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According to wikipedia at: http://en.wikipedia.org/wiki/Half-life The concept of half-life is often used to describe the decay of
discrete entities, such as
radioactive atoms. It is the time when the expected value of the number of
entities that have decayed is equal to half the original number. The question is -- Has anyone on this list, or otherwise, done any
studies on the half life of photographic images recorded on various
media? The "decay" or loss of any given image could be from a number of
causes -- decay of the recording material, destruction due to damage
from fire, water, etc., discard by owner, change in technologies, etc. Do the members on this list think that the half-live of photo images
has significantly shortened, because of the shift to digital? What
about different categories of images (professional vs consumer)? Should a criteria of technology be the lengthening, rather than the
shortening of photo image half-life? Is there anyone working on this issue with a mathematical or
statistical model?
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