The movement's motto is "shine a light and save a life." Sometimes victims themselves will use a purple porch light to stand ...

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 ...

I’m wondering about a light that seems to only be on at night on the traffic lights. It’s a small purple or blueish light that’s near the traffic lights. I’ve tried to figure out what its ...

Birds and insects are only able to display purple through structural colouration. This is where tiny structures in the feathers of birds or the scales of butterflies and beetles are used to reflect ...

In fact, when microbial life first began emerging on Earth ... The researchers then measured the purple bacteria’s biopigments and light fingerprints, and created models of Earth-like planets ...

Well—it’s literally years into the plan, and a manufacturer’s defect has caused many of the LED bulbs’ coatings to delaminate, casting a bluish-purple light onto our streets.