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originally posted by: AdmireTheDistance
While it may not be on original CDs or magnetic hard drives, we'll leave plenty of digital data behind, that will last for thousands of years, if not more. Standard Blu-Ray discs have a lifespan of 50 to 100 years. M-Discs have been available for over a year, and are purported to be able to last up to 1,000 years. Sony is releasing the similar Archival Disc format sometime this year.
Then you have the really insane stuff, such as Harvard scientists managing to store 5.5 petabits of data in one gram of DNA (this was 2 years ago, source). And finally, we have Hitachi, who have developed a system for laser-etching digital information into quartz glass that they hope to bring to market this year, with a theoretical usable lifespan of 100 million years....