timing reference
61Downing Street memo — The Downing Street memo (occasionally DSM, or the Downing Street Minutes ), sometimes described by critics of the Iraq War as the smoking gun memo ,[1] is the note of a secret 23 July 2002, meeting of senior British Labour government, defence and …
62Department of Defense Architecture Framework — DoD Architecture Framework.[1] The Department of Defense Architecture Framework (DoDAF) is an architecture framework for the United States Department of Defense, that provides structure for a specific stakeholder concern through viewpoints… …
63How television works — Analog televisionUntil the advent of digital television and flat panel displays in the 1990s, all television was based on the transmission and reception of analog signals, displayed on a cathode ray tube. Although a number of different broadcast… …
64Ecology — For other uses, see Ecology (disambiguation). Ecology …
65Speed of light — The speed of light in the vacuum of free space is an important physical constant usually denoted by the letter c . [NIST and BIPM practice is to use c 0 for the speed of light in vacuum in accord with international standard ISO 31 5. See… …
66List of astronomy acronyms — This is a compilation of acronyms commonly used in astronomy. Most of the acronyms are drawn from professional astronomy and are used quite frequently in scientific publications. However, a few of these acronyms are frequently used by the general …
67Michael Phelps — For other people named Michael Phelps, see Michael Phelps (disambiguation). Michael Phelps Personal information …
68eclipse — eclipser, n. /i klips /, n., v., eclipsed, eclipsing. n. 1. Astron. a. the obscuration of the light of the moon by the intervention of the earth between it and the sun (lunar eclipse) or the obscuration of the light of the sun by the intervention …
69Conventional PCI — PCI Local Bus Three 5 volt 32 bit PCI expansion slots on a motherboard (PC bracket on left side) …
70Ford Duratec engine — Manufacturer Ford Production 1993–present Displacement 1.3 L (79 CID) 1.4 L 1.6 L (97 CID) 1.8 L (110 …
