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 (Star Trek: The Next Generation) The Measure of a Man (Star Trek: The Next Generation) "The Measure of a Man" is the ninth episode of the of the American science fiction television series "", the 35th episode overall. It was originally released on February 13, 1989, in broadcast syndication. It was written as a spec script by former attorney and "" novelist Melinda M. Snodgrass. It was directed by Robert Scheerer. Set in the 24th century, the series follows the adventures of the crew of the Federation starship "Enterprise". In this episode, the rights of the android officer Lt. Commander Data (Brent Spiner) are threatened