Dark Sky Consulting Blog - DARK SKY CONSULTING, LLC
TIL since 2020, white LED streetlights have been turning purple because of a defect during the manufacturing process between 2017 and 2019. The yellow phosphor coating was delaminating, and the blue LED
Why Faulty Streetlights Are Turning Cities Purple — and Why It's Worrisome
Streetlights Are Mysteriously Turning Purple. Here's Why | Scientific American
Why thousands of city street lights are turning purple | CBC News
Purple rays: Why some Long Beach streetlights emit a psychedelic hue • Long Beach Post News