Skate shoe Skate shoe Skate shoes or skateboard shoes are a type of footwear specifically designed and manufactured for use in skateboarding. While numerous non-skaters choose to wear skate shoes, the design of the skate shoe includes many features designed especially for use in skateboarding, including a vulcanized rubber or polyurethane sole with minimal tread pattern or no pattern, a composition leather or suede upper, and double or triple stitching to extend the life of the upper material. A low, padded tongue is often included for comfort. Skate shoe companies have integrated a number of special features into their shoes. These innovations
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