GE 500-Gigabyte Disc

Overlapping blue lasers recording holograms in a GE micro-holographic disc.

GE researchers have demonstrated a threshold micro-holographic storage material that can enable the storage of over 500 gigabytes in a standard DVD-size disc, equal to the capacity of 20 single-layer Blu-ray discs, 100 DVDs or the hard drive for a large desktop computer.

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