1585 in science

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List of years in science (table)

The year 1585 in science and technology included many events, some of which are listed here.



  • John Blagrave publishes The Mathematical Jewel, showing the making and most excellent use of a singular instrument so called, in that it performeth with wonderful dexterity whatever is to be done either by quadrant, ship, circle, cylinder, ring, dial, horoscope, astrolabe, sphere, globe or any such like heretofore devised.[1]
  • Giordano Bruno uses Fabrizio Mordente "proportional eight-pointed compass" to refute Aristotle's hypothesis on the incommensurability of infinitesimals, thus confirming the existence of the "minimum" which lays the basis of his own atomic theory. Bruno publishes his proofs as Figuratio Aristotelici Physici auditus.[2]
  • Simon Stevin publishes De Thiende, introducing a form of decimal fraction.



  1. ^ Ford, David Nash (2001). "John Blagrave (c. 1561–1611)". Royal Berkshire History. Retrieved 2011-02-27. 
  2. ^ Bruno, Giordano (1585), Figuratio Aristotelici Physici auditus