It’s a bit like kicking a football in a valley
2015 is the International Year of Light and Light-based Technologies (IYL 2015), as declared by the United Nations.
An amateur astronomer struggles to find darkness amid the dazzling lights of New York City
An introduction to the International Year of Light and Light-based Technologies (IYL 2015)
How portable LED lights are helping students in a rural Indian community
Light-based technologies wow the crowds at Birmingham’s new central library
