Rice and dye media tests

Seeing as last year I put a ton of things on a bass speaker, I wanted to experiment with the things that I used and put them to use in different ways to make up different ways of movement. Seeing as rice was quite a significant item I thought about using it as a way of movement but not in the rice moving, but enabling something else to move through it, this is the results I go, they are pretty cool! But anyway, take a look at this video showing what I'm talking about...