Alhazen
Americannoun
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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.
From "The Invention of Science" by David Wootton
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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?
From Islam Her Moral And Spiritual Value A Rational And Pyschological Study by Arthur Glyn Leonard
The determinations of the densities- of bodies, as given by Alhazen, approach very closely to our own.
From Fragments of science, V. 1-2 by John Tyndall
A later edition was published, together with a translation of Alhazen, by F. Risner in 1572.
From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 1 "Calhoun" to "Camoens" by Various
Alhazen and Vitellon: two writers on optics — the first supposed to have lived about 1100, the other about 1270.
From The Canterbury Tales, and Other Poems by D. Laing Purves
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