Light is the visible part of the electromagnetic radiation within a range of 380–780 nm; (400–700 on primates retina). In vertebrates, the retina is adapted to capturing light photons and transmitting ...

Over a thousand participants came to UNESCO on 19-20 January 2015 to learn about the many ways in which light is making a difference in our daily lives and exchange ideas on the solutions light-based ...

If you're being woken up in the middle of the night by the flicking on and off of a sensor light triggered by a plant blowing in the wind, the chances are your neighbours are too. And not just your ...

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 ...

It is International Dark Sky Week, an annual event when stargazers around the world raise awareness of our diminishing night sky. In many bustling cities and towns, bright lights from towering ...

Light sensitivity, or photophobia, is a frequent symptom of migraine headaches, which affect nearly 15 percent of the world’s population. Get more HMS news here. Harvard Medical School researchers at ...

James Turrell: Roden Crater, East Portal. 2010. Photograph by Florian Holzherr, www.architekturfoto.net Light matters, a monthly column on light and space, is written by Thomas Schielke. Based in ...

Blue light is all around you. These high-energy light waves emanate from the sun, stream through earth’s atmosphere, and interact with light sensors in your skin and eyes. Increasingly, people are ...

Bright light therapy is considered a first-line treatment for seasonal affective disorder. Light therapy lamps might come in handy during the months when daylight hours are shorter. When choosing a ...