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  2. Cargo barrier - Wikipedia

    en.wikipedia.org/wiki/Cargo_barrier

    A cargo barrier acts in many applications including; taxis, luggage / loads, fleet vehicle equipment transport, camping or where a requirement exists to maximise the full load area of the vehicle boot / trunk. This allows the cargo to be loaded higher than the height of the top of the seats, whilst providing an effective barrier between loads ...

  3. Impact attenuator - Wikipedia

    en.wikipedia.org/wiki/Impact_attenuator

    A Fitch barrier consists of sand-filled plastic barrels, usually yellow-colored with a black lid. The "Fitch Highway Barrier System" was invented by race car driver John Fitch after the 1955 24 Hours of Le Mans race when his co-driver, Pierre Levegh rear-ended Austin-Healey driver Lance Macklin at high speed, launching his car through the air ...

  4. Great Filter - Wikipedia

    en.wikipedia.org/wiki/Great_Filter

    The Great Filter is the idea that, in the development of life from the earliest stages of abiogenesis to reaching the highest levels of development on the Kardashev scale, there is a barrier to development that makes detectable extraterrestrial life exceedingly rare. [1] [2] The Great Filter is one possible resolution of the Fermi paradox.

  5. F-shape barrier - Wikipedia

    en.wikipedia.org/wiki/F-shape_barrier

    The F-shape barrier is a concrete crash barrier, originally designed to divide lanes of traffic on a highway. It is a modification of the widely used Jersey barrier design, and is generally considered safer. [1] A parametric study, one that systematically varies the parameters, was done through computer simulations of barrier profiles labeled A ...

  6. Schottky barrier - Wikipedia

    en.wikipedia.org/wiki/Schottky_barrier

    A Schottky barrier, named after Walter H. Schottky, is a potential energy barrier for electrons formed at a metal–semiconductor junction. Schottky barriers have rectifying characteristics, suitable for use as a diode. One of the primary characteristics of a Schottky barrier is the Schottky barrier height, denoted by Φ B (see figure).

  7. Platform screen doors - Wikipedia

    en.wikipedia.org/wiki/Platform_screen_doors

    A difficulty was the fact that some stations are used by different types of trains with different designs, making barrier design a challenge. [72] As of November 2012, only 34 of 235 stations with over 100,000 users per day were able to implement the plan. The ministry stated that 539 of approximately 9,500 train stations across Japan have ...

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