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Silver is a chemical element; it has symbol Ag (from Latin argentum 'silver', derived from Proto-Indo-European *h₂erǵ'shiny, white' )) and atomic number 47. A soft, white, lustrous transition metal, it exhibits the highest electrical conductivity, thermal conductivity, and reflectivity of any metal. [8]
This is a partial list of awareness ribbons.The meaning behind an awareness ribbon depends on its colors and pattern. Since many advocacy groups have adopted ribbons as symbols of support or awareness, ribbons, particularly those of a single color, some colors may refer to more than one cause.
"The words "silver" and "sterling silver" describe a product that contains 92.5% pure silver. Silver products sometimes may be marked 925, which means that 925 parts per thousand are pure silver. Some jewelry described as "silver plate" has a layer of silver applied to a base metal. "Coin silver" is used for compounds that contain 90% pure silver.
The silver ratio is a Pisot–Vijayaraghavan number (PV number), as its conjugate 1 − √ 2 = −1 δS ≈ −0.41421 has absolute value less than 1. In fact it is the second smallest quadratic PV number after the golden ratio. This means the distance from δ n. S to the nearest integer is 1 δ n. S ≈ 0.41421n. Thus, the sequence of ...
Department of the Army. Department of the Air Force. Status. Currently in use. An oak leaf cluster is a ribbon device to denote preceding decorations and awards consisting of a miniature bronze or silver twig of four oak leaves with three acorns on the stem. It is authorized by the United States Armed Forces for a specific set of decorations ...
Serpent symbolism. The serpent, or snake, is one of the oldest and most widespread mythological symbols. The word is derived from Latin serpens, a crawling animal or snake. Snakes have been associated with some of the oldest rituals known to humankind [1] [2] and represent dual expression [3] of good and evil. [4]
In heraldry, argent ( / ˈɑːrdʒənt /) is the tincture of silver, and belongs to the class of light tinctures called "metals". It is very frequently depicted as white and usually considered interchangeable with it. In engravings and line drawings, regions to be tinctured argent are either left blank, or indicated with the abbreviation ar.
Silver Alert. Silver Alert is a public notification system in the United States to broadcast information about missing persons – especially senior citizens with Alzheimer's disease, dementia, or other mental disabilities – in order to aid in locating them. Silver Alerts use a wide array of media outlets – such as commercial radio stations ...