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单词 Alhazen
例句 Alhazen
Alhazen had shown how light travels in straight lines, so that vision depends on a cone of straight lines extending outward from the eye to the object. The Invention of Science 2015-09-17T00:00:00Z
Does the work of Alhazen, author of optical treatises, who understood the weight of air, corrected the Greek misconception or theory of vision, and determined the function of the retina, count for nothing? Islam Her Moral And Spiritual Value A Rational And Pyschological Study 2011-11-25T03:00:15.820Z
More than 800 years ago an Arabian, named Alhazen, explained why rounded or convex glasses make things appear larger when placed before the eye. Through Magic Glasses and Other Lectures A Sequel to The Fairyland of Science 2011-10-03T02:00:33.003Z
One of the oldest dissertations upon the apparent form of the sky was published by Alhazen, an Arab astronomer of the tenth century. Visual Illusions Their Causes, Characteristics and Applications 2011-06-02T02:00:25.247Z
Alhazen is just one of a multitude of scientists working in the Muslim world in centuries past who made significant contributions to the advancement of science. The Forgotten History of Muslim Scientists [Slide Show] 2011-03-02T14:15:00.230Z
Vitello’s work is to a very great extent based upon Alhazen and some of the earlier writers, and was first published in 1535. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 1 "Calhoun" to "Camoens"
This was the part of his work on which Bacon most prided himself, and in it, we may add, he seems to owe most to the Arab writers Kindi and Alhazen. Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 1 "Austria, Lower" to "Bacon"
Alhazen discovered atmospheric refraction, and showed that we see the sun and the moon after they have set. Fragments of science, V. 1-2
There is a little ring between Alhazen and Hansen, never very conspicuous in the telescope, which is plainly traceable in good photographs. The Moon A Full Description and Map of its Principal Physical Features
The course of investigation, as regards light, was resumed in 1100 by an Arabian philosopher named Alhazen. Six Lectures on Light Delivered In The United States In 1872-1873
We have seen that Ptolemy in the Alexandrian time, and Alhazen, the Arab, made studies of refraction. A History of Science — Volume 2
Alhazen made the great discovery of the curvilinear path of a ray of light through the atmosphere, and proved that we see the sun and moon before they have risen, and after they have set. History of the Conflict Between Religion and Science
The determinations of the densities- of bodies, as given by Alhazen, approach very closely to our own. Fragments of science, V. 1-2
The original investigations of Alhazen had to do largely with optics. A History of Science — Volume 2
The diagram will make the method of Alhazen clear. A History of Science — Volume 2
The magnifying power of the segment of a glass sphere had been noted by Alhazen, who had observed also that the magnification was increased by increasing the size of the segment used. A History of Science — Volume 2
That this sudden change does not occur, Alhazen explained as due to the reflection of light by the earth's atmosphere. A History of Science — Volume 2
He gives examples of what Arabian men of science accomplished, dwelling particularly on Alhazen, who was the first to correct the Platonic notion that rays of light are emitted by the eye. Fragments of science, V. 1-2
According to the calculation of Alhazen, this h, or the height of the atmosphere, represents from twenty to thirty miles. A History of Science — Volume 2
Like the measurements of Aristarchus and Eratosthenes, this calculation of Alhazen is simple enough in theory. A History of Science — Volume 2
In the field of physical science one of the most important of the Arabian scientists was Alhazen. A History of Science — Volume 2
Alhazen carried forward these studies, and was led through them to make the first recorded scientific estimate of the phenomena of twilight and of the height of the atmosphere. A History of Science — Volume 2
Alhazen must have been aware of this latter fact, since it was known to the later Alexandrian astronomers, but he takes no account of it in the present measurement. A History of Science — Volume 2
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