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Gadolinium is durable and is effective in letting lasers burn micronized bumps onto the surface of the disc. A micrometer is one millionth of a meter. This very small raised surface is what enables the CD player to read the disc and play music. Also, an 125 nanometer think sheet of aluminum is sometimes used to coat the micrometer sized bumbs.
What else can I help you with?
Are all CD-R discs rewritable?
CD-R disks are NOT re-writable. Look for disks labeled CD-RW.
What are the main categories of optical laser disks?
Main categories of optical laser disks are CD-ROM,WORM Disk/CD-Record able(CD-R) Disks,CD Read/Write(CD-RW) Disk,Digital Video(or Versatile)Disk(DVD).
What is Storage media used by optical disc drives?
CD and DVD disks are used by optical disc drives.
How do DVD's differ from CD's?
DVD's are the disks with which you watch a movie and CD's are the disks that you could either buy or burn and listen to music on.
Are floppy disk still used today?
NO we have these new things called cd's aka compact disks
Did PlayStation use disks first?
No. Several consoles used CDs before the PlayStation did. Examples include the Sega CD, Sega Saturn, and the Phillips CD-i. There was also a Famicom Disk System peripheral for the Famicom (the Japanese version of the NES) which used floppy-like disks.
How many disks are in the CD Hannah Montana 3?
the CD only has 1 disk in it i have the CD and its wonderful
What are CD drive used for?
They are used for reading data stored onto compact disks like music, photos, documents, and programs.
Can a dell inspiron 1420 burn a CD?
Yes both cd and dvd rom disks..
How often do the disks in a car CD changer get stuck?
They get stuck when the CD Changer is starting to get worn out.
Which of the following disks can be rewritten many times?
CD-RW
What type of disks can be rewritten many times?
CD-RW
