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Meet the Super DVD: Scientists Develop Massive 1 Petabit Optical Disk (gizmodo.com)

submitted 8 months ago by [email protected] to c/[email protected]

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Note: Unfortunately the research paper linked in the article is a dead/broken/wrong link. Perhaps the author will update it later.

From the limited coverage, it doesn't sound like there's an actual optical drive that utilizes this yet and that it's just theoretical based on the properties of the material the researchers developed.

I'm not holding my breath, but I would absolutely love to be able to back up my storage system to a single optical disc (even if tens of TBs go unused).

If they could make a R/W version of that, holy crap.

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[–] [email protected] 156 points 8 months ago (46 children)

It's "only" 125 TB. Still a lot, and impressive. But I just hate the stupid click baity 'petabit' term. We use bytes GB and TB as a standard, just use the standard term it's impressive enough.

[–] [email protected] 2 points 8 months ago* (last edited 8 months ago) (9 children)

Gigabytes, or gibibyte? Yes gibibyte is a thing.
As much as i hate to say it, but due to marketting fuckery the usage of byte has ruined it all as a 2TB drive is not 2 * 1024 * 1024 * 1024 * 8 bits but instead 2 terabit ( 2*1000000000 )

Then comes the discussion if "1KB" is 1024 bytes or if 1000 bytes is a kilobyte. If you ask me, 1KB is 1024 bytes. If you ask the people using the kibibytes system, 1KB is 1000 bytes...

Shits fucking complex and fucked up. Cant go wrong if you say it in bits though

[–] [email protected] 1 points 8 months ago (5 children)

Then comes the discussion if “1KB” is 1024 bytes or if 1000 bytes is a kilobyte.

It's the metric system and it's standard now. 1 kilobyte is 1000 bytes, just like 1 kilometer is 1000 meters. It is much easier to convert 20.415.823 bytes into megabytes - 23.4 MB.

Only windows insists on mislabeling the base 1024 kibibyte as kilobyte. The metric unit is much easier to use.

[–] [email protected] 3 points 8 months ago

What? Every BIOS in the world still uses the same system. Same thing for me on Linux.

Only hard driver manufacturers used a different system to inflate their numbers and pushed a market campaign, a lot of people who didn't even use computers said "oh that makes sense - approved"

People who actually work with computer, memory, CPU, and other components in base 8 just ignores this non-sense of "x1000"

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