Today's busy roadways need signal lights to keep traffic flowing and prevent accidents. Here's what the traffic light symbols ...

A newly developed white organic light-emitting diode operates at under 1.5 volts, report researchers from the Institute of Science Tokyo. By using triplet–triplet annihilation to generate blue light ...

In a world of shadows and complexity, sometimes all it takes is a single line of light to reveal depth, hope, or truth. This ...

As technology advances, photonic systems are gaining ground over traditional electronics, using light to transmit and process ...

If there’s a shade famous for its ability to boost moods and inspire smiles, it’s yellow. At the same time, yellow is a color ...