Across highways, parking lots, and neighborhood streets, drivers are noticing an eerie violet glow where familiar white ...
SIOUX CITY, Iowa (Sioux City Journal) — Over the last few years, defective LED streetlights in Sioux City have been showing their true colors, casting a garish purple- or violet-ish hue over streets ...
If you've spotted spooky purple streetlights in the middle of summer, they probably aren't a sign that a neighborhood has started celebrating Halloween early this year. Instead, the violet hue seen ...
I have always used those terms interchangeably but I have come across quite a few people recently who see them as different. No. I don't see those dark colors very well, like I can't often tell the ...
We are faced with a global epidemic of myopia (short-sightedness) because we are deprived of deep violet light (360-400 nm). Myopia is projected to rise from 23 to 50 percent of the world’s population ...