David Murphy was formerly the Senior Technology Editor at Lifehacker. Across his 15+ year career in technology journalism, his reviews and how-to guides have appeared in The New York Times, The Wall ...

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 ...

Blue light is a shorter-wavelength colored light found in everything from traditional light bulbs to computer and smartphone screens. Blue light is good for your body during the day, but at night blue ...