OT osprey, this is probably what you're looking for, been worked on by Lucent and IBM <A HREF="http://computer.howstuffworks.com/holographic-memory1.htm" target="_blank">http://computer.howstuffworks.com/holographic-memory1.htm</A> Incidentally, I've become well-confused by the MRAM vs OUM vs flash saga - perhaps a place for all of them in the future?