When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Illuminating Engineering Society (IES) and AVIXA have released their new standard Recommended ...
Night sky viewing is the fastest-growing visitor activity in U.S. parks. The Illuminating Engineering Society (IES) and the National Park Service (NPS) have taken on the challenge to improve outdoor ...
The Illuminating Engineering Society (IES) recently introduced ANSI/IES RP-45-21 Recommended Practice: Horticultural Lighting. This standard describes the differences between architectural and ...
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