In optics there are two distinct orders of facts; the actual relations of light itself, and the physiological relations of our organ of vision, with all its limitations and imperfections.
Vitello publishes a treatise on optics in the sixteenth century, ii.
For long, optics failed to reach an analogous conclusion.
What sort of a science would optics have been among men who had purposely put out their own eyes?
The science of optics is here so plainly and so untechnically unfolded that many of its most mysterious phenomena are rendered intelligible at once.
Skilled in optics as he was, the reinvention was a task neither long nor difficult for him.
Another I heard advised to keep his visual organs in the interior of the boat, though, being ordinary optics and not at all of a vitreous composition, they could not be removable by volition.
Such of Leonardo's notes on Optics or on Perspective as bear exclusively on Mathematics or Physics could not be included in the arrangement of the libro di pittura which is here presented to the reader.
It is quite in accordance with his general scientific thoroughness that he should propose to write a special treatise on Optics as an introduction to Astronomy (see Nos.
Footnote: In section 13 we already find it indicated that the study of Perspective and of Optics is to be based on that of the functions of the eye.
Leonardo was evidently familiar with the law of optics on which the construction of the stereoscope depends.
According to this arrangement of the materials for the theoretical portion of the libro di pittura propositions in Perspective and in Optics stand side by side or occur alternately.
Although to Leonardo the two sciences were clearly separate, it is not so as to their names; thus we find axioms in Optics under the heading Perspective.
Moreover, they were the most luminous optics I think I have ever seen in any human being.
When I reflect upon the characters of most of my acquaintances, I sometimes think nature has formed my opticsonly to see disagreeables.
To Mrs. Douglas's more discerning eye, Mary's happiness did not appear in so dazzling a light as to the weaker optics of her aunts.
In connection with this matter, the history of physical optics contains an interesting little episode.
Without going into matters which are dealt with in every elementary text book of optics or general physics, it may be desirable to explain shortly what is meant by the terms chromatic aberration, and achromatism.
Take the telescope, and see those two thousand multiply to fifty or one hundred millions, and then recollect how very improbable it is that the keenest optics of earth can reach more than an infinitesimal part of creation.
Probably, indeed, we are allowed to catch only glimpses of their nature and operations on earth, so that we may safely anticipate an immense expansion of the electricity and optics which will form a part of the science of heaven.
Two penetrating and rather fierce optics were fixed on the trio in the cabin at that moment, while the Commander struggled to move.
Paris exhibition, and from the wide range of its specialties exhibits largely in three important branches of industry: mechanics, electricity, and the optics of lighthouses and projectors.
It travels at the same pace, it is reflected and refracted according to the same laws; every experiment known to optics can be performed with this ethereal radiation electrically produced, and yet you cannot see it.
Outstanding problems in opticsare being rapidly solved now that we have the means of definitely exciting light with a full perception of what we are doing and of the precise mode of its vibration.
Francis Maurolycus of Messana, whose mathematical works were published in 1575, was one of the great improvers of the science of optics in his time.
There is a sort of science of optics and of perspective that enables one to draw a personage, a character, a passion, an impulse of the soul, with a single stroke of the pen.
These principles of optics are, to my mind, clearly established.
The fourth, the optics of Ptolemy based on much true observation and containing an approximation to the general law.
American conversation, when the party using it seeks to intimate that the color of his optics is not a distinct pea-green!
Of course, Locke's optics expanded somewhat while he listened to this remarkable statement, but he wisely kept his own counsel.
The science of optics was so far from falling behind other branches of physics in this period, that, including the two great practical discoveries which illustrate it, no former or later generation has witnessed such an advance.
A long disquisition on optics and the nature of vision, chiefly geometrical, is entirely new.
In the consequences from the qualities of animals generally he reckons optics and music; in those from men we find ethics, poetry, rhetoric, and logic.
The most celebrated of the early writers on optics is the Alexandrian Ptolemy (2nd century).
The research-field of optics includes the investigation of the rays which we have just enumerated.
The first treatise on optics written in Europe was admitted by its author Vitello or Vitellio, a native of Poland, to be based on the works of Ptolemy and Alhazen.
Great progress has been made in the study of diffraction, and "this department of optics is precisely the one in which the wave theory has secured its greatest triumphs" (Lord Rayleigh).
The optics of moving media have also been investigated by Lord Rayleigh, and more especially by H.
This is the most familiar connotation of the term, and suffices for the discussion of optical subjects which do not require an objective definition, and, in particular, for the treatment of physiological optics and vision.
The second half of the 17th century witnessed developments in the practice and theory of optics which equal in importance the mathematical, chemical and astronomical acquisitions of the period.
In the early history of the science of light or optics a twofold division was adopted: Catoptrics (from Gr.
The mathematical theory of general optics receives historical and modern treatment in the Encyklopadie der mathematischen Wissenschaften (Leipzig).
But to the peculiar optics which abound in these United States it may be necessary to show the entire picture.
The optics of Mr. Clay have pierced the millstone with a deeper insight, and discoveries thicken faster than they can be telegraphed!
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "optics" in a variety of sentences. We hope that you will now be able to make sentences using this word.
