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The Blue Light Special was a sale promotion within the store for a short period within store hours only. It was advertised using a rotating blue light, in the same style a police car used, and was announced over the store public address system with the phrase "attention Kmart shoppers", a phrase which became a pop culture reference. [33]
Attention Kmart shoppers: The struggling discount chain is bringing back the 'Bluelight Special.'
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Blue light, a type of high-energy light, is part of the visible light spectrum. High-energy visible light (HEV light) is short-wave light in the violet/blue band from 400 to 450 nm in the visible spectrum, which has a number of purported negative biological effects, namely on circadian rhythm and retinal health (blue-light hazard), which can lead to age-related macular degeneration.
f.lux (pronounced "flux") is a cross-platform computer program that adjusts a display's color temperature according to location and time of day, offering functional respite for the eyes. The program is designed to reduce eye strain during night-time use, helping to reduce disruption of sleep patterns. [ 2 ][ 3 ]
In another, Kmart reminds a twitter user they're still available for customers' online shopping needs. "Don't forget you can shop online with us 24/7 at Kmart.com," the reply reads.
The Atari ST series has a digital-to-analog converter of 3-bits, eight levels per RGB channel, featuring a 9-bit RGB palette (512 colors).Depending on the (proprietary) monitor type attached, it displays one of the 320×200, 16-colors and 640×200, 4-colors modes with the color monitor, or the high resolution 640×400 black and white mode with the monochrome monitor.
The blue light spectrum is an essential part of the visible spectrum with wavelengths of about 400-480 nm. [1] Blue light is primarily generated by Light-Emitting Diodes (LED) lighting and digital screens, it has now become prevalent in the world around us. [2] LED lighting creates white light by combining blue light with other wavelengths ...