer is a type of computation machine ... and historian of science Derek J. de Solla Price. [3] ... High tech from Ancient Greece", ...
The Antikythera mechanism: A clockwork, analog computer believed to have been designed and built in the Corinthian colony of Syracuse. The mechanism contained a differential gear and was capable of tracking the relative positions of all then-known heavenly bodies.
As an analog computer does not use discrete values, but rather continuous values, processes cannot be reliably repeated with exact equivalence, as they can with Turing machines. [58] The first modern analog computer was a tide-predicting machine, invented by Sir William Thomson, later Lord Kelvin, in 1872. It used a system of pulleys and wires ...
The first tide predicting machine (TPM) was built in 1872 by the Légé Engineering Company. [11] A model of it was exhibited at the British Association meeting in 1873 [12] (for computing 8 tidal components), followed in 1875-76 by a machine on a slightly larger scale (for computing 10 tidal components), was designed by Sir William Thomson (who later became Lord Kelvin). [13]
The Science of Computing: Shaping a Discipline. Taylor and Francis / CRC Press. ISBN 978-1-4822-1769-8. Kak, Subhash : Computing Science in Ancient India; Munshiram Manoharlal Publishers Pvt. Ltd (2001) The Development of Computer Science: A Sociocultural Perspective Matti Tedre's Ph.D. Thesis, University of Joensuu (2006) Ceruzzi, Paul E. (1998).
Ancient Greek technology developed during the 5th century BC, continuing up to and including the Roman period, and beyond. Inventions that are credited to the ancient Greeks include the gear, screw, rotary mills, bronze casting techniques, water clock, water organ, the torsion catapult, the use of steam to operate some experimental machines and ...