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Tyrian purple (Ancient Greek: πορφύρα porphúra; Latin: purpura), also known as royal purple, imperial purple, or imperial dye, is a reddish-purple natural dye. The name Tyrian refers to Tyre, Lebanon , once Phoenicia .
Adding 4 hours to 9 o'clock gives 1 o'clock, since 13 is congruent to 1 modulo 12. In mathematics, modular arithmetic is a system of arithmetic for integers, where numbers "wrap around" when reaching a certain value, called the modulus. The modern approach to modular arithmetic was developed by Carl Friedrich Gauss in his book Disquisitiones ...
A degree of uncertainty surrounds the origin of the English word "saffron". It might stem from the 12th-century Old French term safran, which comes from the Latin word safranum, from the Arabic (زَعْفَرَان, za'farān), which comes from the Persian word zarparān (زرپران) meaning "gold strung" (implying either the golden stamens of the flower or the golden colour it creates when ...
A prominent election denier claimed the June primary results in Washoe County, Nevada, a swing area in a key battleground state, are fraudulent.
The ruins include friezes with images of cats, the claws of a reptile, and a human body with the head of a bird.The designs are preserved in “fine plaster,” which has helped scientists nail ...
The daughter of the late Nobel laureate Alice Munro has accused the author's second husband, Gerard Fremlin, of sexual abuse, writing that her mother remained with him because she “loved him too ...
In number theory, Euler's criterion is a formula for determining whether an integer is a quadratic residue modulo a prime. Precisely, Let p be an odd prime and a be an integer coprime to p. Then [1] [2] [3] Euler's criterion can be concisely reformulated using the Legendre symbol: [4] The criterion dates from a 1748 paper by Leonhard Euler.
Purple has long been associated with royalty, originally because Tyrian purple dye—made from the secretions of sea snails—was extremely expensive in antiquity. Purple was the color worn by Roman magistrates; it became the imperial color worn by the rulers of the Byzantine Empire and the Holy Roman Empire , and later by Roman Catholic bishops .