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  2. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  3. Radar beacon - Wikipedia

    en.wikipedia.org/wiki/Radar_beacon

    When a racon receives a radar pulse, it responds with a signal on the same frequency which puts an image on the radar display. This takes the form of a short line of dots and dashes forming a Morse character radiating away from the location of the beacon on the normal plan position indicator radar display.

  4. Ronald Reagan Ballistic Missile Defense Test Site - Wikipedia

    en.wikipedia.org/wiki/Ronald_Reagan_Ballistic...

    The Ronald Reagan Ballistic Missile Defense Test Site, commonly referred to as the Reagan Test Site (formerly Kwajalein Missile Range), is a missile test range in Marshall Islands (Pacific Ocean). It covers about 750,000 square miles (1,900,000 km 2) and includes rocket launch sites at the Kwajalein Atoll (on multiple islands), Wake Island, and ...

  5. Artificial intelligence - Wikipedia

    en.wikipedia.org/wiki/Artificial_intelligence

    Artificial intelligence (AI), in its broadest sense, is intelligence exhibited by machines, particularly computer systems.It is a field of research in computer science that develops and studies methods and software that enable machines to perceive their environment and use learning and intelligence to take actions that maximize their chances of achieving defined goals. [1]

  6. List of most-viewed YouTube videos - Wikipedia

    en.wikipedia.org/wiki/List_of_most-viewed...

    YouTube is an American video-sharing website headquartered in San Bruno, California.The site indicates view counts of each uploaded video, making it possible to keep track of the most viewed, many of which continue to exist while others are no longer available on the site.

  7. Ballistic missile - Wikipedia

    en.wikipedia.org/wiki/Ballistic_missile

    Replica V-2. One modern pioneer ballistic missile was the A-4, [1] commonly known as the V-2 developed by Nazi Germany in the 1930s and 1940s under the direction of Wernher von Braun. The first successful launch of a V-2 was on October 3, 1942, and it began operation on September 6, 1944, against Paris, followed by an attack on London two days ...

  8. Crash Course (web series) - Wikipedia

    en.wikipedia.org/wiki/Crash_Course_(web_series)

    Crash Course. (web series) Crash Course (sometimes stylized as CrashCourse) is an educational YouTube channel started by John Green and Hank Green (collectively the Green brothers), who became known on YouTube through their Vlogbrothers channel. [2][3][4] Crash Course was one of the hundred initial channels funded by YouTube's $100 million ...

  9. Iron Dome - Wikipedia

    en.wikipedia.org/wiki/Iron_Dome

    The EL/M-2084 active electronically scanned array scaled down derivative radar of the Iron Dome. US Ambassador Dan Shapiro visits the Battle Management & Control (BMC) unit of the Iron Dome in 2011. Iron Dome (Hebrew: כִּפַּת בַּרְזֶל, romanized:Kippat Barzel) is an Israeli mobile all-weather air defense system, [ 8 ] developed ...