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) in the episode. Michael Piller, who had not yet joined the crew at the time of "The Measure of a Man", later described it as one of his three favourite episodes alongside "" and "The Offspring" as "they had remarkable emotional impacts. And they genuinely explored the human condition, which this franchise does better than any other when it does it well." Spiner identified this episode as his favorite episode of "The Next Generation". In an interview, Stewart concurred that this is "the first truly great episode of the series", and added that it went to the "heart of the