| 单词 | undulatory theory |
| 例句 | Several other important researches connected with the undulatory theory of light are embodied in his treatise on “Light” published in the Encyclopaedia metropolitana. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4 "Hero" to "Hindu Chronology" 2012-04-04T02:00:56.447Z The nature of heat had long been discussed when the world of science decided in favor of the undulatory theory of light. Joseph Smith as Scientist A Contribution to Mormon Philosophy 2012-03-12T03:00:27.817Z The undulatory theory of light, which maintains that light consists of waves transmitted through an ether, which pervades all space and all matter, owes its origin to Hooke and Huyghens. Heroes of Science: Physicists 2012-01-17T03:00:17Z The undulatory theory of light, first founded upon experimental demonstration by Thomas Young, was extended to a large class of optical phenomena, and permanently established by his brilliant discoveries and mathematical deductions. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 2 "French Literature" to "Frost, William" 2011-10-14T02:00:26.280Z The undulatory theory of energy is carrying everything before it. The Universe a Vast Electric Organism 2011-06-09T02:00:22.450Z It is sufficient, in this connection, to state that the theory of light now generally accepted, and which best explains the facts of optics, is that known as the undulatory theory. A Treatise on Physiology and Hygiene For Educational Institutions and General Readers Today, the evidences of modern science are overwhelmingly in favor of the undulatory theory of heat. Joseph Smith as Scientist A Contribution to Mormon Philosophy 2012-03-12T03:00:27.817Z As a consequence of this hypothesis, it follows that the velocity of light must be greater the denser the medium, while the undulatory theory leads to precisely the opposite result. Heroes of Science: Physicists 2012-01-17T03:00:17Z Shortly after the beginning of the 19th century the labours of these three philosophers were shaping the modern doctrine of the undulatory theory of light. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral" This emission theory of light was abandoned in favour of Huygens' undulatory theory. The Mechanism of Life Shadows.—In the infancy of the undulatory theory the objection most frequently urged against it was the difficulty of explaining the very existence of shadows. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" His total ignorance of science may perhaps excuse him for having admitted into the "Review" Brougham's intemperate article on the undulatory theory of light, a discovery which has immortalized the name of Dr. Young. Personal Recollections, from Early Life to Old Age, of Mary Somerville This result seemed to favour the undulatory theory; but the objection urged by Newton that rays of light do not bend round obstacles, like waves of sound, still held its ground. Heroes of Science: Physicists 2012-01-17T03:00:17Z He was one of the few men who championed Fresnel during the controversy which raged at the time when the undulatory theory of light was first announced. A History of the Nineteenth Century, Year by Year Volume Two (of Three) It was said that the phenomena of interference and diffraction could not be explained by the theory of emission, while the undulatory theory gave a simple explanation. The Mechanism of Life As mathematicians, you are aware that the undulatory theory of light and heat and sound are now accepted by scientific men as the only sure basis of accurate calculation. The Romance of Mathematics Being the Original Researches of a Lady Professor of Girtham College in Polemical Science, with some Account of the Social Properties of a Conic; Equations to Brain Waves; Social Forces; and the Laws of Political Motion. Hence the undulatory theory of light has met with much opposition, directed not against its failure to explain the phenomena, but against its assumption of the existence of a medium in which light is propagated. The World's Greatest Books — Volume 15 — Science It is for his contributions to the undulatory theory of light that Young will be most honourably remembered. Heroes of Science: Physicists 2012-01-17T03:00:17Z That lecture marks an epoch in physical science; for it brought forward for the first time convincing proof of the correctness of the undulatory theory of light. A History of the Nineteenth Century, Year by Year Volume Two (of Three) Some of the phenomena of radiation can be explained only by the emission theory, and others by the undulatory theory of light. The Mechanism of Life Now the question suggests itself to our mind, as to what effect the atomicity of the Aether has upon the undulatory theory of light. Aether and Gravitation When, for example, the undulatory theory was started, it was not imagined that the vibrations of light could be transverse to the direction of propagation. Fragments of science, V. 1-2 From that time the undulatory theory lost ground, until it was revived by Young and Fresnel. Heroes of Science: Physicists 2012-01-17T03:00:17Z Now, it seems to us that there is quite as much of hypothesis in this speculation of Laplace as in the undulatory theory of light. Blackwood's Edinburgh Magazine, No. CCCXXXVI. October, 1843. Vol. LIV. This excellent volume contains James Gregory, Des Cartes, Halley, Barrow, and the optical writings of Huyghens, the Principia of the undulatory theory. A Budget of Paradoxes, Volume I Hence our theory agrees with the undulatory theory in assuming the existence of a medium which is capable of becoming a receptacle of two forms of energy.” Aether and Gravitation But in modern investigation this is distinctly not the case; Darwin's theory, for example, like the undulatory theory, has been a motive power and not an anodyne. Fragments of science, V. 1-2 This study of sound laid the foundation, according to his own account, of his subsequent researches in the undulatory theory of light. Heroes of Science: Physicists 2012-01-17T03:00:17Z The undulatory theory, now generally accepted, maintains that light is carried by vibrations in ether. Practical Mechanics for Boys Young, who discovered the undulatory theory of light, could read with wonderful rapidity at the age of two, whilst at eight he had a thorough knowledge of six languages. Reincarnation A Study in Human Evolution Thus it can be seen that the elasticity of the Aether, so essential to the undulatory theory, is a problem that cannot be solved apart from recognizing the hypothesis of an atomic Aether. Aether and Gravitation The law of Brewster does not apply to matter in this condition, and it rests with the undulatory theory to explain why. Fragments of science, V. 1-2 The undulatory theory of light, now generally accepted, assumes that light is caused by the vibrations of the ether in a plane transverse to the direction of propagation. Fables of Infidelity and Facts of Faith Being an Examination of the Evidences of Infidelity It may also be remarked, that every test applied to the phenomenon of light, adds additional strength to the undulatory theory, at the expense of the Newtonian theory of emission. Outlines of a Mechanical Theory of Storms Containing the True Law of Lunar Influence Here, however, they are explained with clearness and elegance, and their bearing on the undulatory theory of light is distinctly shown. The Atlantic Monthly, Volume 14, No. 82, August, 1864 So that in relation to the elasticity and density of the Aether upon which the transmission and reflection of wave motion depend, an atomic and gravitative Aether establishes and confirms the undulatory theory. Aether and Gravitation Following Mr. Martineau's example, the opponent of the undulatory theory might effectually twit the holder of it on his change of front. Fragments of science, V. 1-2 According to the undulatory theory of light, all space is filled with a medium called ether, like air, but as much more tenuous than air as air is more tenuous than the densest metals. The Future of Astronomy Darwin's theory was an explanation of phenomena in Natural History, as the undulatory theory was of the phenomena of light. Thomas Henry Huxley A Character Sketch In the meanwhile, the gradual reception of the undulatory theory of light necessitated the assumption of the existence of an 'ether' filling all space. The Advance of Science in the Last Half-Century As the undulatory theory was able to give a satisfactory explanation of the phenomenon, the corpuscular theory was rejected, and the undulatory theory was accepted. Aether and Gravitation To him we owe the conception of the law of the conservation of energy, of the motion of the centre of gravity, and of the undulatory theory of light. History of Holland The book concludes with a detailed exposition of the undulatory theory of light according to the most ancient scientific discoveries. Reviews The undulatory theory affirms that the rings are caused by the interference of waves reflected from both surfaces. Six Lectures on Light Delivered In The United States In 1872-1873 He devoted himself, inter alia, to optical work, and is perhaps best known by those researches which deal with the undulatory theory of light. The Glories of Ireland Both attacked his theory from the standpoint of the undulatory theory of light which they upheld. The World's Greatest Books — Volume 09 — Lives and Letters The difference is a difference of opinion, as purely as if we refused to accept the undulatory theory of light; and we treat it as such. On Compromise According to the undulatory theory, ordinary light is produced by vibrations transverse or perpendicular to the direction of the ray, and distributed as to show no distinction as to any particular direction. The Gutenberg Webster's Unabridged Dictionary Section P and Q These are referred by the undulatory theory to the interference of waves which have passed directly through the film, with others which have suffered two reflections within the film, and are thus completely accounted for. Six Lectures on Light Delivered In The United States In 1872-1873 The question of whether the aether is carried along by the earth's motion has been considered from the early days of the undulatory theory of light. The Project Gutenberg Encyclopedia Volume 1 of 28 Even the hypothetical ether, held as the interplanetary medium of light in the undulatory theory, can be discarded on the Einsteinian grounds that the geometrical properties of space render the theory of ether unnecessary. Autobiography of a Yogi Ignorance also seems to have pervaded the article written by Brougham, in the second number of the Edinburgh, on Dr. Thomas Young's discovery of the true principles of interferences in the undulatory theory of light. A Publisher and His Friends Memoir and Correspondence of John Murray; with an Account of the Origin and Progress of the House, 1768-1843 The undulatory theory of light, for instance, has thus been arrived at; and the belief in the revolution of the earth on its own axis was, until lately, supported by scarcely any direct evidence. Beacon Lights of History, Volume 14 The New Era; A Supplementary Volume, by Recent Writers, as Set Forth in the Preface and Table of Contents What pitch is to the ear in acoustics, colour is to the eye in the undulatory theory of light. Six Lectures on Light Delivered In The United States In 1872-1873 This is shown by the undulatory theory of light. The Creative Process in the Individual He scaled his way out of Gath by means of a treatise on elementary trigonometry, and evaded Askelon on the wings of an undulatory theory of light. Philistia The most celebrated case of this kind is that of the corpuscular and the undulatory theories of light. Five of Maxwell's Papers The undulations of the ether and even its existence are hypothetical, yet every one now admits the undulatory theory of light. The Variation of Animals and Plants under Domestication — Volume 1 This consensus of evidence is one of the strongest points of the undulatory theory. Six Lectures on Light Delivered In The United States In 1872-1873 It is a humiliating thought that such controversies as this must mar the progress of scientific truth; but fortunately the story of the introduction of the undulatory theory has a more pleasant side. A History of Science — Volume 3 The doctrine of an intermolecular and interstellar ether is wrapped up in the well-established undulatory theory of light. The Unseen World and Other Essays It stands on as firm a foundation as Grimm's law in philology, or the undulatory theory in molecular physics. Myths and myth-makers: Old Tales and Superstitions Interpreted by Comparative Mythology This subject may be illustrated by the phenomena which first suggested the undulatory theory to the mind of Hooke. Six Lectures on Light Delivered In The United States In 1872-1873 According to the undulatory theory, the velocity of light in water and glass is less than in air. Six Lectures on Light Delivered In The United States In 1872-1873 His discovery was consummated in the early days of the nineteenth century, when he brought forward the first, conclusive proofs of the undulatory theory of light. A History of Science — Volume 3 In this simple way the undulatory theory completely accounts for the extraordinary appearance above referred to. Six Lectures on Light Delivered In The United States In 1872-1873 With splendid success he applied the undulatory theory to the explanation of the colours of thin plates, and to those of striated surfaces. Six Lectures on Light Delivered In The United States In 1872-1873 From the very outset he had recognized the affinity between sound and light; indeed, it had been this affinity that led him on to an appreciation of the undulatory theory of light. A History of Science — Volume 3 According to the undulatory theory, light is thus refracted. Six Lectures on Light Delivered In The United States In 1872-1873 Young was no older when he made his first communication to the Royal Society, and was in his twenty-seventh year when he first actively espoused the undulatory theory. A History of Science — Volume 3 The championship of Arago insured the undulatory theory a hearing before the French Institute, but by no means sufficed to bring about its general acceptance. A History of Science — Volume 3 |
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