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  2. Optical disc - Wikipedia

    en.wikipedia.org/wiki/Optical_disc

    Help; Learn to edit; Community portal; Recent changes; Upload file; Special pages

  3. Optik (journal) - Wikipedia

    en.wikipedia.org/wiki/Optik_(journal)

    Optik: International Journal for Light and Electron Optics, or simply Optik (German for Optics) is a peer-reviewed scientific journal covering the optics of light and electrons. According to the Journal Citation Reports , the journal has a 2021 impact factor of 3.1.

  4. Compact Disc File System - Wikipedia

    en.wikipedia.org/wiki/Compact_Disc_File_System

    The Compact Disc File System (CDFS) is a file system for read-only and write-once CD-ROMs developed by Simson Garfinkel and J. Spencer Love at the MIT Media Lab between 1985 and 1986. [1]

  5. Optical fiber - Wikipedia

    en.wikipedia.org/wiki/Optical_fiber

    A bundle of optical fibers A TOSLINK fiber optic audio cable with red light shone in one end. An optical fiber, or optical fibre, is a flexible glass or plastic fiber that can transmit light [a] from one end to the other.

  6. Specific rotation - Wikipedia

    en.wikipedia.org/wiki/Specific_rotation

    The CRC Handbook of Chemistry and Physics defines specific rotation as: For an optically active substance, defined by [α] θ λ = α/γl, where α is the angle through which plane polarized light is rotated by a solution of mass concentration γ and path length l.

  7. Erythrocyte sedimentation rate - Wikipedia

    en.wikipedia.org/wiki/Erythrocyte_sedimentation_rate

    Automatic ESR analyzer with specialised tube. The erythrocyte sedimentation rate (ESR or sed rate) is the rate at which red blood cells in anticoagulated whole blood descend in a standardized tube over a period of one hour.

  8. Blood donation - Wikipedia

    en.wikipedia.org/wiki/Blood_donation

    Charles Richard Drew (1904–1950) was an American surgeon and medical researcher.His research was in the field of blood transfusions, developing improved techniques for blood storage, and applied his expert knowledge to developing large-scale blood banks early in World War II.