Part of that is probably because we’ve gotten so good at making them that they’re seen as cheap commodities, but the physics and engineering behind the screw thread is interesting stuff.

Many of us have heard the name Archimedes’ screw — but not everyone knows the term screw conveyor. These folks (sadly, the videographer at [Breeze Media] doesn’t tell us their names ...

The Helix flexible screw conveyor (photo) features a helicoid screw that rotates within a fixed tube to transport materials efficiently from one point to another. It supports horizontal conveying up ...