It’s amazing what some people will do when faced with a tall pole. Daniel Tasker, a program director with Amtrak, told a small group of residents and township officials gathered at the Radnor Township ...

A catenary is the curve that a free-hanging chain assumes under its own weight. It is a 'true mathematical and mechanical form' in architecture described by Robert Hooke in the 1670s. Catenaries are ...

THE curve to be given to an ideal linear chain or rib under unifomi-vertical-load area between itself and a horizontal straight line is well known to be a Transformed Catenary, having its ordinales in ...