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2 days ago · It is related to the Feast of the Exaltation of the Holy Cross, which focuses on the benefits, graces, and merits of the Cross, rather than Jesus Christ's death. Good Friday is a Christian holy day observing the crucifixion of Jesus and his death at Calvary. It is observed during Holy Week as part of the Paschal Triduum.
2 days ago · The Romani, also spelled Romany or Rromani ( / ˈroʊməni / ROH-mə-nee or / ˈrɒməni / ROM-ə-nee) and colloquially known as the Roma ( sg.: Rom ), are an ethnic group of Indo-Aryan origin [71] [72] [73] who traditionally lived a nomadic, itinerant lifestyle. Linguistic and genetic evidence suggests that the Romani originated in the Indian ...
2 days ago · Etymology Silicon Valley derives its name from the silicon used in transistors and computer chips, pioneered in the region in the 20th century. "Silicon" refers to the chemical element used in silicon-based transistors and integrated circuit chips, which is the focus of a large number of computer hardware and software innovators and manufacturers in the region.
2 days ago · A black hole is a region of spacetime where gravity is so strong that nothing, including light and other electromagnetic waves, is capable of possessing enough energy to escape it. [2] Einstein 's theory of general relativity predicts that a sufficiently compact mass can deform spacetime to form a black hole.
2 days ago · Oxygen is a chemical element; it has symbol O and atomic number 8. It is a member of the chalcogen group in the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as well as with other compounds. Oxygen is the most abundant element in Earth's crust, and after hydrogen and helium, it ...
2 days ago · Time is the continued sequence of existence and events that occurs in an apparently irreversible succession from the past, through the present, and into the future. It is a component quantity of various measurements used to sequence events, to compare the duration of events or the intervals between them, and to quantify rates of change of quantities in material reality or in the conscious ...
3 days ago · Phosphorus is an essential mineral for humans listed in the Dietary Reference Intake (DRI). Food-grade phosphoric acid (additive E338 [104]) is used to acidify foods and beverages such as various colas and jams, providing a tangy or sour taste. The phosphoric acid also serves as a preservative. [105]
