frequency reuse
61HLA-A68 — SerotypeA normal locus = A type = 68 image PDB2|2hla showing A*6801 (cyan) and Beta 2 microglobulin (rose). There is no bound peptide in this image. allelegroup = 68 alleles = 1 common alleles = 3 rare alleles = 1 alias = A28 broad = 28 | sister1 …
62Ultraviolet — UV redirects here. For other uses, see UV (disambiguation). UVB redirects here. For the mysterious shortwave radio station in Russia, see UVB 76. For other uses, see Ultraviolet (disambiguation). False color image of the Sun s corona as seen in… …
63Korean Air Lines Flight 007 — Flight 007 redirects here. For other uses, see Flight 7 (disambiguation). Korean Air Lines Flight 007 Artist s rendition of HL7442, the KAL 747 lost during Flight 007 Occurrence summary …
64Solar thermal energy — Solar thermal system for water heating in Santorini, Greece …
65History of cryptography — The history of cryptography begins thousands of years ago. Until recent decades, it has been the story of what might be called classic cryptography that is, of methods of encryption that use pen and paper, or perhaps simple mechanical aids. In… …
66Project 25 — (P25 or APCO 25) is a suite of standards for digital radio communications for use by federal, state/province and local public safety agencies in North America to enable them to communicate with other agencies and mutual aid response teams in… …
67Keyboard layout — QWERTY keyboard on a laptop. A keyboard layout is any specific mechanical, visual, or functional arrangement of the keys, legends, or key–meaning associations (respectively) of a computer, typewriter, or other typographic keyboard. Mechanical… …
68Guitar Hero — For the first game in the series, see Guitar Hero (video game). For other uses, see Guitar Hero (disambiguation). Guitar Hero Genres Rhythm game …
69Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …
70Smart grid — Public infrastructure …
