Purple streetlights cast a mysterious, eerie and fleeting glow across the nation
A purple wave of faulty streetlights has swept across the USA, generating incorrect theories, bad lighting and fans of an ...
Hosted on MSN2mon
Why Are Some Streetlights Purple?
According to Scientific American, the purple hue isn’t exactly intentional. For years, cities have been upgrading public lighting infrastructure, going from sodium lamps to LED (light emitting ...