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.
All of these beautiful country women have written about their captions- Taylor Swift (Teardrops on my guitar, Picture to Burn, and more) Carrie Underwood (Before he Cheats) Miranda Lambert (Two Black Cadillacs)