You could store a whole lot of stuff on a one-terabyte computer disc-say, a million novels, 250,000 MP3 song files, or hundreds of full-length movies. A Lucent Technologies spinoff is hoping to bring you that kind of capacity using a long-talked-about technology: holographic storage, in which a laser records data in three dimensions on a polymer medium. The technology can store up to 300 times as much data as traditional optical drives of the same physical size, and the startup, Longmont, CO-based InPhase Technologies, says it will start selling the holographic drives next year.

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