A rolling ball sculpture , or rolling ball machine] is a form of kinetic art – an art form that contains moving pieces – that specifically involves one or more rolling balls.
A version where marbles compete in a race to win is called a marble race.
Off-rolling or offrolling is the practice in the United Kingdom, of removing disadvantaged and struggling pupils from the school roll, before they take their final exams so their poor results...
The Metro-North Railroad is a commuter railroad serving northern suburbs of New York City. It principally uses a fleet of electric railcars for its services; diesel locomotives and push-pull coaches...
Structural shape rolling, also known as shape rolling and profile rolling, is the rolling and roll forming of structural shapes by passing them through a rolling mill to bend or...
A tandem rolling mill is a rolling mill with two or more close-coupled stands, where the reduction is achieved by the inter-stand tension and the compressive force between the work...
Sandlot ball or sandlot baseball is a competitive and athletic sports game that follows the basic rules and procedures of baseball. It is often less organized and structured, as a...
Ball back is a piece of terminology in both codes of rugby football. In both codes of rugby, if the ball enters touch, then play is restarted level with the...
Rolling admission is a policy used by many colleges to admit freshmen to undergraduate programs. Many law schools in the United States also have rolling admissions policies. Under rolling admission,...
