The Archimedes screw, an ancient Greek invention for lifting water. Learn about its origins, how it works, and its modern ...

PNNL is helping Percheron evaluate using composite instead of steel to make screw-shaped turbines called Archimedes Hydrodynamic Screw turbines, which enable hydropower generation in small waterways.

Named for its inventor, the Greek mathematician Archimedes (237-212 BCE), the Archimedes screw is a device for raising water. Essentially, it is a large screw, open at both ends and encased lengthwise ...