prisms
91Refractive index — Refraction of light at the interface between two media. In optics the refractive index or index of refraction of a substance or medium is a measure of the speed of light in that medium. It is expressed as a ratio of the speed of light in vacuum… …
92Tourmaline — Schorl Tourmaline General Category Cyclosilicate Chemical formula (Ca,K,Na,[ …
93Telecine — For a television network in Brazil, see Rede Telecine. Telecine (  /ˈtɛl …
94Dispersion (optics) — This article is about dispersion of waves in optics. For other forms of dispersion, see Dispersion (disambiguation). In a prism, material dispersion (a wavelength dependent refractive index) causes different colors to refract at different angles …
95Stereoscopy — Stereoscopy, stereoscopic imaging or 3 D (three dimensional) imaging is any technique capable of recording three dimensional visual information or creating the illusion of depth in an image. The illusion of depth in a photograph, movie, or other… …
96Monocular — For other uses, see Monocular (disambiguation). Galilean type Soviet made miniature 2.5 × 17.5 monocular …
97Tooth enamel — Labeled molar Latin enamelum Code TA …
98Isaac Newton's early life and achievements — IsaacNewtonSegmentsThe following article is part of an in depth biography of Sir Isaac Newton, the English mathematician and scientist, author of the Principia .ChildhoodSir Isaac Newton was born on December 25, 1642 [ OS: 25 December 1642] in… …
99Monochromator — in a x ray beamline at the Advanced Photon Source, Argonne National Laboratory. A monochromator is an optical device that transmits a mechanically selectable narrow band of wavelengths of light or other radiation chosen from a wider range of… …
100Porro prism — In optics, a Porro prism, named for its inventor Ignazio Porro, is a type of reflection prism used in optical instruments to alter the orientation of an image.It consists of a block of glass shaped as a right geometric prism with right angled… …
