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Tested: How Many Times Can a DVD±RW Be Rewritten? Methodology and Results

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Re: Tested: How Many Times Can a DVD±RW Be Rewritten? Methodology and Results

#41

Post by jagged-chisel »

thombat wrote: post #28
ChrisGreenHeur wrote: post #19

Earlier quoted context omitted.

That's the amazing part, when making the holes the epoxy melts and drips down into the collection bucket that the brush uses

It comes years too late, but I finally understand the reliability problems I had with a DVD drive mounted on its side. If only I'd had your insight then, I could have taken the PC to a playground and burnt disks on the carousel.

I wouldn’t have expected gravity to be a problem at these scales. Wouldn’t surface tension override here? Maybe I’m totally off base …

Re: Tested: How Many Times Can a DVD±RW Be Rewritten? Methodology and Results

#42

Post by sethammons »

ChrisGreenHeur wrote: post #37
15155 wrote: post #24

Earlier quoted context omitted.

Or, you know, how the technology actually works: two different lasers and crystallization states.

Sure, dvds work by magic crystals.

Next you're gonna tell me that applications run on text you can write by hand. Pffft. Ain't no way

Re: Tested: How Many Times Can a DVD±RW Be Rewritten? Methodology and Results

#44

Post by afandian »

ChrisGreenHeur wrote: post #19
awesomeMilou wrote: post #17

Earlier quoted context omitted.

Won't the epoxy run out at some point?

That's the amazing part, when making the holes the epoxy melts and drips down into the collection bucket that the brush uses

The original solution involved a very thick disc which could then leveled and re-pitted. The problem was that the change in mass over time made it hard to calibrate the acceleration.

It also put a high radial load on the spindle whilst mounted sideways which led to run-out.

And flooding the area with radon (a heavy gas) helped the disc to float a bit, but had unexpected consequences...

Re: Tested: How Many Times Can a DVD±RW Be Rewritten? Methodology and Results

#45

Post by doublerabbit »

sethammons wrote: post #42
ChrisGreenHeur wrote: post #37

Earlier quoted context omitted.

Sure, dvds work by magic crystals.

Next you're gonna tell me that applications run on text you can write by hand. Pffft. Ain't no way

LLM's are actually little elves from the DMT dimension. They got captured and compressed in to silicon cells that now been enslaved by the evil. If you ask a LLM they will tell you it's true.

Re: Tested: How Many Times Can a DVD±RW Be Rewritten? Methodology and Results

#46

Post by hrmtst93837 »

bsder wrote: post #4

IIRC, the issue was never how often the DVD-R/W could be rewritten. The issue was the fact that everybody assumed that the DVD-R/W discs had roughly the same lifetime as actual DVDs and that turned out to be woefully incorrect.

[flagged]

Re: Tested: How Many Times Can a DVD±RW Be Rewritten? Methodology and Results

#47

Post by scientism »

yibers wrote: post #35
ChrisGreenHeur wrote: post #14

Earlier quoted context omitted.

[flagged]

The DVD+RW actually used pencil and eraser technology instead. It was a surprisingly robust method.

Then came DVD±RW which used the magic pen technology. Each time you write, it changed both the color of the disc and the data. Surprisingly enough if you did it long enough it ended in color/data corruption...

Re: Tested: How Many Times Can a DVD±RW Be Rewritten? Methodology and Results

#48

Post by compounding_it »

Would be interested to know if automating rewrites makes the disc run hotter which affects the disc lifetime physically as opposed to writing it and then removing it which cools it off (but may cause physical wear and tear from handling it). Does heat play a role in degradation or whether it’s the opposite and helps it in some way.
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