How many tunes could you store?
Cassette tapes may have faded into oblivion
long ago, but magnetic tape storage still has a key role to play behind
the scenes. Extremely high density tapes are used by corporations and
government agencies for archival purposes because they're cheaper, more
power efficient, and more reliable than disk-based storage. And now Sony
has achieved an incredible storage capacity of 18.5GB per square inch
with its latest magnetic tapes — over five times the record set in 2010
by IBM, and 74 times greater than tapes typically used in archival
storage today (like the one pictured above). With that kind of density,
one small data cartridge can hold a monumental 185TB of data, though
Sony hasn't commercialized the technology yet. Nevertheless, that's not
too shabby for a storage medium that's been around for over 60 years.
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