electric light is now ubiquitous: From the first light bulb up to the present, extremely efficient light-emitting diodes using this electromagnetic radiation in the visible region has been continuously revolutionized – and the development has not yet arrived at its end. Today we use the light in various ways in different disciplines. But the easy access to the generator technology also has its downside: The so-called light pollution obscures our view of the starry sky – and confused nature in many ways. Our compact as the International Year of Light in 2015 therefore represents not only the current state of research and technology, but also deals with the problems posed by our excessive use of bulbs with it.
An enlightening reading wishes you