Alva Review-Courier -

If you have been to the ocean, you may have witnessed the overpowering energy in waves. Wave motion is usually caused by the wind and affects the water from the surface all the way to the bottom. When waves reach the shore, they “break” or tumble over, only to return to sea in an undertow or rip current.

A less predictable wave is the tsunami. They are caused by undersea earthquakes, the greatest of modern time occurring in the Indian Ocean in late December of 2004.

Tides are also waves, caused by the gravitational pull of the Moon and Sun. With all the talk of green energy, why not capture th...