Consider, for example, the Archimedes screw: a simple contraption, consisting of a corkscrew inside of a cylinder, which is ...

The Impella device (Impella, Abiomed, Danvers, MA) is a percutaneous transvalvular microaxial flow pump based on the principle of a rotating Archimedes screw within a hollow pipe.

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Archimedes of Syracuse (287-212 BCE) ...

A simulation of the "aerial screw" designed by Leonardo da Vinci in 1480 suggests it would use less power than modern drone ...