William Donzelli wrote:
 > Good answer :) Certainly not permanent. Could
we (as a species)
> theoretically
> make something that will last for a fairly significant (from a human 
 POV)
   length of
time, such as a few hundred years? 
 Art. 
 
 OK, apart from art ;-)  I was going to make some humourous comment, but
 you're
 right in that it *is* a data storage medium in a lot of cases, just not
 one
 with a very high density...
 
Do those mass manufactured cds last longer then cd-rs? How long do those
last? Why can't we create cds like those? (How do they do it?)