The compact disk
is narrated and features closed captioning.
The units are made from grooved aluminium plates for compact disks
and grooved plastic for cassettes.
Having a shorter wavelength creates a more concentrated beam of light that can focus to a smaller spot size, and therefore, is able to store and read much more information on the same size compact disk
The bootable compact disks
for users of new Macintosh computers released in 2001 -- except the 2001 Titanium PowerBook -- are available for $14.
Kodak Optical Storage Products designs, develops, manufactures, and markets a complete line of 14-inch and compact disk
optical storage products.