The mornings are nice and dark now - the best time of year is fast approaching and it brings out a certain oddity in one or two of my work colleagues. I don't know who they are because I never see them do it but it's this : they like working in full-intensity bright light. Our office has strip lighting in ceiling fixtures where one strip is controlled by one circuit, and the other two are controlled by a second circuit. On dark mornings, it's lovely to come in and have subdued lighting - just the one strip per box. But every morning, about 10 minutes after I get in, someone turns them all on and it's blinding white. Makes you squint. It's like working in the glow of a nuclear bomb. So every morning I go and turn the two-bar off again and eventually someone comes in and turns off the one-bar but turns the two-bar back on. It's so bad that I've taken all the lights out of the fixture above my desk and put a sticky note in the fixture telling maintenance not t...