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Gnomonics (from the ancient Greek word γνώμων, pronounced [/ɡnɔ̌ː.mɔːn/], meaning 'interpreter, discerner') is the study of the design, construction and use of sundials. The foundations of gnomonics were known to the ancient Greek Anaximander (ca. 550 BCE), which augmented the science of shadows brought back from Egypt by Thales of ...
The gnomon is the triangular blade in this sundial.. A gnomon (/ ˈ n oʊ ˌ m ɒ n,-m ə n /; from Ancient Greek γνώμων (gnṓmōn) 'one that knows or examines') [1] [2] is the part of a sundial that casts a shadow.
The study of gnomonics. gnoseology: The scientific or philosophical study of knowledge. gnosiology; gnosiology: The scientific or philosophical study of knowledge. gnoseology; gnotobiology: The study of animals in a germ-free environment googology: The study of the number googol. The mathematical study of large numbers. graminology
World's oldest known sundial, from Egypt's Valley of the Kings (c. 1500 BC), used to measure work hours. [1] [2] [3]A sundial is a device that indicates time by using a light spot or shadow cast by the position of the Sun on a reference scale. [4]
Gnomonic projection of a portion of the north hemisphere centered on the geographic North Pole The gnomonic projection with Tissot's indicatrix of deformation. A gnomonic projection, also known as a central projection or rectilinear projection, is a perspective projection of a sphere, with center of projection at the sphere's center, onto any plane not passing through the center, most commonly ...
Gnomonics – science that studies sundials – the art of measuring time using sundials Gnotobiology – Organism with fully-known microorganisms Pages displaying short descriptions of redirect targets – study of life in germ-free conditions
Sunquest sundial, designed by Richard L. Schmoyer, at the Mount Cuba Observatory in Greenville, Delaware. The Sunquest Sundial is a sundial designed by Richard L. Schmoyer in the 1950s.
Although Physiognomonics is the earliest work surviving in Greek devoted to the subject, texts preserved on clay tablets provide evidence of physiognomy manuals from the First Babylonian dynasty, containing divinatory case studies of the ominous significance of various bodily dispositions.