CD versus DVD and beyond

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CD Versus DVD technology ? And Beyond ?
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CD versus DVD versus ?Current, Future, and Beyond

• The information on a CD can be straightened into
  a line that is over 3 miles long.
• The information on a DVD can be straightened into
  a line that is over 7.5 miles long.
• The information on a HD-DVD Blu-Ray can be
  straightened into a line that is over 75 miles
  long.

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The CurrentToshiba vs Sony

• Toshiba Format HD-DVD
• Sony Format Blu-Ray

The Near FutureRicoh

• Ricoh Format Any Format

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Holographic Memory
Future
Future
?
?
50 Movies storied on 1 cubic centimeter of media!
In a holographic memory device, a laser beam is
split in two, and the two resulting beams
interact in a crystal medium to store a
holographic recreation of a page of data.
The amount of information will greatly increase
for the laser doubling. For what there is to
come. Will they continue to split the laser
beams or will there be a completely different
approach.
5
Molecular MemoryBacteriorhodopsin Protein Memory
?
Future
Future
?
?
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Applause