From owner-freebsd-questions  Fri Oct 30 12:41:49 1998
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From: "Steve Friedrich" <SteveFriedrich@Hot-Shot.com>
To: "Chris Dillon" <cdillon@wolves.k12.mo.us>
Cc: "freebsd-questions@FreeBSD.ORG" <freebsd-questions@FreeBSD.ORG>,
        "Larry S. Marso" <larry@marso.com>
Date: Fri, 30 Oct 1998 15:32:49 -0500
Reply-To: "Steve Friedrich" <SteveFriedrich@Hot-Shot.com>
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Subject: Re: which CD-R to get
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On Fri, 30 Oct 1998 13:38:29 -0600 (CST), Chris Dillon wrote:

>On Fri, 30 Oct 1998, Steve Friedrich wrote:
>
>> >Also, I understand that CD media measures it's lifetime in decades, not
>> >months/years.
>> 
>> Hmm, I think there is considerable debate here.  The Library of
>> Congress did a study and decided to NOT switch to CDs as archive media
>> because CDs would only last 10 years at most, sometimes less.  And I
>> think that was *stamped* CDs, not CDR media. CDR media can be destroyed
>> with sunlight!!  I was going to run a few tests, but haven't had time.
>
>I just had an idea (that someone else has probably already had, for
>sure) for a media that should last close to forever.  Make the CD out of
>glass instead of plastic.  Since you can't exactly "stamp" glass with
>the CD master, you could probably use ultrasonics to "etch" the pits
>into the glass.  Apply a good coat of gold over that, then some kind of
>protective layer, and you've got something that should last a long long
>time.  Yes, it is fragile (depending on the type of glass you use, i
>suppose) and expensive, but in cases where you require very long life,
>that would probably be an option.

You won't convince archivists... They require durablility too...


Unix systems measure "uptime" in years, Winblows measures it in minutes.



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