Michele Youket, a preservation specialist at The Library of Congress, often deals with similar situations in her role. She says that this kind of silent destruction, which shows up in three different forms—the “bronzing” of discs, small pin-hole specs located on the discs, or “edge-rot”—became an important one for the national library when the organization started archiving music on CD formats, with the format’s weaknesses soon becoming apparent. – Ernie Smith, MOTHERBOARD https://ift.tt/2t0C7yD