Harvard researchers have developed a data-storage approach based on mixtures of fluorescent dyes that are printed onto an epoxy surface in tiny spots. The mixture of dyes at each spot encodes information that is then read with a fluorescent microscope.
Optical disks, flash drives, and magnetic hard disk drives can only store digital information for a few decades, and they tend to require a lot of energy to maintain, making these methods less than ideal for long-term data storage. So researchers have been looking into using molecules as alternatives, most notably in DNA data storage. Those methods come with their own
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