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  2. Pulse-width modulation - Wikipedia

    en.wikipedia.org/wiki/Pulse-width_modulation

    When a digital signal spends more time in the on state than the off state, it has a duty cycle of >50%. When a digital signal spends more time in the off state than the on state, it has a duty cycle of <50%. Here is a pictorial that illustrates these three scenarios: History. The Corliss steam engine was patented in 1849. It used pulse-width ...

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    Target — $10 off eyewear and contact lenses and 50% off prescription eyewear for AARP members. Ages 60 and older. Kohl's — 15% discount every Wednesday on select brands.

  5. Magnetohydrodynamic generator - Wikipedia

    en.wikipedia.org/wiki/Magnetohydrodynamic_generator

    A magnetohydrodynamic generator ( MHD generator) is a magnetohydrodynamic converter that transforms thermal energy and kinetic energy directly into electricity. An MHD generator, like a conventional generator, relies on moving a conductor through a magnetic field to generate electric current. The MHD generator uses hot conductive ionized gas (a ...

  6. Commercial Utility Cargo Vehicle - Wikipedia

    en.wikipedia.org/wiki/Commercial_Utility_Cargo...

    Organised by. Chrysler Corp. (1976–1977) General Motors. (1984–2005) AM General. (2005–present) U.S. Armed Forces. The Commercial Utility Cargo Vehicle ( CUCV) (later Light Service Support Vehicle (LSSV)) (CUCV / ˈkʌkviː / KUK-vee) [1] is a vehicle program instituted to provide the United States military with light utility vehicles ...

  7. Radar beacon - Wikipedia

    en.wikipedia.org/wiki/Radar_beacon

    In the United States a longer duty cycle is used, 50% for battery-powered buoys (20 seconds on, 20 seconds off) and 75% for on-shore beacons. Ramarks are wide-band beacons which transmit continuously on the radar bands without having to be triggered by an incoming radar signal. The transmission forms a line of Morse characters on the display ...

  8. Codemasters - Wikipedia

    en.wikipedia.org/wiki/Codemasters

    The Codemasters Software Company Limited ( trade name: Codemasters) is a British video game developer and former publisher based in Southam, England, which is a subsidiary of American corporation Electronic Arts and managed under its EA Sports division. Founded by brothers Richard and David Darling in October 1986, Codemasters is one of the ...

  9. Hydroelectricity - Wikipedia

    en.wikipedia.org/wiki/Hydroelectricity

    Hydroelectricity. The Three Gorges Dam in Central China is the world's largest power-producing facility of any kind. Hydroelectricity, or hydroelectric power, is electricity generated from hydropower (water power). Hydropower supplies one sixth of the world's electricity, almost 4,500 TWh in 2020, which is more than all other renewable sources ...

  10. Pulse generator - Wikipedia

    en.wikipedia.org/wiki/Pulse_generator

    For example, the pulse repetition rate and duration may be digitally controlled but the pulse amplitude and rise and fall times may be determined by analog circuitry in the output stage of the pulse generator. With correct adjustment, pulse generators can also produce a 50% duty cycle square wave. Pulse generators are generally single-channel ...

  11. Submarine communications cable - Wikipedia

    en.wikipedia.org/wiki/Submarine_communications_cable

    A cross section of the shore-end of a modern submarine communications cable. 1 – Polyethylene. 2 – Mylar tape. 3 – Stranded steel wires. 4 – Aluminium water barrier. 5 – Polycarbonate. 6 – Copper or aluminium tube. 7 – Petroleum jelly. 8 – Optical fibers.