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Re: Re: [OM] Re: archive slide scanning

Subject: Re: Re: [OM] Re: archive slide scanning
From: Wayne Harridge <wayneharridge@xxxxxxxxxxxxxxx>
Date: Fri, 28 Jun 2002 14:26:10 +1000



> Tom@xxxxxxxxxxxxx <Tom@xxxxxxxxxxxxx> wrote:
> 
> 
> Doubt what you want, but good CD plastic, properly stored, has a two 
> century life. It is inherently more stable chemically than film,
> especially 
> colour, negative or positive.

Ok, show me your 2 century old CD !  That is an *estimate* (if I'm not 
mistaken).
Correct me if I'm wrong, but I believe that in a common home written CD a *dye* 
is used to record the data, unlike music CDs which have a metal (aluminium ?) 
medium.  The plastic just supports the recording medium.

> You should save the software as well as the data. 
> You may want to keep some hardware too....
> The CD format should be popular for another decade or two, and
> accessible 
> for another decade past that.

And don't forget to keep *multiple* copies of those CDs, just in case the 
plastic 
turns back into tar and the dyes decompose !


Wayne Harridge

http://members.optusnet.com.au/~w_harridge

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