A tiny light-emitting diode has set a speed record for its design while consuming just 25 milliwatts of electrical power.

Champaign's Grainger College of Engineering and the University of Notre Dame has broken the world record for optical switching speed in quantum well LEDs. The gallium nitride micro-LED device has an ...

Researchers develop a gallium nitride micro-LED that achieves 2.75 GHz optical bandwidth while consuming just 25 milliwatts.

Champaign's Grainger College of Engineering and the University of Notre Dame has broken the world record for optical ...

A hydroponic nutrient combination of potassium phosphate and sodium chloride raised saponarin in young barley leaves to ...

Photo=Seoul Semiconductor LED (light-emitting diode) specialist Seoul Semiconductor announced on the 28th that it has ...

Grow guides say vegetative plants want 500 to 800 PPFD. Outdoors, plants vegetate in summer sun at nearly twice that and ...

A multipass integrating-sphere method measures scattering and absorption losses in YAG and Yb:YAG ceramics with sevenfold ...

Light pollution is often discussed as a problem for people trying to see the Milky Way. But artificial light also reaches ...

The lighting system at the Brandenburg Gate is showing its age. That's set to change. In the meantime, there's a so-called ...

Walk into a vertical farm and the first thing you notice is how little it resembles a farm. There's no soil and no sky.