Get A History of Color: The Evolution of Theories of Lights and PDF

By Robert A. Crone

ISBN-10: 940070870X

ISBN-13: 9789400708709

ISBN-10: 9401539413

ISBN-13: 9789401539418

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

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

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He does not accept any of the animi sm of the Stoics. In Descartes' time, the soul was usually credited with two functions: in the first place, it was the principle of life and, in the second place, the conscious principle 53 of perception, will, thought and feeling. The crux of Descartes' physiology is that he rejects the soul as the principle of life. He adopts Galen's pneuma theory in a simplified and materialistic form. He believes in the flow of animal spirits; these come from the blood and go to the cavities of the brain.

It is probable that the two scholars came to the same conclusion at the same time but independently. This is not at all surprising: both had the same teachers: Aristotle and Alhazen. 7 shows the passage of rays in the secondary rainbow (against the background of the Aristotelian firmament). Theodoric draws four separate colored raindrops in which the refractive angles are clearly different. To our minds, Newton's theory (the connection between the refran- 34 gibility and the color of light rays) is just around the corner.

In contrast to the Platonists, Paracelsus is antimathematical. He says of Ptolemy that he made too many ca1culations, 'because ca1culations are not necessary for the greatest secret of astronomy, nor even reading and writing'. It is clear that Paracelsus in this way misses the connection with the mathematical sciences of the next century. On the other hand, the new interest in chemistry allows Democritus' corpuscular theory, which had been regarded as heretical in the Middle Ages, a new lease of life.

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


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