The Santa Monica ad agency RPA cut half-inch grooves into a quarter-mile stretch of Avenue K, in the exurban L.A. desert city of Lancaster. The grooves were synched in such a way that driving over them at precisely 55mph caused Rossini’s “William Tell Overture” — a.k.a. the Lone Ranger theme — to echo in the air around you. –VSL So how cool would this be for physics, science and math? Lots of concepts to explore in a simple entertaining little Youtube clip. Wonder what it’d take to make your own version? Not necessarily with a real car- maybe a remote controlled model?