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Published online 7 February 2000 | Nature | doi:10.1038/news000210-4
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Total recall
Computers that store information as holograms promise bigger memories and faster speeds. But their memories are leaky. Philip Ball reports on a new material that offers total recall.
Holograms are not just for hanging on the wall. These three-dimensional images recorded in thin slices of material can also provide the basis for computer memories with much higher storage capacities and read-out rates than the magnetic memories used in today's machines.
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