Compact disc (CD) in its case. CDs digitally store music and other data as tiny depressions coated with a fine film of metal. The information is read by a laser light that reflects from the depressions,allowing the original data to be reconstructed. The outer plastic layer of the disc prevents damage from dust and scratches | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Tek Image |
Bildgröße: | 4080 px × 5401 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |