"Alhazen" Quotes from Famous Books
 ... and other matters do not allow leisure to write at length. The turpentine (oleum terebinth inum) was not the same as that experimented on by Kepler but a purer and lighter article (Sp. grav. '87). The angle of incidence is understood as defined by Alhazen and Vitellio [first published 1572]. Points out some errors in Vitellio's second table of refractions. As to the causes of refraction, Hariot believes in the theory of the vacuum; ' where we still stick in the mud '. Hopes God (Deum optimum maximum) ...
— Thomas Hariot • Henry Stevens
... refraction of light, the course of real inquiry was resumed in 1100 by an Arabian philosopher named Alhazen. Then it was taken up in succession by Roger Bacon, Vitellio, and Kepler. One of the most important occupations of science is the determination, by precise measurements, of the quantitative relations of phenomena; the value of such ...
— Six Lectures on Light - Delivered In The United States In 1872-1873 • John Tyndall |
