The interesting thing few people know about gold

The golden rain poured down throughout the earth 200 million years to help cover the surface of the earth huge volume of precious metal gold lo.Nhung rain poured down throughout the earth 200 million years to help cover the Earth's surface mass precious metals giant.

Nearly all gold on Earth originated from space. The golden rain pour down from Earth 4 billion years ago the earth helped the precious metal more. Yellow rain lasted throughout 200 million years by meteorites collide with the planet's surface. Experts estimate Discovery of gold on Earth can cover the whole land surface of the earth at a depth of 50 cm to 3.6 m from.

75% of the gold that man possesses is mined from 1910 up to present. Throughout many millennia ago, people only find out 25% of the total existing gold. Mankind started discovery of gold and used it since 5000 BC.

Gold is now only as part of the iceberg sank. The scientists estimated that 80% of the gold on earth has not yet been found. However, gold is likely located deep under the ground so people can not exploit them in the near future.

The amount of steel to be exploited in a similar time of gold that dug all mankind throughout history. The total amount of gold is only enough people to fill three size pool of Olympic standards.

In the Middle Ages in Europe, people often use gold to heal. It is pulverized gold with emeralds to drink because we believe it cured the plague. They are completely useless, but even in this case useful mixture, very few people have sufficient financial strength to use it.

With an ounce of gold, one can laminate it into a 80km long wires. Because gold is an excellent conductor of electricity, it is used in many industrial applications. In the past, people still use laminated gold embroidery made of plush carpet or dressed kings in China.

In the past, people used real gold to manipulate the gold medal awarded to the champion athletes. However since 1912, the Olympic Committee stopped using 24K for medals. Gold medal today only about 6 g of gold.

In addition to their role as ornaments or adorn costumes, gold is present in the glass and the hood of the astronauts. It is useful for infrared reflectance from the sun, helping astronauts caps without heating.

India is a country that uses the world's largest gold. In this country, people see gold as a symbol of wealth and status. It also plays an important role in the worship or the kind of time. Indian gold purity is 22K.

In the sixteenth century in Ecuador, tribal Jivoro prisoners executed by pouring molten gold down his throat. The Romans also used the method to execute prisoners.