Doubling up

Good news for music and video pirates. Sony and Philips are to make CD
recorders that hold twice as much data as a conventional CD. Microchips which
let a CD player track tighter data spirals have already been developed. This
doubles disc capacity from 650 megabytes to 1.3 gigabytes. So a blank costing
less than $1 could hold 2.5 hours of CD-quality music, or hundreds of MP3
recordings, or a feature-length VHS quality movie. Double-density recorders are
expected to go on sale within six months. DD recordings will not play back on
existing CD players, but DD players will be…