Book Chapter10.1007/978-3-319-30811-1_4
Ptolemy, Claudius Ca. 87–100 to 161–180 AD
Renzo Shamey
- 01 Jan 2020
- pp 15-19
TL;DR: Claudius Ptolemy, known in Arabic as Batlamyus, was one of the most influential scientists of his time who made significant contributions to several fields including mathematics, geography, astronomy, astrology, and literature as discussed by the authors.
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Abstract: Claudius Ptolemy, known in Arabic as Batlamyus, بطلمیوس, was one of the most influential scientists of his time who made significant contributions to several fields including mathematics, geography, astronomy, astrology, and literature. His name is a mixture of the Greek Egyptian “Ptolemy” and the Roman “Claudius.” The name Claudius indicates he lived under the Roman rule in Egypt, likely with the privileges and political rights of Roman citizenship. The name would have been taken by the first in Ptolemy’s ancestry whom was granted citizenship, or himself, and if as was common, this was the Roman emperor Claudius, and it would be dated between AD 41 and 68 [1].
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References
Ptolemy's theory of visual perception : an English translation of the Optics : with introduction and commentary
nd cent Ptolemy,A. Mark Smith +1 more
Abstract: Detergent compositions, which are particularly suitable for providing hydrophobic fabrics, such as polyester, with a soil release effect for oily soils, are disclosed. These compositions contain surface-active agents, polyester soil release polymers, and a component which dissociates in aqueous solution producing quaternary ammonium cations. The process of laundering hydrophobic fibers in aqueous solutions of these compositions is also disclosed.
143
Did Ptolemy Understand the Moon Illusion
TL;DR: This paper elucidates the two Ptolemaic accounts: one in the Almagest,based on atmospheric refraction, and the other in the Optics, based on the difficulty of looking upwards, and refers to the latter passage which has been thought to refer to size-distance invariance.
28
Animadversions on the Origins of Western Science
TL;DR: The origins of science and its application to Mesopotamia, Egypt, China, India, or Greece are unknown to us as mentioned in this paper, and we are not aware of any evidence to support such a claim.
28
Ptolemy’s Doctrine of the Terms and Its Reception
Stephan Heilen
- 01 Jan 2010
TL;DR: In this article, a contribution is devoted to Ptolemy's astrological treatise which is commonly called Tetrabiblos (treatise in four books), a Greek surname to be found in various branches of the medieval manuscript tradition and used by most editors starting with the first edition by J. Camerarius (1535).
17
The Two-Quanta Explanation of the Dependence of the Threshold Values and Visual Acuity on the Visual Angle and the Time of Observation
TL;DR: It is shown, that for the simultaneous occurrence of long flashes and large visual angles, considerable deviations from the theoretical curves derived from the two-quanta hypothesis occur and it is concluded that the condition of the retina in the neighborhood of these absorptions is such as to decrease the chance of observation of a subsequent pair of absorbed quanta.