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  2. Sound effect - Wikipedia

    en.wikipedia.org/wiki/Sound_effect

    In order to make the car more ominous or low, they can mix in more of the tailpipe recording; if they want the car to sound like it is running full throttle, they can mix in more of the engine recording and reduce the interior perspective. In cartoons, a pencil being dragged down a washboard may be used to simulate the sound of a sputtering engine.

  3. Practical effect - Wikipedia

    en.wikipedia.org/wiki/Practical_effect

    A location shot for The Black Dahlia with a rainmaking rig, a sprinkler system used to create the appearance of rain—a common practical effect An actor behind-the-scenes with pre-scored "bullet holes" on his costume and squibs blowing open fake blood packets for a gunshot wound stunt.

  4. Frequency illusion - Wikipedia

    en.wikipedia.org/wiki/Frequency_illusion

    The frequency illusion (also known as the Baader–Meinhof phenomenon) is a cognitive bias in which a person notices a specific concept, word, or product more frequently after recently becoming aware of it.

  5. Crankcase ventilation system - Wikipedia

    en.wikipedia.org/wiki/Crankcase_ventilation_system

    Blow-by, as it is often called, is the result of combustion material from the combustion chamber "blowing" past the piston rings and into the crankcase. These blow-by gases, if not ventilated, inevitably condense and combine with the oil vapor present in the crankcase, forming oil sludge.

  6. Phenomenon - Wikipedia

    en.wikipedia.org/wiki/Phenomenon

    The combustion of a match is an observable occurrence, or event, and therefore a phenomenon. A phenomenon (pl.: phenomena), sometimes spelled phaenomenon, is an observable event. [1]

  7. Metamerism (color) - Wikipedia

    en.wikipedia.org/wiki/Metamerism_(color)

    Metameric matches are quite common, especially in near neutral (grayed or whitish colors) or dark colors. As colors become brighter or more saturated, the range of possible metameric matches (different combinations of light wavelengths) becomes smaller, especially in colors from surface reflectance spectra.

  8. False memory - Wikipedia

    en.wikipedia.org/wiki/False_memory

    People were most concerned with the consequences, with 37% saying it was overly manipulative, potentially harmful or traumatic. Their reasons against are that the ends do not justify the means (32%), potential for abuse (14%), lack of consent (10%), practical doubts (8%), better alternative (7%), and free will (3%).

  9. Fresnel diffraction - Wikipedia

    en.wikipedia.org/wiki/Fresnel_diffraction

    Some of the earliest work on what would become known as Fresnel diffraction was carried out by Francesco Maria Grimaldi in Italy in the 17th century. In his monograph entitled "Light", [3] Richard C. MacLaurin explains Fresnel diffraction by asking what happens when light propagates, and how that process is affected when a barrier with a slit or hole in it is interposed in the beam produced by ...