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Fiber Optics Illustrated Dictionary - Part 77

The Fiber Optics Illustrated Dictionary - Part 77 fills a gap in the literature by providing instructors, hobbyists, and top-level engineers with an accessible, current reference. From the author of the best-selling Telecommunications Illustrated Dictionary, this comprehensive reference includes fundamental physics, basic technical information for fiber splicing, installation, maintenance, and repair, and follow-up information for communications and other professionals using fiber optic components. Well-balanced, well-researched, and extensively cross-referenced, it also includes hundreds of photographs, charts, and diagrams that clarify the more complex ideas and put simpler ideas into their applications context | Fiber Optics Illustrated Dictionary The Internet community of programmers some of whose contributors included members of The World Wide Web Consortium W3C and CompuServe began work on the development of PNG. The current consensus is that PNG is a good format and it is quickly being adopted by the Web community. The PNG specification was transcribed by Thomas Boutell and Tom Lane and released as RFC 2083 in 1997. The features of PNG include an open software standard good lossless compression ratios 8-bit color palette support 16-bit grayscale support 24- and 48-bit truecolor support alpha blending transparency for supporting different degrees of transparency gamma correction two-dimensional interlacing text chunk support multiple CRCs for error checking without viewing security signature full online references and source code availability. PNG was not designed for animation support it was intended for single images. MNG was subsequently developed to support animation. See Graphics Interchange Format Lempel-Ziv-Welch magic signature PNG Development Group Portable Network Frame Virtual Reality Modeling Language See RFC 2083. http www.cdrom.com pub png png.html Porthcurno The U.K. port location of historic submarine telegraph cables established primarily by John Pender in the 1870s Porthcurno historically Porthcumow in southwest England is now the port link for a new fiber optics cable installed in 1997. It is also the home of the Centre for the History of International Telegraph Communications including the Museum of Submarine Telegraphy images and artifacts documenting the region and telegraphic communications. The collection includes telegraph keys sounders relays synchronizers and more some of which may be viewed online. The surrounding landscape includes historic cables under the sand and underground tunnels http www.porthcumo.org.uk portrait A descriptive word that refers to the direction of roughly rectangular objects usually printouts photographs or monitors .