Scarlett Johansson was spotted tumbling and falling while walking on the streets of Glasgow, Scotland. The photo has been photoshopped into several photos and they have become an Internet sensation. I knew it was Scarlett Johansson.
I think this all the time. Try going in pitch black with a picher of water, a flashlight, and a bowl. As you pour the water in to the bowl shine the flashlight across the water. It will move sightly with the light.