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.
abbydraws: YangchenMy submission piece which was accepted for Gallery Nucleus’ Avatar/Korra Show! (March this was inspired by the Tian Tan Buddha in Hong Kong.Happy Anniversary to Avatar:the Last Airbender!Print now available at Gallery Nucleus Store
Dreamriders - Chapter 4 by BorjaPindado on deviantART …and, almost instantly, a great blue tree exploded from the ground. I glowed, and lit up the night. It shone brighter than the stars themselves… blue tree