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Theory Of Colours
''Theory of Colours'' (german: Zur Farbenlehre, links=no) is a book by Johann Wolfgang von Goethe about the poet's views on the nature of colours and how these are perceived by humans. It was published in German in 1810 and in English in 1840. The book contains detailed descriptions of phenomena such as coloured shadows, refraction, and chromatic aberration. The work originated in Goethe's occupation with painting and mainly exerted an influence on the arts (Philipp Otto Runge, J. M. W. Turner, the Pre-Raphaelites, Hilma af Klint, Wassily Kandinsky). The book is a successor to two short essays entitled "Contributions to Optics". Although Goethe's work was rejected by some physicists, a number of philosophers and physicists have concerned themselves with it, including Thomas Johann Seebeck, Arthur Schopenhauer (see: '' On Vision and Colors''), Hermann von Helmholtz, Ludwig Wittgenstein, Werner Heisenberg, Kurt Gödel, and Mitchell Feigenbaum. Goethe's book ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Charles Lock Eastlake
Sir Charles Lock Eastlake (17 November 1793 – 24 December 1865) was a British painter, gallery director, collector and writer of the 19th century. After a period as keeper, he was the first director of the National Gallery. Life Eastlake was born in Plymouth, Devon, the fourth son of an Admiralty lawyer. He was educated at local grammar schools in Plymouth and, briefly, at Charterhouse (then still in London). He was committed to becoming a painter, and in 1809 he became the first pupil of Benjamin Haydon and a student at the Royal Academy schools in London—where he later exhibited. However, his first exhibited work was shown at the British Institution in 1815, a year in which he also visited Paris and studied works in the Louvre (then known as the Musée Napoléon). His first notable success was a painting ''Napoleon on Board the Bellerophon in Plymouth Sound'' (1815; National Maritime Museum, London). Like many other people at the time, Eastlake had hired a boat to ta ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Werner Heisenberg
Werner Karl Heisenberg () (5 December 1901 – 1 February 1976) was a German theoretical physicist and one of the main pioneers of the theory of quantum mechanics. He published his work in 1925 in a breakthrough paper. In the subsequent series of papers with Max Born and Pascual Jordan, during the same year, his matrix formulation of quantum mechanics was substantially elaborated. He is known for the uncertainty principle, which he published in 1927. Heisenberg was awarded the 1932 Nobel Prize in Physics "for the creation of quantum mechanics". Heisenberg also made contributions to the theories of the hydrodynamics of turbulent flows, the atomic nucleus, ferromagnetism, cosmic rays, and subatomic particles. He was a principal scientist in the German nuclear weapons program during World War II. He was also instrumental in planning the first West German nuclear reactor at Karlsruhe, together with a research reactor in Munich, in 1957. Following World War II, he was appointed ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Goethe-Gesellschaft
The (Goethe Society), not to be confused with the Goethe-Institut, is a literary and scientific organisation to explore the literary work of the German poet and writer Johann Wolfgang von Goethe. It was founded in Weimar, where he lived, in 1885 by Charles Alexander, Grand Duke of Saxe-Weimar-Eisenach. It aims at "deeper understanding of Goethe's work and its relevance to the modern world and dedicated research". It publishes a periodical publication, the ' (Yearbook), first published in 1880 by Ludwig Geiger. The highest award is the Goethe Medal in Gold. The Goethe Society has approximately 3500 members from 55 countries, approximately 8000 members are organised in 57 local associations. The Goethe Society of North America was founded in 1979. Members are interested amateurs, as well as scientists and institutions. Besides the Goethe Society in Weimar, many other groups are established both at home and abroad. Every two years, a meeting is organised in Weimar for lectures and di ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Castel L'Optique Des Couleurs 1740
Castel may refer to the following places: in France Castel is the Occitan word for the Latin ''Castrum'' (small caserna military castrum) and occurs very often in southern France toponyms especially mixed with the adjective ''nau'' (which means ''new'' written ''nòu'' in Occitan). * , a village and former commune in Picardy, since 1965 part of Moreuil *Belcastel (other), ''Great Castle'' *Castelnaudary, ''Newcastle of Arry'' * Castelnau-le-Lez, ''Newcastle upon Lez'' * Castelsagrat, ''Holy castle'' *Castelsarrasin, ''Sarracen castle'' in Italy Castel, a short form of castello (''castle''), is a very common component in Italian place names: *Castel Baronia, in the province of Avellino * Castel Boglione, in the province of Asti *Castel Bolognese, in the province of Ravenna *Castel Campagnano, in the province of Caserta * Castel Castagna, in the province of Teramo *Castel Colonna, in the province of Ancona *Castel Condino, in the province of Trento * Castel d'Aiano, in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Prism (optics)
An optical prism is a transparent optics, optical element with flat, polished surfaces that are designed to refraction, refract light. At least one surface must be angled — elements with two parallel surfaces are ''not'' prisms. The most familiar type of optical prism is the triangular prism, which has a triangular base and rectangular sides. Not all optical prisms are prism (geometry), geometric prisms, and not all geometric prisms would count as an optical prism. Prisms can be made from any material that is transparent to the wavelengths for which they are designed. Typical materials include glass, acrylic glass, acrylic and fluorite#Optics, fluorite. A dispersive prism can be used to break white#White light, white light up into its constituent spectral colors (the colors of the rainbow) as described in the following section. Other types of prisms noted below can be used to reflection (physics), reflect light, or to split light into components with different polarization (w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Light
Light or visible light is electromagnetic radiation that can be perceived by the human eye. Visible light is usually defined as having wavelengths in the range of 400–700 nanometres (nm), corresponding to frequencies of 750–420 terahertz, between the infrared (with longer wavelengths) and the ultraviolet (with shorter wavelengths). In physics, the term "light" may refer more broadly to electromagnetic radiation of any wavelength, whether visible or not. In this sense, gamma rays, X-rays, microwaves and radio waves are also light. The primary properties of light are intensity, propagation direction, frequency or wavelength spectrum and polarization. Its speed in a vacuum, 299 792 458 metres a second (m/s), is one of the fundamental constants of nature. Like all types of electromagnetic radiation, visible light propagates by massless elementary particles called photons that represents the quanta of electromagnetic field, and can be analyzed as both waves and par ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Opticks
''Opticks: or, A Treatise of the Reflexions, Refractions, Inflexions and Colours of Light'' is a book by English natural philosopher Isaac Newton that was published in English in 1704 (a scholarly Latin translation appeared in 1706). (''Opticks'' was originally published in 1704). The book analyzes the fundamental nature of light by means of the refraction of light with prisms and lenses, the diffraction of light by closely spaced sheets of glass, and the behaviour of color mixtures with spectral lights or pigment powders. ''Opticks'' was Newton's second major book on physical science and it is considered one of the three major works on optics during the Scientific Revolution (alongside Kepler's ''Astronomiae Pars Optica'' and Huygens' ''Traité de la Lumière''). Newton's name did not appear on the title page of the first edition of ''Opticks''. Overview The publication of ''Opticks'' represented a major contribution to science, different from but in some ways rivalling the ' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Remarks On Colour
''Remarks on Colour'' (german: Bemerkungen über die Farben) was one of Ludwig Wittgenstein's last works, written in Oxford in 1950, the year before he died. Overview Believing that philosophical puzzles about colour can only be resolved through attention to the language games involved, Wittgenstein considers Goethe's propositions in the ''Theory of Colours (book), Theory of Colours'', and the observations of Philipp Otto Runge in an attempt to clarify the use of language about colour. He also considers numerous examples of what we find ourselves unable not to agree to and to say about colours, for example that green is not a blend of blue and yellow. Here there seems to be an element of phenomenology involved in some way. However, :Goethe's theory of the constitution of colours of the spectrum has not proved to be an unsatisfactory theory, rather it really isn't a theory at all. Nothing can be predicted with it. It is, rather a vague schematic outline of the sort we find in Willi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wittgenstein
Ludwig Josef Johann Wittgenstein ( ; ; 26 April 1889 – 29 April 1951) was an Austrians, Austrian-British people, British philosopher who worked primarily in logic, the philosophy of mathematics, the philosophy of mind, and the philosophy of language. He is considered by some to be the greatest philosopher of the 20th century. From 1929 to 1947, Wittgenstein taught at the University of Cambridge. In spite of his position, during his entire life only one book of #Legacy, his philosophy was published, the 75-page ''Logisch-Philosophische Abhandlung'' (''Logical-Philosophical Treatise'', 1921), which appeared, together with an English translation, in 1922 under the Latin title ''Tractatus Logico-Philosophicus''. His only other published works were an article, "Some Remarks on Logical Form" (1929); a book review; and a children's dictionary. #Works, His voluminous manuscripts were edited and published posthumously. The first and best-known of this posthumous series is the 1953 b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Optical Spectrum
The visible spectrum is the portion of the electromagnetic spectrum that is visible to the human eye. Electromagnetic radiation in this range of wavelengths is called ''visible light'' or simply light. A typical human eye will respond to wavelengths from about 380 to about 750 nanometers. In terms of frequency, this corresponds to a band in the vicinity of 400–790 terahertz. These boundaries are not sharply defined and may vary per individual. Under optimal conditions these limits of human perception can extend to 310 nm (ultraviolet) and 1100 nm (near infrared). The optical spectrum is sometimes considered to be the same as the visible spectrum, but some authors define the term more broadly, to include the ultraviolet and infrared parts of the electromagnetic spectrum as well. The spectrum does not contain all the colors that the human visual system can distinguish. '' Unsaturated colors'' such as pink, or purple variations like magenta, for example, are absen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Physics Today
''Physics Today'' is the membership magazine of the American Institute of Physics. First published in May 1948, it is issued on a monthly schedule, and is provided to the members of ten physics societies, including the American Physical Society. It is also available to non-members as a paid annual subscription. The magazine informs readers about important developments in overview articles written by experts, shorter review articles written internally by staff, and also discusses issues and events of importance to the science community in politics, education, and other fields. The magazine provides a historical resource of events associated with physics. For example it discussed debunking the physics of the Star Wars program of the 1980s, and the state of physics in China and the Soviet Union during the 1950s and 1970s. According to the ''Journal Citation Reports'', the journal has a 2017 impact factor The impact factor (IF) or journal impact factor (JIF) of an academic journa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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