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Before you buy another lightbulb, read this — it might just change how you light your entire home

Don't be fooled into thinking the higher the lumens, the better. "In most homes, you want layers rather than a single ...
The New York Times

Can SAD Lamps Help With Seasonal Depression?

Bright light boxes mimic natural light. We asked experts if they worked. Ask Well Bright light boxes mimic natural light. We asked experts if they worked. Credit...Eric Helgas for The New York Times ...
Wilton Bulletin

At the US Open, tennis stars shine under dark sky-friendly outdoor lights

NEW YORK (AP) — When the court lights flicker on at the U.S. Open, tennis stars shine under illumination designed to cut light pollution. The wedge-shaped lamps around the USTA Billie Jean King ...
IEEE

Metal halide lamps

Abstract: In the last half of the 1960s, new high-intensity discharge light sources based on a halogen cycle have made considerable impact on the lighting market. Such light sources depend on the ...