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Storage CD, it its most restricted, fundamental sense, is any medium through which data or information can be stored for later admittance. This could range between the printed page, to computers, to the human brain. For thousands of years, media blank was – while mixed – restricted to techniques that involved physically marking an object (the storage medium itself) with information that could further be read by the human eye and refined through the brain.

These involved everything from scriptures hand written with paper and ink, to hieroglyphics carved into stone. Nevertheless, during the last several decades, developments in technology have opened up a whole new path that has revolutionized the way humans record and maintain information: electronic storage media.

Most people are familiar with electronic storage media in the forms of optical discs, including Compact disks, Dvd disks and Blu-ray cds, these all can store music, video, or essentially any kind of data in any format that can be accessed with a computer. Optical storage media works by recording data onto the top of a disc, which stores information by encoding it in a binary file format in the form of “lands” and “pits” – much like the crests and troughs of an ocean wave, respectively.

These almost microscopic grooves represent data as binary code where lands equal a 1 and pits a 0, which is then read by reflecting a laser beam off the surface of the disc. The reflection of the laser is distorted by the set up of lands along with pits – 1s and 0s – and these distortions are then read and construed as unique data. While the discs themselves might be a relatively fragile storage media, the amount of data they can store is immense. A regular CD can hold about 700mb of data, which if entirely dedicated to text data can store very similar to thousands upon thousands of written pages.

Whilst written storage media containing this amount of text data might weigh several pounds and be so physically cumbersome as to make carrying the data somewhat difficult, a CD weighing only a few grams can easily contain plenty of books worth of text. What’s more is that while on paper, more data requires more storage space, consequently increasing the physical weight and size of the medium, optical data weighs basically nothing so that a CD packed with data weighs only a CD with nothing on it.

And even though making duplicate copies of this much written data would take dozens and dozens of man hours to manually replicate with a pen and paper, a duplicate CD can be copied and recorded within a matter of minutes. But that, while paper storage media could possibly be heavy and cumbersome, it requires nothing more to interpret than the human eye. Optical storage media, in contrast, requires other equipment to interpret the data for the user, which itself can be physically cumbersome and also vulnerable to damage.