Purple Streetlights (11-06-23)
Kwon discusses the implications of the purple LED streetlights appearing worldwide. She reports that “Anecdotal reports of purple-looking streetlights have been popping up. . . . the hue of the light illuminating a roadway could affect how drivers and pedestrians perceive their surroundings as they make their way through the night. And that makes purple streetlights a potential safety hazard. . . . bright purple light suggests the phosphor layer around the lights has been ‘delaminated’—peeled off—exposing the blue LED light underneath. . . .