Compact discs (CDs) digitally store music and other data as tiny depressions coated with a fine film of metal. The information is read using a CD player,whose laser light is reflected by the pits. The outer plastic layer of the disc prevents damage from dust and scratches | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Hayson, Phillip |
Bildgröße: | 3128 px × 4508 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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