Over the last centuries, physics has studied the phenomenon of \"light\" and revealed its secret: light is the small visible part of electromagnetic radiation. This electromagnetic radiation consists of oscillating energy units (quanta) and is sent in waves from a light source. read more

Why do we feel comfortable in some rooms and not in others? Often, it is due to the skilful use of light and color: Both factors have a great influence on our well-being, affect our mood and our inner clock. No wonder, because 80 percent of all sensory impressions are perceived by the human eye. read more