26.7Hz (Note A)*Prints are unframed This Photo was created by a physical resonance with the pure sine wave frequency of 26. 7Hz. Light is reflected on the surface of a circular body of water, while being vibrated by Sound. At specific resonant modes, the waves intersect harmoniously, and we see wonderful geometric forms come into being. The pattern appears organically, and this is captured as a long exposure photograph. See behind the scenes here. 'Cymatics' is the