laser-submarine detection system
41People's Liberation Army —   中国人民解放军   Emblem of the People s Liberation Army Founded August 1, 1927 Service branches …
42Nuclear weapons and Israel — Israel Nuclear program start date mid to late 1950s[1] First nuclear weapon test Unknown; possible join …
43Asteroid-impact avoidance — Planetary defense redirects here. For defending against alien invasion in fiction, see alien invasion. Artist s impression of a major impact event. The collision between Earth and an asteroid a few kilometres in diameter releases as much energy… …
44List of Russian people — The Millennium of Russia monument in Veliky Novgorod, featuring the statues and reliefs of the most celebrated people in the first 1000 years of Russian history …
45Military helicopter — A Mi 17 and troops, Afghanistan, 2009. A military helicopter is a helicopter that is either specifically built or converted for use by military forces. A military helicopter s mission is a function of its design or conversion. The most common use …
46Lawrence Livermore National Laboratory — Infobox Laboratory name = Lawrence Livermore National Laboratory motto = Science in the national interest established = 1952 by the University of California director = George H. Miller city = Livermore, California budget = US$1.6 billion type =… …
47Magnetometer — A magnetometer is a measuring instrument used to measure the strength or direction of a magnetic field either produced in the laboratory or existing in nature. Some countries such as the USA, Canada and Australia classify the more sensitive… …
48Diffusion of technology in Canada — This article outlines the history of the diffusion or spread of technology in Canada. Technologies chosen for treatment here include, in rough order, transportation, communication, energy, materials, industry, public works, public services… …
49LGM-30 Minuteman — Type Intercontinental ballistic missile Service hist …
50Electronic countermeasures — NOTOC Electronic countermeasures (ECM) are a subsection of electronic warfare which includes any sort of electrical or electronic device designed to trick or deceive radar, sonar, or other detection systems like IR (infrared) and Laser. It may be …
