Building the million year disk
Summary: Go long with your archive. Not 100 years, not 1000 years, but 1 million years. Here’s how it would work.
We store enormous amounts of data today and that is generally a good thing. The problem: we store on disk drives that may last five or six years and may be economic for three.
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Researchers at Hitachi Data Systems recently demonstrated quartz storage, readable by optical microscopes, with an expected life of millions of years. But there is a new entrant in the race for long live storage.
Researchers investigated a tungsten disk encapsulating silicon nitride which should last at least 1 million years. This dwarfs even the 1,000 year DVD.