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  2. Parabolic aluminized reflector - Wikipedia

    en.wikipedia.org/wiki/Parabolic_aluminized_reflector

    For example, a PAR16 lamp is approximately 2 inches or 50.8 mm in diameter. [1] The size of rectangular PAR lamps is expressed as the letters REC followed by the reflector's mouth height, the letter "X", and the reflector's mouth width—with both dimensions in millimeters. For example, REC142X200 lamps are 142 high and 200 mm wide. [2] [3]

  3. L Prize - Wikipedia

    en.wikipedia.org/wiki/L_Prize

    The L-Prize competition was designed to spur development of LED light replacements for 60W incandescent lamps and PAR38 halogen lamps as well as an ultra-efficient "21st Century Lamp". [1] It was established by the United States Department of Energy (DOE) as directed by the Energy Independence and Security Act of 2007. The original competition ...

  4. Lightbulb socket - Wikipedia

    en.wikipedia.org/wiki/Lightbulb_socket

    Skirted (PAR-38) The light bulb commonly used since the early 20th century for general-purpose lighting applications, with a pear-like shape and an Edison screw base, is referred to as an "A-series light bulb." This most common general purpose bulb type would be classed as "A19/E26" or the metric version "A60/E27".

  5. Electron-stimulated luminescence - Wikipedia

    en.wikipedia.org/wiki/Electron-stimulated...

    The first commercially available ESL product was a reflector bulb. Drawbacks include high weight, a slightly larger-than-normal base and – as with all cathode ray tubes – when switched on, a slight delay before illumination begins and a static charge which attracts dust to the bulb face. As of 2016 the cost is higher and claimed efficiency ...

  6. Online disinhibition effect - Wikipedia

    en.wikipedia.org/wiki/Online_disinhibition_effect

    The online disinhibition effect refers to the lack of restraint one feels when communicating online in comparison to communicating in-person. [1] People tend to feel safer saying things online that they would not say in real life because they have the ability to remain completely anonymous and invisible when on particular websites, and as a result, free from potential consequences. [2]

  7. Barnum effect - Wikipedia

    en.wikipedia.org/wiki/Barnum_effect

    The Barnum effect, also called the Forer effect or, less commonly, the Barnum–Forer effect, is a common psychological phenomenon whereby individuals give high accuracy ratings to descriptions of their personality that supposedly are tailored specifically to them, yet which are in fact vague and general enough to apply to a wide range of people. [1]

  8. 50 common hyperbole examples to use in your everyday life

    www.aol.com/news/50-common-hyperbole-examples...

    Ahead, we’ve rounded up 50 holy grail hyperbole examples — some are as sweet as sugar, and some will make you laugh out loud. 50 common hyperbole examples I’m so hungry, I could eat a horse.

  9. Ambiguous image - Wikipedia

    en.wikipedia.org/wiki/Ambiguous_image

    Ambiguous images are important to the field of psychology because they are often research tools used in experiments. [3] There is varying evidence on whether ambiguous images can be represented mentally, [ 4 ] but a majority of research has theorized that mental images cannot be ambiguous.