optical tuning
81artificial intelligence — the capacity of a computer to perform operations analogous to learning and decision making in humans, as by an expert system, a program for CAD or CAM, or a program for the perception and recognition of shapes in computer vision systems. Abbr.:… …
82Cable television — CATV redirects here. For CAT5 cable, see Category 5 cable. Coaxial cable is often used to transmit cable television into a residence. Cable television is a system of providing television programs to consumers via radio frequency (RF) signals… …
83Directed-energy weapon — This article is about practical experiments with energy weapons. For fictional uses, see raygun. Humvee with Active Denial System mounted A directed energy weapon (DEW) emits energy in an aimed direction without the means of a projectile. It… …
84DVD recorder — This article is about DVD recorders. For a list of recordable DVD formats, see DVD formats. DVR with built in DVD recorder. A DVD recorder (also known as a DVDR, mainly outside of the UK and Ireland), is an optical disc recorder that uses Optical …
85Lyot filter — A Lyot filter, named for its inventor Bernard Lyot, is a type of optical filter that uses birefringence to produce a narrow passband of transmitted wavelengths. Lyot filters are often used in astronomy, particularly for solar astronomy.A Lyot… …
86Delay line memory — Computer memory types Volatile RAM DRAM (e.g., DDR SDRAM) SRAM In development T RAM Z RAM TTRAM Historical Delay line memory Selectron tube Williams tube …
87Seiko — Infobox Company company name = Seiko Holdings Corporation セイコーホールディングス株式会社 company type = Public tyo|8050 company company slogan = foundation = Chūō, Tokyo, Japan (1881) (Incorporated in 1917) location = Minato, Tokyo, Japan (Officially… …
88Dichroic filter — Dichroic filters A dichroic filter, thin film filter, or interference filter is a very accurate color filter used to selectively pass light of a small range of colors while reflecting other colors. By comparison, dichroic mirrors and dichroic… …
89Wii Remote — with original strap Manufacturer Nintendo Generation Seventh generation era Retail availability Nove …
90DirecTV — Type Public company[1] Traded as NASDAQ:  …
