refracting surface
91Galileo Galilei — For other uses of Galileo , see Galileo (disambiguation). For other uses of Galileo Galilei , see Galileo Galilei (disambiguation) …
92Parabolic reflector — Parallel waves coming in to a parabolic mirror are focused at a point F A parabolic reflector (or dish or mirror) is a reflective device used to collect or project energy such as light, sound, or radio waves. Its shape is that of a circular… …
93Optical coating — Optically coated mirrors and lenses. An optical coating is one or more thin layers of material deposited on an optical component such as a lens or mirror, which alters the way in which the optic reflects and transmits light. One type of optical… …
94Blue amber — is amber exhibiting a rare coloration. It most commonly is found in the amber mines in the mountain ranges around Santiago, Dominican Republic. [cite web |url=http://ambarazul.com/wordpress/2006/09/ |title=Dominican Amber Mines: The Definitive… …
95Scientific research in Canada — This article outlines the history of natural scientific research in Canada including, mathematics, physics, astronomy, space science, geology, oceanography, chemistry, biology, medical research and psychology. The social sciences are not treated… …
96mirage — The term mirage comes from the French verb se mirer, which means to reflect or to be reflected. It is unknown who introduced the term. It appears in the title of a paper by the French physicist Gaspard Monge, Comte de Péluse (17461818), who… …
97Caustic — Caus tic, Caustical Caus tic*al, a. [L. caustucs, Ge. ?, fr. ? to burn. Cf. {Calm}, {Ink}.] 1. Capable of destroying the texture of anything or eating away its substance by chemical action; burning; corrosive; searing. [1913 Webster] 2. Severe;… …
98Caustic curve — Caustic Caus tic, Caustical Caus tic*al, a. [L. caustucs, Ge. ?, fr. ? to burn. Cf. {Calm}, {Ink}.] 1. Capable of destroying the texture of anything or eating away its substance by chemical action; burning; corrosive; searing. [1913 Webster] 2.… …
99Caustic lime — Caustic Caus tic, Caustical Caus tic*al, a. [L. caustucs, Ge. ?, fr. ? to burn. Cf. {Calm}, {Ink}.] 1. Capable of destroying the texture of anything or eating away its substance by chemical action; burning; corrosive; searing. [1913 Webster] 2.… …
100Caustic potash — Caustic Caus tic, Caustical Caus tic*al, a. [L. caustucs, Ge. ?, fr. ? to burn. Cf. {Calm}, {Ink}.] 1. Capable of destroying the texture of anything or eating away its substance by chemical action; burning; corrosive; searing. [1913 Webster] 2.… …
