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) by K.E. Goodpaster in 1978. In the essay "The 'Measure of a Man' and the Ethos of Hospitality: Towards an Ethical Dwelling with Technology" within the "AI & Society" journal in 2009, Lucas D. Introna explained that Data's main issue in this episode was that this area of ethics is dealt with purely in human terms. Thus, the argument regarding his rights as an individual must be framed within those boundaries. The episode was also analysed in a "Toledo Law Journal" article by Paul Joseph and Sharon Carton about the legal system of the Federation as portrayed in "Star Trek: