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The Yata no Kagami represents "wisdom" or "honesty," depending on the source. [2] Its name literally means "The Eight Ata Mirror," a reference to its size. [3] [4] Mirrors in ancient Japan represented truth because they merely reflected what was shown, and were objects of mystique and reverence (being uncommon items).
The dress was a viral phenomenon, which was either seen as blue and black or as white and gold. Its true colours were eventually confirmed to be blue and black. [2] Ebbinghaus illusion: The Ebbinghaus illusion, or Titchener circles, is an optical illusion of relative size perception. The two orange circles are exactly the same size; however ...
The ocean reservoir contains an estimated 5.6x10 9 Mg of gold and oceanic gold concentration is about 4 ng Au/L with higher values in some coastal waters. [1] Au(I/III)-ions and Au(0)-colloids are unstable under surface conditions in aqueous solutions and commonly form ligand complexes with substances excreted by microorganisms. [3]
Its use in mirrors may date back more than 2000 years in China [8] although it could also be an invention of western civilizations. [9] There seem to be references to it by Pliny the Elder. [10] It was certainly in use by the European Middle Ages, giving better reflectivity than the usual bronze, and tarnishing more slowly. However, tin was ...
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Starting 800 years ago, these cultures experimented with alloying copper, gold, and silver. Nearly all examples of metalworking from this region are ornamental prestige pieces. All iron artifacts were prestige objects that were cold-worked from meteoric iron and were formed into mirrors, beads, hammers, and possibly magnetic compasses.
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Phelps made history with his debut at the 2000 Sydney Olympics, where at the age of 15 he became the youngest male U.S. swimmer to qualify for the Olympics in 68 years, There, he competed in the ...