Engineers are turning what used to be a bulky optics bench into something that fits on the tip of a finger, and the latest photonic chips go a step further by splitting a single laser into a ...

Lighting has a powerful effect on our circadian rhythms, mood, and overall quality of sleep. As more people become aware of how their environment affects rest, a common question arises: what is the ...

Certain types of light can affect your mood and quality of sleep. Red light may help, while blue light from phones or screens could interfere with falling asleep or the quality of your rest. You may ...