Living bacteria embedded in silicone can absorb green LED light and re-emit it as red, offering a potential sustainable ...

Courtesy of Celluma. Image treatment by Ashley Peña. We may receive a portion of sales if you purchase a product through a link in this article. Over the past couple of years, we’ve witnessed a surge ...

LED, or light emitting diode therapy, is a skincare treatment that uses varying wavelengths of light, including red and blue. NASA originally developed it for plant growth experiments on shuttle ...

LED light therapy is a popular noninvasive skin treatment for acne, sun damage, wounds, and other skin problems. People can choose to have LED light therapy at a dermatologist’s office or to use a ...

A white LED delivers a wide color spectrum and better visibility than do monochromatic LEDs. However, a white LED presents a higher forward-voltage drop than do its colorful counterparts and thus ...

Free Luxeon-based photoflash design delivers up to 142 lux at 1/2 m A reference design for incorporating a Luxeon LED-based photoflash into a cell phone or other space-constrained handheld photography ...