Hitachi has invented a small device that can store data on it for an incredibly long time in binary form by creating a series of dots that can be read with a microscope.

Hitachi has invented a glass disk that can store data on it without degrading, almost forever. The small device is waterproof, fireproof, resistant to chemicals, and unaffected by radio waves. According to, Hitachi researcher Kazuyoshi Torii said:

The volume of data being created every day is exploding, but in terms of keeping it for later generations, we haven't necessarily improved since the days we inscribed things on stones. The possibility of losing information may actually have increased.

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