If you visit almost any home during the month of December then you’ll very often see a wide array of lights put up as Christmas decorations. While the

You have probably walked into an office, hotel, or hospital and seen how light is diffused in there. If you did not notice the diffusion, then you could be forgiven because a well-lit room causes comfort and relaxation- there is nothing negative to attract your attention. And the opposite is true: a poorly-lit room is …