Sony develops tech for 185TB tapes: 3,700 times more storage than a Blu-ray disc

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There was a time, in computing's not-so-distant past, where magnetic tape was the best way to back up large amounts of data. In the mid-90s, tape could store tens or hundreds of gigabytes, while hard drive capacities were still mostly measured in megabytes. That would soon change, of course, with the advent of writable optical media and cheap, large hard drives, but even today tape drives still hang around as one of the best options for mass data backup. Now, Sony has developed a new technology that pushes tape drives far beyond where they once were, leading to individual tapes with 185 terabytes of storage capacity.