cutoff operation
51Northeast blackout of 2003 — States and provinces that experienced the blackout; not all areas within these political boundaries were affected. The Northeast blackout of 2003 was a widespread power outage that occurred throughout parts of the Northeastern and Midwestern… …
52Electronic filter — Electronic filters are electronic circuits which perform signal processing functions, specifically intended to remove unwanted signal components and/or enhance wanted ones. Electronic filters can be:*passive or active *analog or digital *discrete …
53Water heating — is a thermodynamic process using an energy source to heat water above its initial temperature. Typical domestic uses of hot water are for cooking, cleaning, bathing, and space heating. In industry, both hot water and water heated to steam have… …
54Philadelphia, Wilmington and Baltimore Railroad — Locale Pennsylvania, Delaware and Maryland Dates of operation 1836–1902 Successor Philadelphia, Baltimore and Washington Railroad Track gauge 4 ft 8 …
55Historic ferries in Oregon — are water transport ferries that operated in Oregon Country, Oregon Territory, and the state of Oregon, United States. These ferries allowed people to cross bodies of water, mainly rivers such as the Willamette in the Willamette Valley, and the… …
56Brevity code — Contents 1 American/NATO codes 1.1 A 1.2 B 1.3 C …
57Drone attacks in Pakistan — Part of the War on Terrorism, War in North West Pakistan, War in Afghanistan (2001–present) Date 18 June 2004 – present Location …
581954 Guatemalan coup d'état — The 1954 Guatemalan coup d état was a covert operation organized by the United States Central Intelligence Agency to overthrow Jacobo Árbenz Guzmán, the democratically elected President of Guatemala. Árbenz s government put forth a number of new… …
59Vietnam War — Part of the Cold War and the Indochina Wars …
60MOS Technology SID — MOS Technology SIDs. The right chip is a 6581 from MOS Technology, known at the time as the Commodore Semiconductor Group (CSG.) The left chip is an 8580, also from MOS Technology. The numbers 0488 and 3290 are in WWYY form, i.e. the chips were… …
