Interesting little things about gold

The golden rains pouring into the globe during 200 million years helped cover the earth's surface with a huge amount of precious metals.

Gold is a transition metal that is soft, flexible, easily laminated and does not react with most chemicals. It is one of the precious metals in the world, behind its sparkling beauty is many interesting things not everyone knows.

Nearly all of the gold on the earth comes from space.Golden rains pouring into the Earth 4 billion years ago help the earth have many precious metals.Golden rain lasts for 200 million years because meteorites collide with the surface of the globe.Discovery experts estimate that gold on the globe could cover the entire land surface of the earth at depths from 50cm to 3.6m.

75% of the gold that people possess is exploited from 1910 back here.During the previous millennia, people only found 25% of the total gold available.Mankind began to discover gold and used it since 5000 BC.

The current amount of gold is just like the floating part of the iceberg.Scientists estimate that 80% of the world's gold has not yet been found.However, gold is likely to lie very deep underground so humans cannot exploit them in the near future.

The amount of steel people exploit in an hour is equivalent to the amount of gold that all humans dig through throughout history.The total amount of human gold available is only enough to fill 3 swimming pools according to the Olympic standard size.

During the Middle Ages in Europe, people often used gold to cure illnesses.People spread small gold with emeralds to drink because they believed it could cure the plague.They are completely useless but even in this case of useful mix, very few people have enough financial resources to use it.

With an ounce of gold, one can strip it into an 80km long string.Because gold is a perfect conductor, it is used in many industrial applications.In the past, people also used thin gold to embroider in luxurious carpets or sew for Chinese emperors.

In the past, people used real gold to create gold medals for champion athletes.However, since 1912, the Olympic Committee has stopped using 24K gold as a medal.Today's gold medal is only about 6 g gold.

In addition to being an accessory or adornment of costumes, gold is also present in the astronauts' glasses and hoods.It is useful in reflecting infrared rays from the sun, making astronauts' hats free of heat.

India is the world's largest gold user.In this country, people regard gold as a symbol of wealth and status.It also plays an important role in worship rituals or fashion items.Indian gold has a purity of 22K.

In the sixteenth century in Ecuador, the Jivoro tribe executed prisoners by pouring hot gold into his throat.The Romans also used this method to execute prisoners.

South Africa has the largest gold reserves in the world.In the past 130 years, an average of 40% of the world's gold has been exploited in this country.

The largest gold ore in the world ever found "Welcome Stranger" , found in Victoria, Australia in 1869, weighs 71kg including 65kg of pure gold.

The first gold coin used by people living in Lydia (part of Turkey) was about 560 years BC.Legend has it that gold came from the river Pactolus, where King Midas lost his ability to turn things into gold.(Illustration).