Gold needs no introduction to mankind. The shiny lustrous metal has been the muse for many generations. Evidence suggests that around 5,000 B.C., gold and copper became the first metals to be discovered by man. The lust and the luster for the metal is not dying any time soon. Here are some interesting facts about gold – Aurum .
The word “gold” comes from the Old English word “geolu,” meaning yellow.
There is more steel created per hour than there has been gold dug up throughout history.
Switzerland was the last country whose currency was tied to gold. 40% of a Swiss Franc was backed by gold until Switzerland joined the IMF in 1999.
Absolutely pure gold is so soft that it can be molded with the hands.Gold is the most malleable and ductile pure metal known to man. An ounce of gold can be beaten into a sheet covering 100 square feet. The same ounce of gold can be drawn into a wire 1250 miles long (thickness 1 micron).
A gold nugget found in the earth can be three to four times as valuable as the gold it contains because of its rareness.
Some sufferers of rheumatoid arthritis receive injections ofgold to relieve pain.
The visors of astronauts’ helmets are coated in a very thin, transparent layer of gold (.000002 inches) that reduces glare and heat from sunlight.
Gold does not dissolve in nitric acid, so if a metal reacts with nitric acid, it is certainly not gold. The ‘acid test’ became popular in the 1849 Californian gold rush, when all sorts of shady characters tried their hand at selling fake gold.
A small amount is found in almost all electronic devices, including cell phones, televisions, GPS units and more.
Gold has been used in dentistry since 700 B.C. and will probably continue to be the best option for replacing broken or missing teeth.
Gold is used to lubricate mechanical parts, conduct electricity and coat the insides of space vehicles to protect people inside from infrared radiation and heat.
We know more about the structure of atom because of the gold foil experiment conducted by Rutherford.
Much of the accessible gold on the earth’s surface is from a meteor 2 billion years ago.
Witwatersrand basin, South Africa, holds the world’s largest known gold reserves and has produced over 1.5 billion ounces (over 40,000 metric tons), which represents about 50% of all the gold ever mined on earth.
The first hydroelectric project in South India was built in 1902 to provide electricity for the Kolar gold fields.
Fascination with gold will never end and I can go on and on on the interesting facts about Gold.
References: investinganswers.com, sbcgold.com