lustful life: October 2011

Content

Luminosity is a measurement of brightness. In photometry, luminosity is sometimes incorrectly used to refer to luminance, which is the density of luminous intensity in a given direction. The luminosity function a.k.a. luminous efficiency function describes the average visual sensitivity of the human eye to light of different wavelengths.
In astronomy, luminosity is the amount of electromagnetic energy a body radiates per unit of time. The word "luminosity" may also refer to spectral luminosity, measured either in W/Hz or W/nm. The luminosity of stars is measured in two forms: apparent (visible light only) and bolometric (total radiant energy).
On the other hand, lust is an emotional force that is directly associated with the thinking or fantasizing about one's desire, usually in a sexual way.
Between "luminosity" and "lust", merging these two "points" are... Russian photographer _Luminosity_