Scrunching Digital Pictures Down To Manageable Size

As video features start showing up in personal computers, demand for computer storage will skyrocket. That's because pictures use more memory than words--a few minutes' worth of color moving pictures is enough to swamp most laptop hard-disk drives. Magneto-optical (MO) drives boost storage capacity by combining features of magnetic recording with laser techniques used to produce music CDs. But these devices store only 128 million bytes of data each and take much longer than hard drives to find recorded information.

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