Another theme in this exhibition is the repetition of forms in different scales. This photograph, about life size, shows ripples in a tidal pool in the Moors, a salt marsh, near the end of Bradford Street. The image reflects an aerial view of the ocean waves breaking on the Atlantic shore of the Cape: parallel sets of waves striking the shoreline at an oblique angle. Waves are formed when wind blows across the ocean surface. They are the flow of energy along the interface of fluids of different densities. Only the energy flows through the ocean. The water moves in circles below the surface. When these circles touch the ocean floor, the circles flatten out and move in a back and forth motion, creating ripples. Eventually, the wave becomes top heavy as a result of the floor impeding the circular movement and the waves become unstable and break. The size and strength of waves is the result of the force of the wind and the physical length, or fetch, that the wind blows over the sea. On Cape Cod, winds blowing from the east move sand and other glacial materials north to Provincetown and south to Monomoy.   Peter@PeterRomanelli.com    508-487-4570