More than one-fifth of US electricity is used to power artificial lighting. Light-emitting diodes based on group III/nitride semiconductors are bringing about a revolution in energy-efficient lighting ...

For the first time in its history, the LED crown atop San Francisco’s Salesforce Tower will feature a video installation ...

After 16 weeks of testing, we noticed visible results. Here are our favorite red light therapy devices for hair growth.

The John Gore Foundation is the premiere sponsor of Manhattan Theatre Club's Lights Up! program, which for more than 35 years ...