About light
Light is life. It provides energy and security, promotes wellbeing and health.
Light has always been fascinating – and an intriguing medium for artists and architects. Brightness and shadow, colours and contrasts impact not only on the atmosphere of a room or the mood of the moment; they also affect our biorhythms.
Light affects us in all sorts of ways. Its impacts go far beyond just enabling us to see and identify objects. So to use light effectively, we need to know a bit about the physics and physiology of lighting.
What is light?
In physical terms, light is the relatively narrow band of electromagnetic radiation to which the human eye is sensitive.
More about the nature of light
Light and vision
Our eyes gather more than 80 percent of all the information about our surroundings that reaches our brain. Endowed with astonishing abilities, they work in a way similar to a camera.
A brief history of lighting
Human beings started using fire as a source of warmth and light around 300,000 years ago. However, the age of electric lighting did not dawn until the invention of the incandescent lamp in the late 19th century.
