Lighting a particular area, and falls within a given solid angle. The SI unit for luminance is candela per square metre (cd/m). The CGS unit of luminance is the stilb, which is equal to one candela per square centimetre or 10 kcd/m. The amount of useful light emitted from a source or the luminous flux is measured in lumen (lm). The SI unit of illuminance and luminous emittance, being the luminous power per area, is measured in Lux. It is used in photometry as a measure of the intensity, as perceived by the human eye, of light that hits or passes
The Measure of a Man: A Spiritual Autobiography The Measure of a Man: A Spiritual Autobiography The Measure of a Man: A Spiritual Autobiography is an autobiographical work by Sidney Poitier. On January 26, 2007, Oprah Winfrey chose it for her book club. In this memoir, Poitier, looks back on his celebrated life and career. He explores elements of character and personal values to take his own measure as a man, as a husband and a father, and as an actor. Poitier credits his parents and his childhood on tiny Cat Island in the Bahamas for equipping him with the unflinching sense of right and wrong and of