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Disc rot is the tendency of CD, DVD, or other optical discs to become unreadable because of chemical deterioration. The causes include oxidation of the reflective layer, reactions with contaminants, ultra-violet light damage, and de-bonding of the adhesive used to adhere the layers of the disc together.
Compact disc bronzing, or CD bronzing, is a specific, uncommon variant of disc rot, a type of corrosion that affects the reflective layer of compact discs and renders them unreadable over time. The phenomenon was first reported by John McKelvey in the September/October 1994 issue of American Record Guide .
Two different ways of marking cut-out records on LP jackets. When LPs were the primary medium for the commercial distribution of sound recordings, manufacturers would cut the corner, punch a hole, or add a notch to the spine of the jacket of unsold records returned from retailers; these "cut-outs" might then be re-sold to record retailers or other sales outlets for sale at a discounted price.
A gold compact disc is one in which gold is utilized in place of the high-purity aluminium or silver commonly used as the reflective coating on ordinary CDs and CD-Rs respectively. Gold disks are available as both CDs and CD-Rs as well, and are compatible with standard players and recorders.
The logical format of an audio CD (officially Compact Disc Digital Audio or CD-DA) is described in a document produced in 1980 by the format's joint creators, Sony and Philips. [91] The document is known colloquially as the Red Book CD-DA after the color of its cover.
The CD eventually fell out of print. It never got pressed to vinyl or put on streaming services. Un-hyped and unpromoted, the band was underground in a way that the popular, influential Jane’s ...
DVDs and Blu-rays use similar methods (see Optical Disc § Optical disc manufacturing). A CD can be used to store audio, video, and data in various standardized formats defined in the Rainbow Books. CDs are usually manufactured in a class 100 (ISO 5) or better clean room, to avoid contamination which would result in data corruption. They can be ...
Mighty Mendit essentially is fabric glue, but seems to have an extra oomph, much like using epoxy. It smells very strong, like nail polish remover -- which makes sense since acetone is one of the ...