According to University of Illinois professor May Berenbaum, men “have a deep-seated instinct to aim at targets” in the urinary sense. Logically, sticking a picture on the back of a urinal will cause men to aim for it like lemmings.
This is where the Thermal Urinal Fly comes in. These Japanese creations are thermally sensitive, so as someone pees on one, the image of the Fly gradually disappears. And by offering up a target/game of sorts, there will theoretically be less mess (provided the sticker is strategically placed. You can get two for $US10, though I’m not sure why anyone would want one for personal use. Do you have a urinal in your house? [White Rabbit Express via Book of Joe via Boing Boing]