Sound Visualization Trick Works Like an Audio Spirograph

There's not a whole lot of explanation attached to this video clip, but this is either white sand, powder or flour (or maybe it's a zillion dollars' worth of coke) showing the shape of sound. The sound waves make the tiny particles organize themselves into symmetrical patterns. We found ourselves mesmerized by the… » 10/25/07 12:04pm 10/25/07 12:04pm