Patten (shoe) the nineteenth or even early 20th century. In appearance, they may resemble contemporary clogs or sandals, but though historical usage was apparently not always consistent, the term now is used only to describe protective overshoes worn over another pair of shoes. Pattens were worn during the Middle Ages outdoors and in public places over (outside) the thin soled shoes of that era. Pattens were worn by both men and women during the Middle Ages, and are especially seen in art from the 15th century: a time when poulaines, shoes with very long pointed toes, were particularly in fashion. Medieval pattens
Bucket argument Bucket argument Isaac Newton's rotating bucket argument (also known as Newton's bucket) was designed to demonstrate that true rotational motion cannot be defined as the relative rotation of the body with respect to the immediately surrounding bodies. It is one of five arguments from the "properties, causes, and effects" of "true motion and rest" that support his contention that, in general, true motion and rest cannot be defined as special instances of motion or rest relative to other bodies, but instead can be defined only by reference to absolute space. Alternatively, these experiments provide an operational definition of what is