how good is the data reliability with CD ROM and DVD RAM?

Chuck Guzis cclist at
Sun Jul 22 20:11:41 CDT 2018

On 07/22/2018 05:46 PM, Warner Losh via cctalk wrote:
> Somewhat of a tangent, but this just popped up for me.

I read through to the end of the article and can't quite see where the
500 year lifetime comes in.  Microfilm is a Mylar base with a gelatin
coating containing bits of elemental silver, no?   Why would this last
for 500 years?  Do we even have a 250-year old piece of intact gelatin?


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