On Fri, 2009-01-09 at 21:21 -0800, aussieshepsrock wrote: > The method the 1's and 0's are stored is inherently unstable and the > 1's and 0's don't stay as specified in a durable manner. The 'data' in > a sense evolves on it's own and can't be relied upon in a 'calendar' > based measurement of time. > > Is that phrased better? > Howdy, The way I would say it is that Flash memory stores bits as voltages for a bunch of memory cells. The voltage decays over time and so Flash memory is not suitable for archival. If you want to get a little more technical, most Flash memory these days is MLC where each memory cell represents 2 or 3 bits of storage. MLC is even worse to consider for archival, because even smaller voltage drops will change the value that is represented in the memory cell. Good luck, Ralph
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