prisms
41Down to Earth (groupe) — Pour les articles homonymes, voir Down to Earth. Down to Earth Pays d’origine …
42Runcitruncated 16-cell — In geometry, the runcitruncated 16 cell is a convex uniform polychoron, or 4 dimensional polytope, bounded by 80 cells: 8 small rhombicuboctahedra, 16 truncated tetrahedra, 24 cubes, and 32 hexagonal prisms.ConstructionThe runcitruncated 16 cell… …
43Dodecahedral prism — Schlegel diagram Only one dodecahedral cell shown Type Prismatic uniform polychoron Uniform index 57 Schläfli symbol {5,3}x{} …
44Montessori sensorial materials — are materials used in the Montessori classroom to help a child develop and refine his or her five senses. Use of these materials constitutes the next level of difficulty after those of practical life. Like many other materials in the Montessori… …
45Dove prism — A Dove prism is a type of reflective prism which is used to invert an image. Dove prisms are shaped from a truncated right angle prism. A beam of light entering one of the sloped faces of the prism undergoes total internal reflection from the… …
46Polarizer — For the photographic filter, see Polarizing filter (Photography). A polarizing filter cuts down the reflections (top) and made it possible to see the photographer through the glass at roughly Brewster s angle although reflections off the back… …
47Glan-Foucault prism — A Glan Foucault prism (also called a Glan air prism) is a type of prism which is used as a polarizer. It is similar in construction to a Glan Thompson prism, except that two right angled calcite prisms are spaced with an air gap instead of… …
48Runcitruncated tesseract — In geometry, the runcitruncated tesseract is a uniform polychoron (uniform 4 dimensional polytope) bounded by 80 cells: 8 truncated cubes, 16 cuboctahedra, 24 octagonal prisms, and 32 triangular prisms.ConstructionThe runcitruncated tesseract may …
49binocular — binocularity, n. binocularly, adv. /beuh nok yeuh leuhr, buy /, n. 1. Usually, binoculars. Also called pair of binoculars, prism binoculars. an optical device, providing good depth effect, for use with both eyes, consisting of two small… …
50prism — /priz euhm/, n. 1. Optics. a transparent solid body, often having triangular bases, used for dispersing light into a spectrum or for reflecting rays of light. 2. Geom. a solid having bases or ends that are parallel, congruent polygons and sides… …
