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Curated category

Optical computer storage media

  • Blu-raySony unveiled the first Blu-ray Disc prototypes in October 2000. These early devices relied on blue laser diodes operating at 405 nanometers to achieve…
  • DVDIn January 1995, two rival optical disc proposals stood on the brink of a commercial stalemate. The Multimedia Compact Disc carried the backing of Philips…
  • CD-ROMIn 1958, David Paul Gregg filed a patent for optical disc storage in the United States. James Russel followed with key work between 1965 and 1975 that laid…