In traditional markets, people tends to remember a price on their product. This method was efective enough until their product variety became larger and bigger in quantity. This will made so much confusion. They decided to use some new method that could help them to identify their product faster and accurately without having to remember all the price in their product. Finally, they were glad when barcode was revealed. Barcode is a new method that uses a combination of numbers to identify unique product and it was accepted on around the world since they worked greatly and it was simple to implement, especially when you have know some good visual programming and database design background. Problems still exist even when after barcode system was used. The problem is not every product can be labbeled with barcode.
Right now, korean scientist have invented a new barcode which is invisible and can be used anywhere and in every product. This new barcode was invented after conducting a research for about eight years in Seoul National University. This barcode is called Nano DNA-Barcode System (NDBS). It has high security and privacy level and it can be used to prevent password changes.
How does it works? DNA which was encapsulated spread into products. This DNA will not die with enzim or heat when the products are distributed. This way, information about the product can be obtained from nano molecule via polimerase chain reaction (PCR). Great works....
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