Download e-book for iPad: A History of Color: The Evolution of Theories of Lights and by Robert A. Crone

By Robert A. Crone

ISBN-10: 940070870X

ISBN-13: 9789400708709

ISBN-10: 9401539413

ISBN-13: 9789401539418

This is the 1st accomplished textual content at the heritage of colour theories seeing that Halbertsma's publication of 1947. colour is mentioned in shut reference to the evolution of rules of sunshine and imaginative and prescient. The ebook has chapters at the old Greek principles of imaginative and prescient and colour; at the contributions of Arabic technological know-how; at the medical Revolution from Kepler to Newton; at the early background of the three-color speculation; at the trichromatic conception and faulty colour imaginative and prescient; and on Goethe's, Schopenhauer's and Hering's theories. New knowing of the constitution and capabilities of the retina and the mind eventually leads to the trendy technology of colour imaginative and prescient.
A background of Color has been written for ophthalmologists, optometrists and others who're drawn to visible technology and its background. The booklet calls for no really expert knowledge.

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Extra info for A History of Color: The Evolution of Theories of Lights and Color

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Alhazen takes another important step forwards and, in so doing, becomes the first practitioner of physiological optics: he states that every point in the outside world is represented in the lens, the organ of sight. With this statement optics has for the first time entered the eye and the first concept of an 'image' of the outside world in the eye has been presented. It is not easy to prove such astatement, and Alhazen finds several artifices necessary. The cornea is struck by rays coming from all directions; how can the eye distinguish which rays come from which direction?

The width of these nerve canals can vary: under the influence of stimuli they open wide to allow the passage of animal spirits from the brain cavities. 1. An important and highly original feature of Descartes' thesis is that the origin and association of ideas are connected with material occurrences in the brain. With 'ideas' Descartes had in mind sensory sensations and the passions of the soul. That is a fundamental concept which is still maintained today. 1. The reflex are aeeording to Deseartes.

7. The formation of the secondary rainbow, from Theodoric of Freibergs De iride (ca. 1300). The refraction of the sun's rays is greatest in the upper raindrop, which appears blue, and least in the lowest raindrop, which appears red (from Crombie, p. 257). means of concave mirrors on land. Witelo knew that the perfect incendiary mirror was parabolic in shape and went on to describe the actual manufacture of a parabolic mirror out of a concave piece of iron. Witelo examined the colors which emerge from a prismatic crystal and observed dispersion of rays.

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A History of Color: The Evolution of Theories of Lights and Color by Robert A. Crone

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