3. Lights

Our experience of light begins in early childhood, perhaps even during foetal life. Based on our relationship with the visual environment, this experience also develops within a cultural framework that strongly influences it. In fact, it's hard to disentangle what's personal experience and what's rooted in our roots.

It seems, however, that two ancient references of light still play an important role in our relationship with light: natural light and firelight. These two reference lights have extremely different general characteristics.

Natural light, or more precisely, natural light, always has a high color temperature and therefore contains a high proportion of blue. For example, the color temperature of direct sunlight is around 5,400 K, while that of an overcast sky reaches or exceeds 6,500 K, and that of a blue sky even more. Moreover,...