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  2. Honda B engine - Wikipedia

    en.wikipedia.org/wiki/Honda_B_engine

    The B-series are a family of inline four-cylinder DOHC automotive engines introduced by Honda in 1988. Sold concurrently with the D-series which were primarily SOHC engines designed for more economical applications, the B-series were a performance option featuring dual overhead cams along with the first application of Honda's VTEC system (available in some models), high-pressure die cast ...

  3. Wavelength selective switching - Wikipedia

    en.wikipedia.org/wiki/Wavelength_Selective_Switching

    The concept is illustrated in Figure 3 (to be uploaded). [3] A diffraction grating breaks the incoming light into a spectrum. A software controlled binary liquid crystal stack, individually tilts each optical channel and a second grating (or a second pass of the first grating) is used to spectrally recombine the beams.

  4. Volvo Redblock Engine - Wikipedia

    en.wikipedia.org/wiki/Volvo_Redblock_Engine

    B234F engine. Introduced in 1988 for the 740 GLE (and later used in the 940/960), The 16-Valve Redblock motors were offered in both a 2.0–litre Turbo (B204FT/GT) and a 2.3–litre 155 PS (114 kW) Naturally aspirated version (B234F). The head was designed for Volvo by either Cosworth or Porsche. [citation needed]

  5. Residual-current device - Wikipedia

    en.wikipedia.org/wiki/Residual-current_device

    A residual-current device (RCD), residual-current circuit breaker (RCCB) or ground fault circuit interrupter (GFCI) [a] is an electrical safety device that interrupts an electrical circuit when the current passing through a conductor is not equal and opposite in both directions, therefore indicating leakage current to ground or current flowing to another powered conductor.

  6. 3-way lamp - Wikipedia

    en.wikipedia.org/wiki/3-way_lamp

    A 3-way lamp, also known as a tri-light, is a lamp that uses a 3-way light bulb to produce three levels of light in a low-medium-high configuration. A 3-way lamp requires a 3-way bulb and socket, and a 3-way switch. In 3-way incandescent light bulbs, each of the filaments operates at full voltage. Lamp bulbs with dual carbon filaments were ...

  7. Proportional–integral–derivative controller - Wikipedia

    en.wikipedia.org/wiki/Proportional–integral...

    A proportional–integral–derivative controller (PID controller or three-term controller) is a control loop mechanism employing feedback that is widely used in industrial control systems and a variety of other applications requiring continuously modulated control.

  8. SpaceX Starlink has 2,500 airplanes under contract after ...

    www.aol.com/news/spacex-starlink-2-500-airplanes...

    Updated September 17, 2024 at 8:24 PM. A plane takes off as others sit on a runway at Denver International Airport in 2020. PARIS — SpaceX nearly doubled its backlog of Starlink in-flight Wi-Fi ...

  9. General Atomics MQ-9 Reaper - Wikipedia

    en.wikipedia.org/wiki/General_Atomics_MQ-9_Reaper

    The General Atomics MQ-9 Reaper (sometimes called Predator B) is an unmanned aerial vehicle (UAV, one component of an unmanned aircraft system (UAS)) capable of remotely controlled or autonomous flight operations, developed by General Atomics Aeronautical Systems (GA-ASI) primarily for the United States Air Force (USAF).