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Optical discs are most commonly used for digital preservation, storing music (particularly for use in a CD player), video (such as for use in a Blu-ray player), or data and programs for personal computers (PC), as well as offline hard copy data distribution due to lower per-unit prices than other types of media.
An optical disc image (or ISO image, from the ISO 9660 file system used with CD-ROM media) is a disk image that contains everything that would be written to an optical disc, disk sector by disc sector, including the optical disc file system. [3]
Optical computing or photonic computing uses light waves produced by lasers or incoherent sources for data processing, data storage or data communication for computing.For decades, photons have shown promise to enable a higher bandwidth than the electrons used in conventional computers (see optical fibers).
Disk storage (also sometimes called drive storage) is a data storage mechanism based on a rotating disk. The recording employs various electronic, magnetic, optical, or mechanical changes to the disk's surface layer.
Stacks of compact disc jewel cases. Optical disc packaging is the packaging that accompanies CDs, DVDs, and other formats of optical discs.Most packaging is rigid or semi-rigid and designed to protect the media from scratches and other types of exposure damage.
In optics the Lagrange invariant is a measure of the light propagating through an optical system. It is defined by = ¯ ¯, where y and u are the marginal ray height and angle respectively, and ȳ and ū are the chief ray height and angle.
Hackers is a 1995 American crime thriller film directed by Iain Softley and starring Jonny Lee Miller, Angelina Jolie, Jesse Bradford, Matthew Lillard, Laurence Mason, Renoly Santiago, Lorraine Bracco, and Fisher Stevens.
From June 2009 to April 2018, Telus resold BCE's satellite Bell Satellite TV service in parts of Alberta and British Columbia as Telus Satellite TV.The agreement was designed to allow Telus the ability to offer a quadruple play of services in markets where it had not yet deployed Optik TV, while also allowing Bell to increase its television market share in Western Canada.