FIRES | Circadian Lighting: An Engineer’s Perspective

05/09/19 • 22 min

Whether you call it “circadian lighting,” “biologically effective lighting,” or some other name, the principle is the same: the color and intensity of light can be used to regulate the timing of our biological clocks, or “circadian rhythms.” For architects and lighting designers, this is an opportunity to provide healthy and comfortable environments for building occupants.

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Forces of Change | Randy Reid

Mark Lien chats with IES Past President and editor of the Edison Report Randy Reid about the 20th Anniversary of the Edison Report, the importance of integrity in reporting, the invasion of the IT conglomerates into the lighting industry as well as some of the new lighting technologies that he finds fascinating.

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FIRES | Circadian Lighting: a Neuroscientist’s Perspective

The purpose of this article is to evaluate from a biological standpoint the rationale for the establishment of a Circadian Lighting standard put forward by UL under the direction of Dr. Mark Rea of the Lighting Research Center at Rensselaer Polytechnic Institute. This critique is limited in scope but also applies to utilization of the Circadian Stimulus (CS) calculator also developed by the LRC.