A source of photons is a very convenient tool for physicists
2015 is the International Year of Light and Light-based Technologies (IYL 2015), as declared by the United Nations.
The New York photographers who are defying the digital trend
An amateur astronomer struggles to find darkness amid the dazzling lights of New York City
How portable LED lights are helping students in a rural Indian community
A short film exploring the vital role that light plays in regulating the sleep-wake cycle