The waterwheel is an ancient technology that converts the energy of rushing water to human use. Mostly used for milling grain in ancient times, the simplest waterwheel has a series of submerged paddles fanning out from a vertical shaft. The moving...

A water turbine is a rotary engine that takes energy from moving water. Water turbines were developed in the nineteenth century and were widely used for industrial power prior to electrical grids. Now they are mostly used for electric power generation....

The government wants to know what people think about generating energy from wind, currents and waves off the South Carolina coast.The idea is to harvest energy from wind and water turbines and send the power back to shore through cables.The greatest potential for wind energy...