A purple wave of faulty streetlights has swept across the USA, generating incorrect theories, bad lighting and fans of an ...
According to Scientific American, the purple ... to LED (light emitting diode) lighting for the cost savings in much the same way consumers have been unscrewing old incandescent bulbs in their ...
And it's also important to recognize that something as simple as putting a purple bulb in your porch light can have a very real impact. The National Domestic Violence Hotline reports that they see ...