On Thu, 24 Jul 2008 08:57:40 +0100, Invisible wrote:

>>> My point is still that you can't reover what isn't there any more.
>>>
>>>
>> Right, but the information is still there, and so it is recoverable.
> 
> Heh. Next thing you'll be telling me that you can take a photograph that
> has faded to a plain yellow sheet of paper and somehow "recover" the
> image that used to be on it. :-P

Even more impressively, they've been able to colour films that were 
originally shot in B&W.

http://en.wikipedia.org/wiki/Film_colorization

Jim

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