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) seen as highlighting themes of slavery and the rights of artificial intelligence. Similar subjects were discussed in a follow-up episode, "". "The Measure of a Man" received Nielsen ratings of 11.3 percent on the first broadcast. It was received positively by the cast and crew because of the subject matter, and has been considered by critics to be the first great episode of "The Next Generation". It has also been included in lists of the best and most groundbreaking episodes of the series. An extended cut was released in 2012, with 13 additional minutes of footage. While the "Enterprise" is