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  2. Archimedes - Wikipedia

    en.wikipedia.org/wiki/Archimedes

    The most widely known anecdote about Archimedes tells of how he invented a method for determining the volume of an object with an irregular shape. According to Vitruvius, a crown for a temple had been made for King Hiero II of Syracuse, who supplied the pure gold to be used. The crown was likely made in the shape of a votive wreath. [32]

  3. Ray Solomonoff - Wikipedia

    en.wikipedia.org/wiki/Ray_Solomonoff

    Ray Solomonoff (July 25, 1926 – December 7, 2009) [1] [2] was an American mathematician who invented algorithmic probability, [3] his General Theory of Inductive Inference (also known as Universal Inductive Inference), [4] and was a founder of algorithmic information theory. [5]

  4. Harry Grindell Matthews - Wikipedia

    en.wikipedia.org/wiki/Harry_Grindell_Matthews

    Harry Grindell Matthews Matthews in 1924 Born (1880-03-17) 17 March 1880 Winterbourne, Gloucestershire, England Died 11 September 1941 (1941-09-11) (aged 61) Tor Clawdd, Rhydypandy (Swansea), Wales Education Merchant Venturer's School Occupation Inventor Spouse Ganna Walska (m. 1938–1941; his death) Harry Grindell Matthews (17 March 1880 – 11 September 1941) was an English inventor who ...

  5. Timeline of mathematics - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_mathematics

    This is a timeline of pure and applied mathematics history.It is divided here into three stages, corresponding to stages in the development of mathematical notation: a "rhetorical" stage in which calculations are described purely by words, a "syncopated" stage in which quantities and common algebraic operations are beginning to be represented by symbolic abbreviations, and finally a "symbolic ...

  6. Ray - Wikipedia

    en.wikipedia.org/wiki/Ray

    Half-line (geometry) or ray, half of a line split at an initial point Directed half-line or ray, half of a directed or oriented line split at an initial point; Ray (graph theory), an infinite sequence of vertices such that each vertex appears at most once in the sequence and each two consecutive vertices in the sequence are the two endpoints of an edge in the graph

  7. Timeline of calculus and mathematical analysis - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_calculus_and...

    1593 - François Viète discovers the first infinite product in the history of mathematics, 17th century. 1606 ...

  8. Death ray - Wikipedia

    en.wikipedia.org/wiki/Death_ray

    The death ray or death beam was a theoretical particle beam or electromagnetic weapon first theorized around the 1920s and 1930s. Around that time, notable inventors such as Guglielmo Marconi , [ 1 ] Nikola Tesla , Harry Grindell Matthews , Edwin R. Scott , Erich Graichen [ 2 ] and others claimed to have invented it independently. [ 3 ]

  9. 1660 in science - Wikipedia

    en.wikipedia.org/wiki/1660_in_science

    June 30 – William Oughtred, English mathematician who invented the slide rule (born 1574) Jean-Jacques Chifflet , French physician and antiquary (born 1588 ) Walter Rumsey , Welsh judge and amateur scientist (born 1584 )