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Phos Hilaron (Koinē Greek: Φῶς Ἱλαρόν, romanized: Fōs Ilaron) is an ancient Christian hymn originally written in Koine Greek. Often referred to in the Western Church by its Latin title Lumen Hilare , it has been translated into English as O Gladsome Light .
The Phos Hilaron and the Oxyrhynchus hymn constitute the earliest extant Christian Greek hymn texts reasonably certain to have been used in Christian worship, but are neither drawn from the Bible nor modeled on Biblical passages. [10]. . . together all the eminent ones of God. . .. . . night] nor day (?) Let it/them be silent.
"Let there be light" is an English translation of the Hebrew יְהִי אוֹר (yehi 'or) found in Genesis 1:3 of the Torah, the first part of the Hebrew Bible. In Old Testament translations of the phrase, translations include the Greek phrase γενηθήτω φῶς (genēthḗtō phôs) and the Latin phrases fiat lux and lux sit.
Phosphors with faster decay times are used in applications like the pixels excited by free electrons (cathodoluminescence) in cathode-ray tube television-sets, which are slow enough to allow the formation of a picture as the electron beam scans the screen, but fast enough to prevent the frames from blurring together.
The word phosphene comes from the Greek words phos (light) and phainein (to show). Phosphenes that are induced by movement or sound may be associated with optic neuritis. [1] [2] Phosphenes can be induced by mechanical, electrical, or magnetic stimulation of the retina or visual cortex, or by random firing of cells in the visual system.
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In the philosophy of language, "Hesperus is Phosphorus" is a famous sentence in relation to the semantics of proper names. Gottlob Frege used the terms "the evening star" (der Abendstern) and "the morning star" (der Morgenstern) to illustrate his distinction between sense and reference, and subsequent philosophers changed the example to "Hesperus is Phosphorus" so that it utilized proper names.
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