The Panama Canal does not raise ships with cranes, it raises the water around them using lock chambers, sluices, and simple hydrostatics. This breaks down why the gates are angled, how lock staircases ...

Rehabilitation work has been completed at Lock Number 47, located on the Union Canal towpath between the Berks County Heritage Center and Reber’s Bridge in Bern Township. The work had begun in early ...

One human lifetime. That’s how long we’ve been debating whether the lock of the Industrial Canal should be widened — “we” meaning shipping interests, the U.S. Army Corps of Engineers and residents of ...