There is plenty of media discussion surrounding the topic of indoor air quality. There have been countless examples over the past few years of carbon monoxide poisonings and methane gas issues. But even with the discussion about indoor air quality occurring, it is still important to recognise that the general public, and in some cases building p...

The total amount of light that illuminates surface is known as lux. These are described as units of brightness. If a light-emitting device is closer to a surface, the higher the lux will be. This brightness exists on a sliding scale. For example, if you could imagine a dark room and a single light hovering over a table, the light being emitted o...