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  2. Quizlet - Wikipedia

    en.wikipedia.org/wiki/Quizlet

    Andrew Sutherland left Quizlet at age 30 in 2020, [21] citing disagreements with the executive team and a desire for a change. [12] During the COVID-19 pandemic, Glotzbach announced he was opening Quizlet's premium service, Quizlet Teacher, for free to all users who have an account registered as a teacher. [22]

  3. Improvised explosive device - Wikipedia

    en.wikipedia.org/wiki/Improvised_explosive_device

    An IED has five components: a switch (activator), an initiator (fuse), container (body), charge (explosive), and a power source (battery). An IED designed for use against armoured targets such as personnel carriers or tanks will be designed for armour penetration, by using a shaped charge that creates an explosively formed penetrator. IEDs are ...

  4. Counter-IED equipment - Wikipedia

    en.wikipedia.org/wiki/Counter-IED_equipment

    Joint IED Neutralizer (JIN): In 2005, Ionatron attempted to develop an anti IED device that would "zap" IEDs from a distance by using lasers to ionize the air and allow man-made lightning to shoot towards the devices detonating them at a safe distance. By using femtosecond lasers light pulses that last less than a ten-trillionth of a second JIN ...

  5. Intelligent electronic device - Wikipedia

    en.wikipedia.org/wiki/Intelligent_electronic_device

    In the electric power industry, an intelligent electronic device (IED) is an integrated microprocessor-based controller of power system equipment, such as circuit breakers, transformers and capacitor banks.

  6. IED - Wikipedia

    en.wikipedia.org/wiki/IED

    Download QR code; Print/export Download as PDF; Printable version; In other projects Wikidata item; Appearance. move to sidebar hide ... IED may refer to: Devices

  7. Counter-IED efforts - Wikipedia

    en.wikipedia.org/wiki/Counter-IED_efforts

    Counter-IED, or C-IED, is usually part of a broader counter-terrorism, counter-insurgency, or law enforcement effort. Because IEDs are a subset of a number of forms of asymmetric warfare used by insurgents and terrorists, C-IED activities are principally against adversaries and not only against IEDs. C-IED treats the IED as a systemic problem ...

  8. Rhino Passive Infrared Defeat System - Wikipedia

    en.wikipedia.org/wiki/Rhino_Passive_Infrared...

    The Rhino Passive Infrared Defeat System (also known simply as Rhino) was an early detonation Counter-IED system. It was mounted to the front of a vehicle and used heat to prematurely detonate any hidden improvised explosive devices (IEDs) while the vehicle was at a safe distance away from the blast.

  9. External ventricular drain - Wikipedia

    en.wikipedia.org/wiki/External_ventricular_drain

    The EVD is leveled to a common reference point that corresponds to the skull base, usually the tragus or external auditory meatus.The EVD is set to drain into a closed, graduated burette at a height corresponding to a particular pressure level, as prescribed by a healthcare professional, usually a neurosurgeon or neurointensivist.