However LED diodes don’t produce white light naturally ... Across the country, photographers are rapturous over the mysterious purple glow being cast by the malfunctioning streetlights that ...

The semiconductor light-emitting diode, or LED, is a key component of today's technology. Modern households have numerous tiny glowing indicators — provided by LEDs — that are used for reading ...

A purple wave of faulty streetlights has swept across the USA, generating incorrect theories, bad lighting and fans of an accidental aesthetic.