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  2. Transverse wave - Wikipedia

    en.wikipedia.org/wiki/Transverse_wave

    Mathematically, the simplest kind of transverse wave is a plane linearly polarized sinusoidal one. "Plane" here means that the direction of propagation is unchanging and the same over the whole medium; "linearly polarized" means that the direction of displacement too is unchanging and the same over the whole medium; and the magnitude of the displacement is a sinusoidal function only of time ...

  3. Computer mouse - Wikipedia

    en.wikipedia.org/wiki/Computer_mouse

    Because the IBM PC did not have a quadrature decoder built in, early PC mice used the RS-232C serial port to communicate encoded mouse movements, as well as provide power to the mouse's circuits. The Mouse Systems Corporation (MSC) version used a five-byte protocol and supported three buttons.

  4. 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]

  5. Vienna - Wikipedia

    en.wikipedia.org/wiki/Vienna

    The four-power occupation of Vienna differed in one key respect from that of Berlin: the central area of the city, known as the first district, constituted an international zone in which the four powers alternated control on a monthly basis. The city was policed by the four powers on a day-to-day basis using the "four soldiers in a jeep" method ...

  6. Iowa - Wikipedia

    en.wikipedia.org/wiki/Iowa

    Iowa (/ ˈ aɪ. ə w ə / ⓘ EYE-ə-wə) [6] [7] [8] is a state in the upper Midwestern region of the United States.It borders the Mississippi River to the east and the Missouri River and Big Sioux River to the west; Wisconsin to the northeast, Illinois to the east and southeast, Missouri to the south, Nebraska to the west, South Dakota to the northwest, and Minnesota to the north.

  7. Renewable energy in Russia - Wikipedia

    en.wikipedia.org/wiki/Renewable_energy_in_Russia

    Geothermal energy is the second most used form of renewable energy in Russia but represents less than 1% of the total energy production. The first geothermal power plant in Russia was built at Pauzhetka, Kamchatka, in 1966, with a capacity of 5 MW. The total geothermal installed capacity in 2005 was 79 MW, with 50 MW coming from a plant at ...

  8. London - Wikipedia

    en.wikipedia.org/wiki/London

    London is an ancient name, attested in the first century AD, usually in the Latinised form Londinium. [36] Modern scientific analyses of the name must account for the origins of the different forms found in early sources: Latin (usually Londinium), Old English (usually Lunden), and Welsh (usually Llundein), with reference to the known developments over time of sounds in those different languages.

  9. HAL Tejas - Wikipedia

    en.wikipedia.org/wiki/HAL_Tejas

    The HAL Tejas (Sanskrit: तेजस, ISO: Tējasa, lit. ' Radiance ') is an Indian single-engine, delta wing, multirole [9] combat aircraft designed by the Aeronautical Development Agency (ADA) and manufactured by Hindustan Aeronautics Limited (HAL) for the Indian Air Force (IAF) and Indian Navy.