The Fluorescent Back Yard

And, a scorpion! Some years ago, I bought a long wave 365nm UV flashlight through a group purchase the local geology club made. I had a few UV flashlights, cheap "scorpion lights" you see at gift shops. But it turns out the cheap lights don't really show the fluorescent colors of most rocks very well; this one was recommended by an expert in the geology club as a low-cost entry to seeing…