April 15, 2021
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The Place of White in the Color Spectrum White is the color of milk and fresh snow, the color produced by the combination of all the colors of the visible spectrum. [5]  As a symbol, white is the opposite of black, and often represents light in contrast with darkness. According to surveys in Europe and the United States, white is the color most often associated with innocence, perfection, the good, ...

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Almond in Flower

The Place of Almond in the Vegetal World The almond (Prunus dulcis, syn. Prunus amygdalus, Amygdalus communis, Amygdalus dulcis) is a species of tree native to the Middle East and South Asia. “Almond” is also the name of the edible and widely cultivated seed of this tree. The word “almond” comes from Old French almande or alemande, Late Latin *amandula, derived through a form amygdala from the Greek ἀμυγδαλή (amygdalē) (cf. amygdala), an almond. Other related names of ...

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The Place of Diamonds in Mineralogy In mineralogy, diamond is a metastable allotrope of carbon, where the carbon atoms are arranged in a variation of the face-centered cubic crystal structure called a diamond lattice. The name diamond is derived from the ancient Greek αδάμας(adámas), “proper”, “unalterable”, “unbreakable”, “untamed”, from ἀ- (a-), “un-” + δαμάω(damáō), “I overpower”, “I tame”.  Diamonds are thought to have been first recognized and mined in India, where significant alluvial deposits ...

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Primum Mobile

In classical, medieval, and Renaissance astronomy, the Primum Mobile (or “first moved”) was the outermost moving sphere in the geocentric model of the universe.[1] The concept was introduced by Ptolemy to account for the apparent daily motion of the heavens around the Earth, producing the east-to-west rising and setting of the sun and stars, and reached Western Europe via Avicenna.[2] The Ptolemaic system presented a view of the universe in which apparent motion was taken for real – a viewpoint still maintained in ...

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Four Holy Living Creatures

The Place of the Holy Creatures in the Heavenly Realms The living creatures, living beings, or Hayyoth (Hebrew חַיּוֹת chayot, from חַיּ chai, “live”) are a class of heavenly beings described in the prophet Ezekiel‘s vision of the heavenly chariot in the first and tenth chapters of the Book of Ezekiel. References to the creatures recur in texts of Second Temple Judaism, in rabbinical merkabah (“chariot”) literature, in the Book of Daniel, and in the Book of Revelation in the New Testament. Ezekiel’s four living creatures ...

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