In 2013, the UN General Assembly proclaimed 2015 as the "International national year of light". The Year of Light is intended to the importance of light as a fundamental prerequisite for life of life. An illustrative infographic about light and its meaning.
Published infographic
Illustration of the key illustration
Timeline of how light became electric (german)
Vitamin D
UV radiation
Pthotosynthesis
Melatonin
Lightbeam
Photovoltaic
LED
Culture
Artificial light
