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71Phase contrast microscopy — Phase contrast image of a cheek epithelial cell Phase contrast microscopy is an optical microscopy illumination technique of great importance to biologists in which small (invisible to the human eye) phase shifts in the light passing through a… …
72theatre — /thee euh teuhr, theeeu /, n. theater. * * * I Building or space in which performances are given before an audience. It contains an auditorium and stage. In ancient Greece, where Western theatre began (5th century BC), theatres were constructed… …
73industrial 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… …
74Descartes: metaphysics and the philosophy of mind — John Cottingham THE CARTESIAN PROJECT Descartes is rightly regarded as one of the inaugurators of the modern age, and there is no doubt that his thought profoundly altered the course of Western philosophy. In no area has this influence been more… …
75Neutrino — For other uses, see Neutrino (disambiguation). Neutrino/Antineutrino The first use of a hydrogen bubble chamber to detect neutrinos, on November 13, 1970. A neutrino hit a proton in a hydrogen atom. The collision occurred at the point where three …
76Marc Chagall — In Paris, 1921 Birth name Moishe Shagal Born 6 July 1887 (NS) Liozna, near Vite …
77List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have …
78List of Lucky Star albums — This article lists the albums attributed to the series Lucky Star. Contents 1 Video game soundtracks 1.1 Lucky Star Vocal Mini Album 1.2 Shin Lucky Star Moe Drill Tabidachi Hatsubai Enki Tsuika Tokuten Gome …
79radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …
80UNITED STATES OF AMERICA — UNITED STATES OF AMERICA, country in N. America. This article is arranged according to the following outline: introduction Colonial Era, 1654–1776 Early National Period, 1776–1820 German Jewish Period, 1820–1880 East European Jewish Period,… …
