Compact Discs with Light Interference Patterns
Item #: 22110318097A
Size and print type
Ships in 1-2 days
Compact discs. Photograph of several audio compact discs (CD). The CD stores music as a series of fine depressions, representing a digitised musical signal capable of being read by a laser. To reflect the laser light, the music layer is coated with a fine film of metal, normally aluminium, which follows the depressions exactly. The reflective surface is covered by a thick layer of transparent plastic which prevents dust scratches from affecting the sound quality. A standard audio CD can store about 80 minutes of music.
This premium poster is a reproduction printed on premium grade poster paper, which is far thicker than standard poster paper. With brilliant color and a high level of detail, premium posters are an excellent value.
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