Intresting Silver Facts
Silvers chemical symbol from the periodic table is Ag. Its Atomic number is 47, its atomic weight is 107.8682(2). Pure silver, aka Fine Silver (.999), will melt at 1761 degrees F (961 degrees C), while sterling melts at 1434 degrees F (779 degrees C).
Over 250 million square feet of silver coated glass is used for domestic windows in the U.S. yearly and much more for
silver coated polyester sheet for retrofitting windows
The U.S. Department of Energy's Energy Star Program has spurred 50% increase in silver-coated glass in past six years, translating to 350 million square feet of glass, or five million ounces of silver per year. This coating not only rejects the hot summer sun, but also reflects internal house heat inward. A new double layer of silver on glass marketed as "low E squared" is sweeping the window market as it reflects away almost 95% of the hot rays of the sun, creating a new level of household energy savings.
A fully-equipped automobile may have 40 silver-tipped switches to start the engine, activate power steering, brakes, windows, mirrors, locks and other electrical accessories. Because Silver is the best conductor of heat of all elements it is also used in automobile rear window defoggers.
Most computer keyboards use silver membrane switches.
All major jet engine manufacturers utilize these high-performance silver bearings, which provide critical fail-safe lubrication required by the Federal Aviation Administration.
The first telegrapher tapped out his code in 1832, silver was the electrical contact that made the current flow.
The production of polyester fabrics, hydraulic fluids, engine antifreezes, and most flexible plastics, such as Mylar, is made
more efficient by the use of silver.
One out of every seven pairs of prescription eyeglasses sold in the U.S. incorporates silver. Silver halide crystals melted into glass can change the light transmission from 96% to 22% in less than 60 seconds and block at least 97% of the sun's ultraviolet rays.
Silver has been mined and prized for its beauty and durability for at least 6,000 years. In the earliest Egyptian records, Silver was considered more precious than Gold
Geologists estimate there are 17 ounces of silver on the planet for every ounce of gold. This explains why, for more than 200 years, an ounce of gold has sold for 15-20 times the price of an ounce of silver
United States coinage minted prior to 1965 contained 90% silver. A bag holding $1,000 face value of pre-1965 dimes, quarters and half-dollars contains approximately 715 ounces of silver United States Kennedy half-dollars minted from 1965 to 1969 contained 40% silver. A bag holding $1,000 face value of these
Kennedy half-dollars contains approximately 295 ounces of silver.
In fourteen languages, the words for silver and money are the same. In fact, throughout history, more people have used silver for money than have used gold.
More than 2/3 of the silver produced worldwide is a bye product of lead, copper and zinc mining.
Silver has superior bactericidal qualities. Small concentrations of silver or silver salts kill bacteria by chemically affecting the cell membranes, causing them to break down. Bacteria do not develop resistance to silver, as they do to many antibiotics.
In Fact, the expression 'born with a Silver spoon in their mouth' stems from health rather than wealth status, as children fed with Silver utensils were believed to be healthier.
As part of a growing trend in silver-based bandage usage, two wound dressing makers, Curad and Johnson & Johnson, have recently introduced products into this growing field. Beiersdorf USA, maker of Curad bandages, is marketing a line of wound-care products using silver as a natural antibacterial: Curad Silver. The new line uses silver in the wound pad to help protect minor cuts, scrapes, abrasions, lacerations and scalds. When silver nano particles come into contact with bacteria and viruses they disrupt their structure and inhibit cell growth.
Silver is also used also used in making explosives it is called Silver Fulminate.