Gold and interesting facts that not everyone knows

Gold is one of the rare metals that humans are gifted with. This metal is widely used in all areas such as mechanics, jewelry, aviation, . and of course it dominates the world economy. What interesting things do you not know about this rare metal, let's find out.

1. Did you know: how many kilograms does a gold tree (gold) weigh?
2. The most famous and mysterious treasures of all time

There is a fact that most of all gold on Earth comes from space.Approximately 4 billion years ago, because meteorite collided with the surface of the Earth created golden rains lasting for 200 million years.

According to experts' estimates, all gold in the world can cover the entire land surface of the Earth from about 50cm to 3.6m.

Gold is rare, finding a natural block of gold weighing about 5 is even harder than finding a 5-carat diamond (about 10 grams).

People discovered gold and started exploiting it, using it since 5000 BC.Since then until 1910, people have only found 25% of the total gold we have.75% of the remaining gold is exploited in the last 100 years.

80% of the gold on Earth has not been found yet.According to experts, the amount of gold can be very deep underground so in the near future people cannot exploit.

The amount of gold that all mankind digs throughout history is equivalent to the amount of steel mined in an hour.

The total amount of gold in possession is only enough to fill 3 swimming pools according to the Olympic standard size.

Gold is used for healing during the Middle Ages in Europe.Meanwhile, gold is shoveled with emeralds to drink becauseit is believed to cure plague but in fact, they are completely useless.

With an ounce of pure gold, through many meticulous steps one can laminated it into an 80km long string.

Gold has excellent electrical conductivity so it is used in many industrial applications.Historically, gold has been laminated to make only the Chinese kings' garments or embroidered luxurious carpets.

Before 1912, the Olympic gold medal was awarded to champion athletes made from real gold.But after that, the Olympic Committee stopped using 24K gold as a medal.Currently, gold medals are only plated with 6g of gold.

Gold is used to make astronauts' helmets and suits to help them avoid infrared radiation from the sun, helping the temperature in the adventurous suit not increase.

Indians regard gold as a symbol of wealth and status, so of course the country is the most used place in the world.Unlike other countries, Indian gold has a purity of 22K.

Melting gold was used to execute prisoners in Ecuador in the sixteenth century.The Romans also used this method to execute prisoners.