The dream of getting gold from sea water and its difficulty
Currently, the demand for money is very high in the world.
Researchers at the Japanese company IHI are taking on the dream of ``extracting gold from ocean water,'' which has been dreamed up for 100 years.
It is said that there is a lot of gold dissolved in the sea water.
The amount is 20,000 times more than the amount of gold ever mined by humans.
However, there is very little gold in the ocean water, and current technology is too expensive to actually collect gold.
IHI's Mr. Fukushima focused on a special algae found in hot springs in the Tohoku region.
This algae can collect gold in ocean water inside its body
In experiments, it was possible to extract 100 grams of gold from 1 kilogram of dry algae.
But this idea is not new
100 years ago, the German scientist Haber thought of the same thing, but he couldn't do it because it was too expensive.
According to IHI's calculations, in order to collect money using this method, the amount of money you ask for must be 100 times the current amount.
Alternatively, it is also possible to use water from hot springs or mines that are rich in gold.
It is still difficult at the moment, but this research is continuing for the future.
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