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A comment on Glass discs that can store 360TB and remain intact for billions of years (2016). Parent comment

Re:Glass discs that can store 360TB and remain intact for bi... by jarfil on Tuesday June 25, 2019 @07:11AM (#20272990)
Heads is a low resolution dimension, so CHS should probably be more like 2.5D. Magnetic orientation is just binary, so not a dimension.

The 5D in the article is kind of fishy, but in this case size and orientation are more of a low resolution dimension like multi-level cells in a flash drive.

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Re:Glass discs that can store 360TB and remain intact for bi... by parksy on Tuesday June 25, 2019 @09:55AM (#20274174)
If it's a property of an object that defines the object, it's a dimension. Spatial location gives us 3 dimensions, rotation and size give us 2 more. The dimensions don't all have to use the same units.
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