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
Day of the Dead brought to life by multimedia lightshow
How portable LED lights are helping students in a rural Indian community
An amateur astronomer struggles to find darkness amid the dazzling lights of New York City
