The world is changing rapidly. A single technological development can lead to an infinite number of consequential developments, each of which having varying impacts on humanity. These impacts, or indicators, display the results of technological development. Climactic, economic, social, and ene...

Wind Turbine Technology Since early history, people have been harnessing the energy of the wind. Wind energy propels boats along rivers, simple windmills, and pumping water as early as 5000 B.C. New ways of using the energy of the wind eventually spread around the world. By the 11th century, peo...