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In simple terms, phosphorescence is a process in which energy absorbed by a substance is released relatively slowly in the form of light. This is in some cases the mechanism used for glow-in-the-dark materials which are "charged" by exposure to light.
For Aristotle and his scholastic followers, the notion of essence is closely linked to that of definition . [4] Stoic philosopher Seneca (d. 65 AD) attributed creation of the word to Cicero (d. 43 BC), while rhetor Quintilian (d. 100 AD) claimed that the word was created much earlier, by the stoic philosopher Sergius Plautus (sec. I AD).
In Trika Shaivism, prakāśa, the uncreated light of awareness, is the essence of God, Śiva. Its function is to illuminate, to make manifest. Its function is to illuminate, to make manifest. However, Kashmir Shaivism declares that the nature of prakāśa is "self apprehension" ( vimarśa ), or, to reflect upon itself.
White light divides into seven colours, yet this plurality unites from one source. Divine light divides into the seven emotional sefirot, but there is no plurality in the Divine essence. Ohr is contrasted with ma'or "luminary" and kli, the spiritual vessel for the light. [citation needed] As a metaphor, it also has its limitations.
Effect of light from the rose window in Bari Cathedral, recurring in religious architecture to metaphorically allude to the spiritual light. [1]In theology, divine light (also called divine radiance or divine refulgence) is an aspect of divine presence perceived as light during a theophany or vision, or represented as such in allegory or metaphor.
Since its root is the German word for light (Licht), it is sometimes also translated as "lighting", and in Heidegger's work it refers to the necessity of a clearing in which anything at all can appear, the clearing in which some thing or idea can show itself, or be unconcealed. [11]
Beam of sun light inside the cavity of Rocca ill'Abissu at Fondachelli-Fantina, Sicily. The speed of light in vacuum is defined to be exactly 299 792 458 m/s (approximately 186,282 miles per second). The fixed value of the speed of light in SI units results from the fact that the metre is now defined in terms of the speed of light.
In terms of essence, God is simple as opposed to being made up of form and matter, body and soul, or mind and act. If distinctions are made between God's attributes, they are distinctions of the "modes" of God's being rather than real or essential divisions.