The sun is the greatest source of blue light. Natural blue light helps regulate your circadian rhythm, or wake-and-sleep cycle. Sunlight is also instrumental in children's eye development.

Light is a type of energy which comes from a light source (something which produces light energy). We need light for our eyes in order to see, if they are able. Light sources can be natural such ...

Natural light, essential for human health, regulates circadian rhythms, aids in melatonin production, and prevents computer vision syndrome. Our curre ...

Only LEDs, which produce no ultraviolet light, completely protect fabrics and art from fading. Even if you are using LED sources, however, most rooms have windows that allow natural light in during ...