I'm afraid I don't know the answers to these questions. Maybe someone else
does - or I expect there's lots of stuff on the net about the life of CDs.
At 16:53 13/06/2002 +0100, you wrote:
>Am very concerned at hearing that the life of CDs is
>limited. And without a copyright waiver does that mean
>that libraries holding rare scanned documents cannot
>refresh the CDs to preserve the images? The Library of
>Congress in Washington reckons that it will 'lose' 90%
>of all of its magnetic holdings - video/audio tapes -
>in the next 100 years (discounting changes of format
>and the fact that machines to play the old formats
>might become obsolete). So they are digitising
>everything they can. So what it wrong with CDs? Are
>they even more fragile than magnetic video tape. The
>life of the latter is about 30 years after which the
>adhesive holding the magnetic particles onto the
>plastic base decomposes into a white dust which clogs
>up the heads. What happens to CDs?
>
>Chris B.
>
>With regards to the mailing list why not change it
>into a Delphi forum for free. See:
>http://forums.delphiforums.com/haman/start
>
>Chris B.
>
>Chris B.
>
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