Its hard for magnetic data tapes to stand out from the crowd in an era when its easy to load up on legions of hard drives. However, Sony might have managed that rare feat with nano-sized tape tech that stores much more than off-the-shelf hardware. By optimizing how it sputters argon ions on to film to create magnetic material, the company has produced nano-grained tape thats 74 times denser than what you see today; at 185TB per cartridge, it makes even a 5TB hard disk seem quaint.
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