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The preservation of optical media is essential because it is a resource in libraries, and stores audio, video, and computer data. While optical discs are generally more reliable and durable than older media types, (magnetic tape, LPs and other records) environmental conditions and/or poor handling can result in lost information.
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.
Arch Hurd – A live CD of Arch Linux with the GNU Hurd as its kernel; AROS – Offers live CD for download on the project page; BeOS – All BeOS discs can be run in live CD mode, although PowerPC versions need to be kickstarted from Mac OS 8 when run on Apple or clone hardware; FreeDOS – the official "Full CD" 1.0 release includes a live CD ...
Rio Grande is a jewelry-making equipment, tools and supplies company located in Albuquerque, New Mexico. Founded in 1944 by jeweler Saul Bell, the company is run by Arien Gessner (CEO).
Brasso has also been used to polish out scratches in plastics: It has been used to polish CDs, DVDs, screens, and pools to repair scratches. It is a mild solvent and an extremely fine abrasive, so when applied to the reflective surface of the disc and rubbed radially (in straight lines between the edge and centre), it can smooth scratches and reduce their effect.
Sam Goody was a music and entertainment retailer in the United States and United Kingdom, operated by The Musicland Group, Inc. It was purchased by Best Buy in 2000, was sold to Sun Capital Partners in 2003, and filed for bankruptcy in 2006, closing most of its stores.
CD Universe is an e-commerce site that sells adult toys, adult DVDs, lingerie, and sexual wellness items. The original CD Universe was an online store that sold music CDs , mp3 downloads, movies, and video games worldwide until June 2024.
For a 12 cm disc, it doubles the original 650 MB to 1.3 GB capacity of a CD on recordable (DDCD-R) and rewritable (DDCD-RW) discs by narrowing the track pitch from 1.6 to 1.1 micrometers, and shortening the minimum pit length from 0.833 to 0.623 micrometers. The DDCD was also available in read-only format (DDCD-ROM).