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Matthew Luckiesh DSc, DE, (September 14, 1883 Maquoketa, Iowa – November 2, 1967 Shaker Heights, Ohio) was a physicist and, as the Director of General Electric's Lighting Research Laboratory at its Nela Park National Lamps Works facility in East Cleveland, Ohio, he pursued research on light and vision. [1]
It is harder to find something on the part of the floor that is not well lit. The streetlight effect, or the drunkard's search principle, is a type of observational bias that occurs when people only search for something where it is easiest to look. [1] Both names refer to a well-known joke:
Physical fatigue is caused by walking for extended periods of time or attempting to view poorly placed exhibits or labels. [7] This aspect played a significant role in the first description of museum fatigue by Gilman. [6] Mental fatigue comes from a prolonged period of remaining highly attentive to the exhibits.
Light pollution is the presence of any unwanted, inappropriate, or excessive artificial lighting. [1] [2] In a descriptive sense, the term light pollution refers to the effects of any poorly implemented lighting sources, during the day or night.
Candle-lit vigils and rallies were held across South Korea on Wednesday, a nation outraged and frustrated by the president’s surprise declaration of martial law the night before called for his ...
In visual perception, flicker is a human-visible change in luminance of an illuminated surface or light source which can be due to fluctuations of the light source itself, or due to external causes such as due to rapid fluctuations in the voltage of the power supply (power-line flicker) or incompatibility with an external dimmer.
Light conditions may be considered gloomy when the level of light in an environment is too low for the proper function of cone cells, and colour vision is lost. [1] In a study by Rothwell and Campbell, light levels described as "gloomy" fell between 28 and 3.6 cd/m 2.
2/5 The ‘Wonder Woman’ star leads a movie from the ‘Ghosted’ and ‘Without Remorse’ school of instantly forgettable straight-to-streaming action vehicles