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Wilshire@lemmy.world to Technology@lemmy.worldEnglish · 1 year ago

DVD-like optical disc could store 1.6 petabits (or 200 terabytes) on 100 layers

www.techspot.com

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DVD-like optical disc could store 1.6 petabits (or 200 terabytes) on 100 layers

www.techspot.com

Wilshire@lemmy.world to Technology@lemmy.worldEnglish · 1 year ago
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Researchers at the University of Shanghai for Science and Technology have developed an optical disc with a capacity of over a petabit of data, equivalent to well...
  • MisterD@lemmy.ca
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    1 year ago

    It’s the number of times faster it can read or burn compared to the original speed of reading and burning

    • cholesterol@lemmy.world
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      1 year ago

      Does the ‘original speed’ mean what the natural playback would have been? So 60 minutes of audio burned by a x60 drive would take one minute?

      • MNByChoice@midwest.social
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        1 year ago

        Yes, but I think there was some overhead in the process that was slower.

        • unphazed@lemmy.world
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          1 year ago

          Memory limitations. Back then RAM was like 512 max

          • MNByChoice@midwest.social
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            1 year ago

            You are correct. However, I mean initialization and finalizing.

            https://en.m.wikipedia.org/wiki/CD-R Looks like a 52x wrote at 7.8 MB/s. Things have changed.

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