refraction tower

См. также в других словарях:

• Tower telescope — A Tower telescope is a telescope with a large refraction length at which the tube is installed inside a tower. Tower telescopes are mainly used for examinations of the sun.Examples* Solar Observatory Tower Meudon * Richard B. Dunn Solar Telescope …   Wikipedia

• Horizon — For other uses, see Horizon (disambiguation). A water horizon, in northern Wisconsin, U.S. The horizon (or skyline) is the apparent line that separates earth from sky, the line that divides all visible directions into two categories: those that… …   Wikipedia

• industrial glass — Introduction       solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… …   Universalium

• Science in medieval Islam — In the history of science, Islamic science refers to the science developed under the Islamic civilization between the 8th and 16th centuries, during what is known as the Islamic Golden Age. [cite journal|first=A. I.|last=Sabra|authorlink=A. I.… …   Wikipedia

• Optical fiber — A bundle of optical fibers A TOSLINK fiber optic audio c …   Wikipedia

• Taqi al-Din — Muhammad ibn Ma ruf al Shami al Asadi (Arabic: تقي الدين محمد بن معروف الشامي السعدي, Turkish: Takiyuddin) (1526 ndash;1585) was a major Ottoman Turkish [cite journal last = Douglas | first = A. V. year =1963 title = Tenth International Congress… …   Wikipedia

• electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… …   Universalium

• telescope — /tel euh skohp /, n., adj., v., telescoped, telescoping. n. 1. an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens… …   Universalium

• Newton, Sir Isaac — born Jan. 4, 1643, Woolsthorpe, Lincolnshire, Eng. died March 31, 1727, London English physicist and mathematician. The son of a yeoman, he was raised by his grandmother. He was educated at Cambridge University (1661–65), where he discovered the… …   Universalium

• Crown Fountain — spouting water on visitors Artist Jaume Plensa …   Wikipedia

• Harriot, Thomas — ▪ English mathematician and astronomer also spelled  Hariot  born 1560, Oxford, Eng. died July 2, 1621, London       mathematician, astronomer, and investigator of the natural world.       Little is known of him before he received his bachelor s… …   Universalium