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Two compact discs

Two compact discs

T515/0200

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Credit

MIKE AGLIOLO / SCIENCE PHOTO LIBRARY MIKE AGLIOLO / SCIENCE PHOTO LIBRARY

Caption

Compact discs. Abstract image showing two compact discs (CD's) in multiple exposure. Each disc stores audio data such as music, as a series of fine depressions on the disc surface, representing a digitised musical signal capable of being read by a laser. To reflect the laser light, the coded music layer is coated with a fine film of metal which follows the depressions exactly. This layer is covered by another layer of transparent plastic which prevents dust and scratches from affecting the superior sound quality.

Release details

Model release not required. Property release not required.

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