The Origins of the Water Turbine
How did the water wheel evolve into the water turbine, the machine that converts a head of water into shaft power and provides a fourth of the world's electricity?
Stories by Norman Smith
Roman Hydraulic Technology
The achievements of the Romans in impounding, moving and delivering water on a large scale were not matched for 1,500 years. The aqueduct systems in particular embodied many remarkable feats of engineering...
