undetected
51Battle of Mount Tumbledown — Part of Falklands War Mount Tumbledown, Two Sisters, and Wireless Ridge from Stanley Harbour …
52Boeing X-45 — infobox Aircraft name = X 45 type = Unmanned Combat Air Vehicle manufacturer = Boeing Integrated Defense Systems caption = designer = first flight = 22 May 2002 introduction = retired = status = primary user = United States Air Force more users …
53Mount Garibaldi — as seen from Squamish Elevation 2,678 m (8,786 ft) …
54Tupolev Tu-160 — infobox Aircraft name = Tu 160 caption = Tupolev Tu 160 national origin Union of Soviet Socialist Republics type = Strategic bomber manufacturer = Tupolev designer = first flight = 18 December 1981 introduced = 1987/2005 (official) retired =… …
55Pulse oximetry — Pulse oximeter Pulse oximetry is a non invasive method allowing the monitoring of the oxygenation of a patient s hemoglobin. A sensor is placed on a thin part of the patient s body, usually a fingertip or earlobe, or in the case of an infant,… …
56List of rail accidents in the United Kingdom — This list is of railway accidents in Britain sorted chronologically. For a list sorted by death toll see List of British rail accidents by death toll. It does not include incidents that did not involve rolling stock, such as the King s Cross fire …
57Modern naval tactics — A five country multinational fleet, during Operation Enduring Freedom in the Oman Sea. In five descending columns, from the top left to the bottom right: MM Maestrale (F 570); FS De Grasse (D 612), USS John C. Stennis (CVN 74); FS Charles De… …
58Grey hat — A grey hat, in the hacking community, refers to a skilled hacker who sometimes acts legally, sometimes in good will, and sometimes not. They are a hybrid between white and black hat hackers. They usually do not hack for personal gain or have… …
59Click fraud — is a type of Internet crime that occurs in pay per click online advertising when a person, automated script or computer program imitates a legitimate user of a web browser clicking on an ad, for the purpose of generating a charge per click… …
60Data corruption — Photo data corruption; in this case, a result of a failed data recovery from a hard disk drive Data corruption refers to errors in computer data that occur during writing, reading, storage, transmission, or processing, which introduce unintended… …
