Simply put, the Incandescent lamp is a hot metal wire (filament) inside a glass jar (the bulb).
‘Incandescent’ means emitting light as a result of being heated, which is how this type of lamp works. Electric current is passed through the wire, which heats up and emits light. The length and diameter of the wire determines the amount of electricity needed to heat the wire and thereby the output intensity of light. Continue reading
The purpose of Daylight in design is to provide visual variety to the interiors by using it as a source of brightness contrasts.
The principal characteristics of Daylight is that it changes with the time of day and year; even surrounding objects, pollution and position of the house will affect how daylight can be utilized as a part of design. Continue reading
Colour is not a physical property of the objects we see, but the light that is reflected back by the surface/object.
Colour results from light waves bouncing off an object; in the case of transparent or semi-transparent objects it would result from light waves passing through it. Therefore the material of the object/surface determines the colour. Continue reading
We all know what Brightness is. However, let’s get a bit technical: In the world of Lighting Design, specifying the direction and distribution of light in a space yields Brightness contrast. Simply put determining the intensity and spread of light over an area results in Brightness levels. Continue reading
Since sight is sensitive to contrasts, the brightness contrast of a space determines its emotional impact. In other words you need to play with contrasting light to create spaces that evoke an emotional response.
Have you ever wondered why candle light makes an evening romantic. Or how conversation becomes more vibrant when the place is bright. This is the magic of light. It creates moods and plays with them. At soft low levels it has a calming effect and as it get brighter it makes life more vibrant. Continue reading
It is a truth universally acknowledged that when there is light we see things and in darkness we don’t. This simple observation leads us to wrongly believe that our eyes perceive the world around us through the amount of light present. Whereas in reality our eyes perceive the world around us by the quantity of contrast present in the light and not the quantity of light itself! Let us find out how. Continue reading