Up to 500 MP3 music tracks can be stored on a single CD using a new
technology for making and reading the discs, delegates were told at this week’s
Comdex computer show in Las Vegas, Nevada. TDK of Japan and Calimetrics of
California say a CD made using their technology can hold up to 2 gigabytes of
data. Earlier plans to increase CD storage relied on expensive new optics to
make smaller data “pits”—the tiny slots gouged out of the disc by a laser
to store digital 0s and 1s. Calimetrics’s trick is to cram more data in by…
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