** Optical medium, material through which electromagnetic waves propagate

** Self-focusing, an effect due to the Optical Kerr effect ( and possibly higher order nonlinearities ) caused by the spatial variation in the intensity creating a spatial variation in the refractive index

** Self-phase modulation ( SPM ), an effect due to the Optical Kerr effect ( and possibly higher order nonlinearities ) caused by the temporal variation in the intensity creating a temporal variation in the refractive index

** Optical solitons, An equilibrium solution for either an optical pulse ( temporal soliton ) or Spatial mode ( spatial soliton ) that does not change during propagation due to a balance between diffraction and the Kerr effect ( e. g. Self-phase modulation for temporal and Self-focusing for spatial solitons ).

** Optical jukebox

** Optical disc

** Optical disc such as CD, DVD, Blu-ray Disc

** Optical storage

** Optical time domain reflectometer

** Optical disc, commonly a polycarbonate disc

** Journal of the Optical Society of America A, 1984-present, covering research on optics, image science, and vision.

** Journal of the Optical Society of America B, 1984-present, covering research on optical physics

** Optical coherence tomography

** Videodisc / Optical Disk Magazine

** Optical fiber connector

** 15th Optical Unit

** Optical Character Recognition

** Mongnan (; KCC ,< ref name =" khs "> North Korea ) – Optical character recognition software with an alleged success rate of 99 % for printed text and 95 % for handwriting recognition.

** Optical Race ( 1988 )

** Optical window

** Optical spectrum

** Optical character recognition

** Forms Taiwan Nitto Optical Co., Ltd ..

** Forms Optimate Corp., and Shanghai Nitto Optical Co., Ltd .;

** Electrostatic Discharge ( ESD ), as a result of two charged objects coming into close proximity or even contact.

** It is likely the 1965 and 1968 Series were preserved by the CBC due to the Twins ' and Tigers ' proximity to Canada ; the country would not get its own MLB team until the Montreal Expos began play in 1969.

** Because of the proximity of this town to it, Walden Ridge is often mistakenly called Signal Mountain.

** 2030 – Virtual reality allows any type of interaction with anyone, regardless of physical proximity – Ray Kurzweil

** A number of professional footballers have recently moved to Oxshott because of the proximity of the Chelsea Football Club training grounds at Stoke D ' Abernon. Players are required to live within 6 miles of the training ground.

** SDLC included much more powerful error detection and correction codes than earlier protocols.

** It enabled terminals and 3705 communications processors to send " frames " of data one after the other without waiting for an acknowledgement of the previous frame-the communications cards had sufficient memory and processing capacity to " remember " the last 7 frames sent or received, request re-transmission of only those frames which contained errors that the error detection and correction codes could not repair, and slot the re-transmitted frames into the right place in the sequence before forwarding them to the next stage.

** Error control ( automatic repeat request, ARQ ), in addition to ARQ provided by some transport-layer protocols, to forward error correction ( FEC ) techniques provided on the physical layer, and to error-detection and packet canceling provided at all layers, including the network layer.

** Peter Shor and Andrew Steane simultaneously proposed the first schemes for quantum error correction.

** Wite-Out, a line of correction fluid

** Inverse telecine 3: 2 and 2: 2 pull-down correction

** Perspective correction, flat and Gouraud shading

** Error correction and detection

** The variables are cointegrated: the error correction term has to be included in the VAR.

** Parity or ECC ( including single device correction ) protection of memory components ( cache and system memory ), as well as memory bus ; bad cache line disabling ; memory scrubbing ; memory sparing ; bad page offlining ; redundant bit steering ; redundant array of independent memory ( RAIM ).

** OPC Foundation, a related consortium

** Atlas III was a US launch vehicle ( 2000 – 2005 )

** Atlas V ( 2002 – Present )

** Atlas Major, a Standard Motor Company van 1962 – 1963

** The Banach – Tarski paradox.

** The Nielsen – Schreier theorem, that every subgroup of a free group is free.

** The Hahn – Banach theorem in functional analysis, allowing the extension of linear functionals

** The Banach – Alaoglu theorem about compactness of sets of functionals.

** Every Tychonoff space has a Stone – Čech compactification.

** This is a distinguished work which stands out from, and above, many of the books and articles which have ben written in this century on Avicenna ( Ibn Sīnā ) ( A. D. 980 – 1037 ).

** The numbers and are not algebraic numbers ( see the Lindemann – Weierstrass theorem ); hence they are transcendental.

** Laozi ( 5th – 4th century BC )

** Ge Hong ( 283 AD – 343 AD )

** Xun Zi ( c. 312 BC – 230 BC )

** Gongsun Long ( c. 325 BC – c. 250 BC )

** Zou Yan ( 305 BC – 240 BC )

** Mani ( c. 216 AD – 276 AD )

** Haliotis brazieri f. hargravesi ( Cox, 1869 ) – synonym: Haliotis ethologus, the Mimic abalone, Haliotis hargravesi, the Hargraves ’ s abalone

** Haliotis dalli roberti McLean, 1970 – synonym: Haliotis roberti

** Haliotis diversicolor squamata Reeve, 1846 – synonym: Haliotis squamata – the scaly Australian abalone

** Haliotis diversicolor supertexta – the Taiwan abalone or jiukong

** Haliotis kamtschatkana assimilis Dall, 1878 – synonym: Haliotis assimilis, the threaded abalone

** Haliotis ovina f. patamakanthini Dekker, Regter, & Gras, 2001 – synonym: Haliotis patamakanthini

** Haliotis rubra conicopora Péron, 1816 – synonym: Haliotis conicopora – the conical pore abalone