Blue Light and Sleep Disruption

Blue Light and Sleep Disruption

The media has given a fair amount of attention to the problem of blue light disrupting our normal circadian rhythm, making it more difficult for some people to fall asleep after reading portable displays or watching television. Apple has introduced a new Night...
Light Can Help Save Premature Babies

Light Can Help Save Premature Babies

Why is the ocean blue? And what does that have to do with premature babies? The ocean is blue because water acts like a color filter, absorbing the red portion of the spectrum, and reflecting back shades of blue. The fact that different substances absorb different...
Lightweight Heart Monitor Needs No Chest Strap

Lightweight Heart Monitor Needs No Chest Strap

A spin-off from Nokia, PulseOn has developed a new heart monitor. Unlike traditional designs, the wrist-wearable device does not require a separate chest strap. And the PulseOn has been demonstrated to be as accurate as a standard ECG machine. One key to its accuracy...