Date: Fri, 30 Oct 1998 15:51:35 -0600 (CST) From: Chris Dillon <cdillon@wolves.k12.mo.us> To: Steve Friedrich <SteveFriedrich@Hot-Shot.com> Cc: "freebsd-questions@FreeBSD.ORG" <freebsd-questions@FreeBSD.ORG>, "Larry S. Marso" <larry@marso.com> Subject: Re: which CD-R to get Message-ID: <Pine.BSF.4.05.9810301548390.1739-100000@duey.hs.wolves.k12.mo.us> In-Reply-To: <199810302041.PAA10638@laker.net>
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On Fri, 30 Oct 1998, Steve Friedrich wrote: > 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... > True. While the glass would/could be more scratch resistant than plastic, I wonder just how shatter-proof it could be made. Use Pyrex? Some other treated glass? Isn't there a totally clear transparent ceramic material available now? -- Chris Dillon - cdillon@wolves.k12.mo.us - cdillon@inter-linc.net /* FreeBSD: The fastest and most stable server OS on the planet. For Intel x86 and compatibles (SPARC and Alpha under development) ( http://www.freebsd.org ) */ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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