The other morning I was brewing my first herbal tea of the day. I was using a small steel infuser ball, and it was sitting in a glass cup. Just at that moment the sun streamed through a temporary gap in the clouds, and bathed everything in warm light. I picked the cup up ready to leave for my computer, and about a second later my brain issued a stop notice. I had seen a particularly lovely reflection from the light going through the cup and onto the counter. I was going to ignore it, and get on with work, but instead, I quickly found my camera, replaced the cup…