The digital age has transformed the way they manage information.

1. Keep your Disc Safe

2. Back in 1990s, CDs were new shiny technology with the promise
to last forever. Museums, historical societies, and symphonies
started to transfer all types of information onto what was
thought as a durable medium: the compact disc.

3. The digital age has transformed the way they manage
information. Never before it was possible for humankind to
store and record so much information along with great diversity.
Even though the data amounts have ascended exponentially, the
life span predicted for the storage media rarely exceeds the
lifetime of a man. For people who are into collecting as well as
leaving a legacy for their descendants, and the ones who depend
completely on the digitally stored information, this comes as an
enormous challenge.

4. Now, people are troubled that a lot of important information
stored on CDs is on the verge of disappearing. What makes
preserving CDs difficult is that they’re not uniform.

5. The Library of Congress has 400,000 CDs in its collections, from
popular music to congressional records. It also gets regular CD
donations. Real estate titles and records were also shifted from
microfilm to CD in the 1990s across the country.

6. They simply made the move thinking that anything digital,
anything electronic, was going to be much superior and better
than everything from the past. Sadly, this thought turned out to
be completely wrong.

7. With the tight local government budgets most of the people will
fail to move to another storage medium in the near future.

8. Interestingly, CDs are not being created at all. The record shops
selling them are running out of business, and the new computers
aren’t made with CD drives any more. Yet, most of them still
have hundreds and thousands of CDs piled up in our racks and
shelves.

9. Many of the CDs/DVDs, if taken care of properly, can actually
last for many years. Sadly, your favorite CDs, which you play the
most, are also the ones most likely to get damaged.

10. Optical discs, for commercial purposes, have been available
since 1980s. Just in 30 years, a strong volume of information has
been finally collected which tells them the causes of breakage of
CDs and DVDs. High progress has also been made in developing
material that can last for longer s pan.

11. The estimations foretell a lifetime of 200 years for the optical discs.
However, they can never be completely sure when they are about
to break. The only thing you can do to save your discs from
damage is to be aware of the factors determining the CD’s life span
and the causes behind their breaking.

12. For understanding what shortens the lifetime of the discs,
you must know how they are created. The common thing
among all the optical discs is the presence of the three key
layers:
• coating layer which guards the reflective layer.
• shiny layer reflecting the laser.
• polycarbonate disc layer which stores data.

13. One key factor that affects the maximum life span of the
optical disc is the kind of reflective layer. Other components
involve the manufacturing as well as the overall quality of
available raw material. The manner in which the user handles
the medium is most important. Managing of optical discs has
the most important impact over its longevity.

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